Jeffrey L. Krolik
Professor of Electrical and Computer Engineering
Jeffrey Krolik is Professor of Electrical and Computer Engineering at Duke University in Durham, NC. Canadian-born, he received his Ph.D. in Electrical Engineering from the University of Toronto in 1987. He began his academic career as an Assistant Professor of Electrical and Computer Engineering at Concordia University in Montreal. Interested in signal processing applications in the ocean sciences, he joined the Scripps Institution of Oceanography, University of California San Diego as an Assistant Research Scientist in 1990. At Scripps, he developed physics-based sensor array processing methods that exploit multi-path underwater acoustic propagation. Since coming to Duke in 1992, he has broadened his research interests to include statistical signal processing for surveillance radars and microwave remote sensing, active and passive sonar, and medical imaging. Some of his current projects include the development of aircraft height finding for over-the-horizon HF radar, through-the-sensor environmental monitoring of near-surface atmospheric conditions using a shipboard microwave radar, active sonar array shape estimation from reverberation, and functional magnetic resonance imaging algorithms which are robust to head motion. As a consultant, he has worked for the Office of Naval Research, the Defense Advanced Research Projects Agency (DARPA), the Air Force Rome Laboratories.
Current Research Interests
Physics-based and statistical signal processing, sensor array processing, radar and sonar systems, pervasive distributed processing
Current Appointments & Affiliations
- Professor of Electrical and Computer Engineering, Electrical and Computer Engineering, Pratt School of Engineering 2001
Contact Information
- 3465 CIEMAS, Durham, NC 27708
- Box 90291, Durham, NC 27708-0291
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jlk@duke.edu
(919) 660-5274
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http://www.ee.duke.edu/~jk/
- Background
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Education, Training, & Certifications
- Ph.D., University of Toronto (Canada) 1987
- M.A., University of Toronto (Canada) 1983
- B.A., University of Toronto (Canada) 1980
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Previous Appointments & Affiliations
- Associate Professor of Electrical Engineering, Electrical and Computer Engineering, Pratt School of Engineering 1996 - 2000
- Associate Professor of Electrical Engineering, Electrical and Computer Engineering, Pratt School of Engineering 1992 - 1996
- Recognition
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In the News
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MAY 13, 2021 Pratt School of Engineering -
JUN 18, 2013
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- Research
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Selected Grants
- AI Institute: Athena: AI-Driven Next-generation Networks at the Edge awarded by National Science Foundation 2021 - 2026
- NSF AI Institutes Leadership Summit and Virtual Organization Support awarded by University of California - Davis 2022 - 2024
- Enhanced Long-Range Maritime Vessel Classification awarded by RDR Tech 2022
- UAS Detection, Classification and Tracking with Millimeter-Wave MIMO Radar awarded by Toyon Research Corporation 2022
- Neural-Network Enhanced Radar Surveillance (NNERS) awarded by Defense Advanced Research Projects Agency 2020 - 2022
- Multi-Aperture Passive Sonar Array Calibration using Ocean Ambient Noise awarded by Office of Naval Research 2018 - 2021
- Non-Recurrent Wideband Continuous Active Sonar awarded by Office of Naval Research 2012 - 2014
- MIMO Radar Signal Processing in Complex Propagation Environments awarded by Office of Naval Research 2012 - 2013
- Active and Passive Acoustic Scatterer Discrimination in an Ocean Waveguide awarded by Office of Naval Research 2008 - 2011
- Multipath Space-Time Adaptive Radar Signal Processing awarded by Office of Naval Research 2008 - 2011
- Autonomous Wide Aperture Cluster for Surveillance (AWACS): Adaptive and Collaborative Signal Processing awarded by Office of Naval Research 2005 - 2010
- RF Time-Reversal Methods for Imaging & Detection awarded by Office of Naval Research 2006 - 2009
- Environmental Exploitation, System Optimization, Signal Processing, and CONOPS for Persistent Littoral Undersea Surveillance awarded by Office of Naval Research 2008 - 2009
- Adaptive Signal Processing for Advanced Over-the-Horizon HF Radars awarded by Office of Naval Research 2005 - 2008
- Wide-Band Multipath Depth Estimation and Partially Adaptive Space-Time Processing for Active Sonar awarded by Office of Naval Research 2004 - 2008
- To Support Distributed Microphone Array Testbed for Speaker Separation and Localization awarded by Lord Foundation of North Carolina 2007 - 2008
- Broadband Passive Sonar Detection by Time-Frequency Striation Processing awarded by Office of Naval Research 2005 - 2006
- Physics-Assisted Space-Time Adaptive Multipath Clutter Mitigation awarded by Office of Naval Research 2002 - 2006
- Dynamic Multipath Suppression of Endfire Interference with Towed Passive Sonar Arrays awarded by Office of Naval Research 2003 - 2005
- Entropy-based Adaptive Clutter Mitigation and Frequency-Hopped Altitude Estimation awarded by Naval Research Laboratory 2004 - 2005
- Efficient Representation of Oceanographic Uncertainty in Passive Sonar Performance Prediction awarded by Office of Naval Research 2001 - 2004
- Space-Time Adaptive Processing and Array Shape Estimation for Towed Active Sonar Arrays awarded by Office of Naval Research 2002 - 2004
- Signal Processing Development and Testing for ROTHR awarded by Office of Naval Research 2002 - 2003
- Clutter Mitigation for Multi-Static Over-the-Horizon HF Radar awarded by Office of Naval Research 2002
- Space-Time Matched-field Depth Discrimination for Active and Passive Sonar awarded by Office of Naval Research 2000 - 2002
- Electromagnetic Matched-field Processing for Over-the-Horizon Radar awarded by Office of Naval Research 1999 - 2002
- Multi-Ping Matched Field Depth Discrimination for Low Frequency Active Sonar awarded by Office of Naval Research 1998 - 2000
- Multi-ping Matched-field Depth Discrimination for Low Frequency Active Sonar awarded by Office of Naval Research 1998 - 2000
- Robust Electromagnetic Sensor Array Processing under Stochastic Propagation Conditions awarded by Office of Naval Research 1993 - 1998
- Tropospheric Refractivity Estimation Using Radar Clutter from the Sea Surface awarded by National Science Foundation 1994 - 1998
- Matched-field Localization in a Random Ocean Channel awarded by Office of Naval Research 1993 - 1996
- Matched-field Localization of Transient Sources in a Random Ocean Channel awarded by Office of Naval Research 1993 - 1996
- Matched-Field Source Location in a Random Ocean Channel awarded by Office of Naval Research 1993 - 1995
- Matched-field Source Localization in a Random Ocean Channel awarded by Office of Naval Research 1993 - 1995
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External Relationships
- Echodyne Corp
- STRAD Corporation
- Publications & Artistic Works
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Selected Publications
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Academic Articles
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Young, A. H., H. A. Harms, G. W. Hickman, J. S. Rogers, and J. L. Krolik. “Waveguide-Invariant-Based Ranging and Receiver Localization Using Tonal Sources of Opportunity.” Ieee Journal of Oceanic Engineering 45, no. 2 (April 1, 2020): 631–44. https://doi.org/10.1109/JOE.2018.2883855.Full Text
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Soli, J., G. Hickman, and J. Krolik. “Range-Velocity Estimation Bounds for Nonuniform Sonar Comb Signals.” Ieee Transactions on Aerospace and Electronic Systems 54, no. 6 (December 1, 2018): 2980–91. https://doi.org/10.1109/TAES.2018.2836558.Full Text
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Ramirez, J., and J. L. Krolik. “Synthetic aperture processing for passive co-prime linear sensor arrays.” Digital Signal Processing: A Review Journal 61 (February 1, 2017): 62–75. https://doi.org/10.1016/j.dsp.2016.07.021.Full Text
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Xu, C., A. Harms, and J. Krolik. “MIMO space-delay adaptive processing for wide-area indoor human motion classification.” Ieee Transactions on Aerospace and Electronic Systems 52, no. 3 (June 1, 2016): 1384–98. https://doi.org/10.1109/TAES.2016.150250.Full Text
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Cnaan-On, I., S. J. Thomas, J. L. Krolik, and M. S. Reynolds. “Multichannel Backscatter Communication and Ranging for Distributed Sensing With an FMCW Radar.” Ieee Transactions on Microwave Theory and Techniques 63, no. 7 (July 1, 2015): 2375–83. https://doi.org/10.1109/TMTT.2015.2439678.Full Text
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Odom, J. L., and J. L. Krolik. “Passive Towed Array Shape Estimation Using Heading and Acoustic Data.” Ieee Journal of Oceanic Engineering 40, no. 2 (April 1, 2015): 465–74. https://doi.org/10.1109/JOE.2014.2318531.Full Text
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Yu, J., and J. Krolik. “MIMO adaptive beamforming for nonseparable multipath clutter mitigation.” Ieee Transactions on Aerospace and Electronic Systems 50, no. 4 (October 1, 2014): 2604–18. https://doi.org/10.1109/TAES.2014.130451.Full Text
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Li, L., and J. L. Krolik. “Simultaneous target and multipath positioning.” Ieee Journal on Selected Topics in Signal Processing 8, no. 1 (February 1, 2014): 153–65. https://doi.org/10.1109/JSTSP.2013.2289949.Full Text
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Cnaan-On, I., S. J. Thomas, M. S. Reynolds, and J. L. Krolik. “Multichannel radar backscatter communication and localization.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, January 1, 2014, 76–80. https://doi.org/10.1109/ICASSP.2014.6853561.Full Text
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Harms, A., G. Hickman, M. Papazoglou, and J. Krolik. “Predicting the array gain of partially coherent planar HF arrays.” Ieee National Radar Conference Proceedings, January 1, 2014, 1456–59. https://doi.org/10.1109/RADAR.2014.6875830.Full Text
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Hickman, G., J. L. Krolik, and D. B. Kilfoyle. “Cramer-Rao bounds for HF source geolocation with a vector sensor array.” Ieee National Radar Conference Proceedings, January 1, 2014, 936–39. https://doi.org/10.1109/RADAR.2014.6875726.Full Text
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Ramirez, J., J. Odom, and J. Krolik. “Exploiting array motion for augmentation of co-prime arrays.” Proceedings of the Ieee Sensor Array and Multichannel Signal Processing Workshop, January 1, 2014, 525–28. https://doi.org/10.1109/SAM.2014.6882458.Full Text
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Xu, C., and J. Krolik. “MIMO RF probe for wide-area indoor human motion monitoring.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, January 1, 2014, 6047–51. https://doi.org/10.1109/ICASSP.2014.6854765.Full Text
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Odom, J. L., and J. L. Krolik. “Adaptive beamforming with augmentable arrays in non-stationary environments.” 2013 5th Ieee International Workshop on Computational Advances in Multi Sensor Adaptive Processing, Camsap 2013, December 1, 2013, 324–27. https://doi.org/10.1109/CAMSAP.2013.6714073.Full Text
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Yu, J., and J. Krolik. “Adaptive phase-array calibration using MIMO radar clutter.” Ieee National Radar Conference Proceedings, October 7, 2013. https://doi.org/10.1109/RADAR.2013.6586120.Full Text
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Odom, J. L., and J. Krolik. “Heading and hydrophone data fusion for towed array shape estimation.” Proceedings of Meetings on Acoustics 19 (June 19, 2013). https://doi.org/10.1121/1.4800390.Full Text
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Li, L., and J. L. Krolik. “Cramer-Rao performance bounds for simultaneous target and multipath positioning.” Conference Record Asilomar Conference on Signals, Systems and Computers, January 1, 2013, 2150–54. https://doi.org/10.1109/ACSSC.2013.6810689.Full Text
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Li, L., and J. L. Krolik. “Simultaneous Target and Multipath Positioning via multi-hypothesis single-cluster PHD filtering.” Conference Record Asilomar Conference on Signals, Systems and Computers, January 1, 2013, 461–65. https://doi.org/10.1109/ACSSC.2013.6810319.Full Text
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Odom, Jonathan L., Jeffrey L. Krolik, and Jeffrey S. Rogers. “Maximum-likelihood spatial spectrum estimation in dynamic environments with a short maneuverable array.” The Journal of the Acoustical Society of America 133, no. 1 (January 2013): 311–22. https://doi.org/10.1121/1.4770233.Full Text
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Li, L., and J. L. Krolik. “Simultaneous target and multipath positioning with MIMO radar.” Iet Conference Publications 2012, no. 603 CP (December 1, 2012). https://doi.org/10.1049/cp.2012.1585.Full Text
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Yu, J., M. Reynolds, and J. Krolik. “Adaptive baseband interference suppression in multi-channel heterodyne radar receivers.” Iet Conference Publications 2012, no. 603 CP (December 1, 2012). https://doi.org/10.1049/cp.2012.1584.Full Text
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Yu, J., and J. Krolik. “MIMO multipath clutter mitigation for GMTI automotive radar in urban environments.” Iet Conference Publications 2012, no. 603 CP (December 1, 2012). https://doi.org/10.1049/cp.2012.1565.Full Text
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Odom, J. L., and J. L. Krolik. “Broadband field directionality mapping with spatially-aliased arrays.” Proceedings of the Ieee Sensor Array and Multichannel Signal Processing Workshop, October 12, 2012, 449–52. https://doi.org/10.1109/SAM.2012.6250535.Full Text
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Li, L., and J. L. Krolik. “Target tracking in uncertain multipath environments using Viterbi data association.” Fusion 2011 14th International Conference on Information Fusion, September 13, 2011.
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Li, L., and J. L. Krolik. “Vehicular MIMO SAR imaging in multipath environments.” Ieee National Radar Conference Proceedings, September 12, 2011, 989–94. https://doi.org/10.1109/RADAR.2011.5960684.Full Text
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Lee, W. W., and J. L. Krolik. “Space-time adaptive processing for range-folded spread-Doppler radar clutter mitigation.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, August 18, 2011, 2772–75. https://doi.org/10.1109/ICASSP.2011.5947059.Full Text
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Goldhahn, Ryan, Granger Hickman, and Jeffrey Krolik. “A waveguide invariant adaptive matched filter for active sonar target depth classification.” The Journal of the Acoustical Society of America 129, no. 4 (April 2011): 1813–24. https://doi.org/10.1121/1.3557041.Full Text
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Hickman, G., and J. L. Krolik. “MIMO GMTI radar with multipath clutter suppression.” 2010 Ieee Sensor Array and Multichannel Signal Processing Workshop, Sam 2010, December 20, 2010, 65–68. https://doi.org/10.1109/SAM.2010.5606764.Full Text
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Rogers, J. S., and J. L. Krolik. “An online method for time-varying spatial spectrum estimation using a towed acoustic array.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2010, 1837–41. https://doi.org/10.1109/ACSSC.2010.5757894.Full Text
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Rogers, Jeffrey S., and Jeffrey L. Krolik. “Time-varying spatial spectrum estimation with a maneuverable towed array.” The Journal of the Acoustical Society of America 128, no. 6 (December 2010): 3543–53. https://doi.org/10.1121/1.3505121.Full Text
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Yu, J., and J. Krolik. “Quadrature slow-time MIMO radar with experimental results.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2010, 2134–37. https://doi.org/10.1109/ACSSC.2010.5757927.Full Text
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Li, L., J. Yu, and J. Krolik. “Software-defined calibration for FMCW phased-array radar.” Ieee National Radar Conference Proceedings, July 30, 2010, 877–81. https://doi.org/10.1109/RADAR.2010.5494498.Full Text
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Yu, J., M. Reynolds, and J. Krolik. “An indoor s-band radar receive array testbed.” Ieee National Radar Conference Proceedings, July 30, 2010, 712–17. https://doi.org/10.1109/RADAR.2010.5494528.Full Text
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Hickman, G., and J. L. Krolik. “MIMO field directionality estimation using orientation-diverse linear arrays.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2009, 146–50. https://doi.org/10.1109/ACSSC.2009.5470146.Full Text
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Yu, J., and J. Krolik. “Multiband chirp synthesis for frequency-hopped FMCW radar.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2009, 1315–19. https://doi.org/10.1109/ACSSC.2009.5469920.Full Text
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Mecca, V. F., and J. L. Krolik. “MIMO enabled multipath clutter rank estimation.” Ieee National Radar Conference Proceedings, September 11, 2009. https://doi.org/10.1109/RADAR.2009.4977137.Full Text
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Ramakrishnan, D., and J. Krolik. “Adaptive radar detection in doubly nonstationary autoregressive doppler spread clutter.” Ieee Transactions on Aerospace and Electronic Systems 45, no. 2 (July 20, 2009): 484–501. https://doi.org/10.1109/TAES.2009.5089536.Full Text
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Hickman, G., and J. L. Krolik. “A graph-theoretic approach to constrained floor plan estimation from radar measurements.” Ieee Transactions on Signal Processing 57, no. 5 (May 25, 2009): 1877–88. https://doi.org/10.1109/TSP.2009.2014815.Full Text
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Michaels, J. E., J. S. Hall, G. Hickman, and J. Krolik. “Sparse array imaging of change-detected ultrasonic signals by minimum variance processing.” Aip Conference Proceedings 1096 (May 12, 2009): 642–49. https://doi.org/10.1063/1.3114316.Full Text
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Krolik, J., V. Mecca, O. Kazanci, and I. Bilik. “Multipath spread-Doppler clutter mitigation for over-the-horizon radar.” 2008 Ieee Radar Conference, Radar 2008, December 1, 2008. https://doi.org/10.1109/RADAR.2008.4720844.Full Text
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Mecca, V. F., and J. L. Krolik. “MIMO STAP clutter mitigation performance demonstration using acoustic arrays.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2008, 634–38. https://doi.org/10.1109/ACSSC.2008.5074483.Full Text
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Rogers, J. S., and J. L. Krolik. “Passive broadband source localization in shallow-water multipath acoustic channels.” Oceans 2008, December 1, 2008. https://doi.org/10.1109/OCEANS.2008.5152051.Full Text
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Tao, H., G. Hickman, and J. Krolik. “Field directionality synthesis from multiple array orientations: A least squares approach.” Oceans 2008, December 1, 2008. https://doi.org/10.1109/OCEANS.2008.5151984.Full Text
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Goldhahn, Ryan, Granger Hickman, and Jeffrey Krolik. “Waveguide invariant broadband target detection and reverberation estimation.” The Journal of the Acoustical Society of America 124, no. 5 (November 2008): 2841–51. https://doi.org/10.1121/1.2980519.Full Text
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Bilik, I., O. Kazanci, and J. Krolik. “Radar clutter mitigation via space-time wavefront adaptive sensing.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, September 16, 2008, 2589–92. https://doi.org/10.1109/ICASSP.2008.4518178.Full Text
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Mecca, V. F., J. L. Krolik, and F. C. Robey. “Beamspace slow-time MIMO radar for multipath clutter mitigation.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, September 16, 2008, 2313–16. https://doi.org/10.1109/ICASSP.2008.4518109.Full Text
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Mecca, V. F., J. L. Krolik, F. C. Robey, and D. Ramakrishnan. “Slow-Time MIMO SpaceTime Adaptive Processing,” March 11, 2008, 283–318. https://doi.org/10.1002/9780470391488.ch7.Full Text
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Tao, Hailiang, and Jeffrey L. Krolik. “Waveguide invariant focusing for broadband beamforming in an oceanic waveguide.” The Journal of the Acoustical Society of America 123, no. 3 (March 2008): 1338–46. https://doi.org/10.1121/1.2832335.Full Text
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Bilik, I., O. Kazanci, and J. Krolik. “Wavefront adaptive sensing for radar spread clutter mitigation.” 2007 2nd Ieee International Workshop on Computational Advances in Multi Sensor Adaptive Processing, Campsap, December 1, 2007, 185–88. https://doi.org/10.1109/CAMSAP.2007.4497996.Full Text
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Kazanci, O., I. Bilik, and J. Krolik. “Wavefront adaptive raymode processing for over-the-horizon HF radar clutter mitigation.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2007, 2191–94. https://doi.org/10.1109/ACSSC.2007.4487629.Full Text
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Krolik, J. L., and G. Hickman. “A graph-theoretic approach for constraining floor plan estimation from radar measurements.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2007, 2228–34. https://doi.org/10.1109/ACSSC.2007.4487637.Full Text
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Mecca, V. F., and J. L. Krolik. “Slow-time MIMO STAP with improved power efficiency.” Conference Record Asilomar Conference on Signals, Systems and Computers, December 1, 2007, 202–6. https://doi.org/10.1109/ACSSC.2007.4487195.Full Text
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Smith, S. M., J. Krolik, and I. Bilik. “Theoretical passive sonar performance of a cluster of UUV towed line arrays employing orientation diversity.” Oceans Conference Record (Ieee), December 1, 2007. https://doi.org/10.1109/OCEANS.2007.4449190.Full Text
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Goldhahn, R., G. Hickman, and J. L. Krolik. “Waveguide invariant reverberation mitigation for active sonar.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 2 (August 6, 2007). https://doi.org/10.1109/ICASSP.2007.366392.Full Text
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Tao, H., and J. L. Krolik. “Waveguide invariant focusing for broadband adaptive beamforming in a shallow water channel.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 2 (August 6, 2007). https://doi.org/10.1109/ICASSP.2007.366402.Full Text
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Liu, D., J. Krolik, and L. Carin. “Electromagnetic Target Detection in Uncertain Media: Time-Reversal and Minimum-Variance Algorithms.” Ieee Transactions on Geoscience and Remote Sensing 45, no. 4 (April 7, 2007): 934–44. https://doi.org/10.1109/TGRS.2006.890411.Full Text
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Liu, D., S. Vasudevan, J. Krolik, G. Bal, and L. Carin. “Electromagnetic time-reversal source localization in changing media: Experiment and analysis.” Ieee Transactions on Antennas and Propagation 55, no. 2 (February 1, 2007): 344–54. https://doi.org/10.1109/TAP.2006.889807.Full Text
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Bilik, I., and J. Krolik. “Comparative theoretical performance of maneuverable unmanned vehicles versus conventional towed-arrays for passive sonar.” Oceans 2007 Europe, January 1, 2007. https://doi.org/10.1109/oceanse.2007.4302319.Full Text
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Rogers, J. S., and J. L. Krolik. “A study of active sonar reverberation using ultrasonic experiments in a shallow-water tank.” Oceans 2007 Europe, January 1, 2007. https://doi.org/10.1109/oceanse.2007.4302358.Full Text
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Tao, H., G. Hickman, J. L. Krolik, and M. Kemp. “Single hydrophone passive localization of transiting acoustic sources.” Oceans 2007 Europe, January 1, 2007. https://doi.org/10.1109/oceanse.2007.4302377.Full Text
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Hickman, G., and J. Krolik. “Adaptive collaborative array trajectories for optimum passive detection.” Oceans 2006, December 1, 2006. https://doi.org/10.1109/OCEANS.2006.306888.Full Text
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Kazanci, O. R., and J. L. Krolik. “Single-snapshot beamformer performance using large arrays with faulty sensors.” 2006 Ieee Sensor Array and Multichannel Signal Processing Workshop Proceedings, Sam 2006, December 1, 2006, 6–10. https://doi.org/10.1109/SAM.2006.1677146.Full Text
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Krolik, J. L., J. Farrell, and A. Steinhardt. “Exploiting multipath propagation for GMTI in urban environments.” Ieee National Radar Conference Proceedings, December 1, 2006, 65–68. https://doi.org/10.1109/RADAR.2006.1631777.Full Text
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Mecca, V. F., D. Ramakrishnan, and J. L. Krolik. “MIMO radar space-time adaptive processing for multipath clutter mitigation.” 2006 Ieee Sensor Array and Multichannel Signal Processing Workshop Proceedings, Sam 2006, December 1, 2006, 249–53. https://doi.org/10.1109/SAM.2006.1677197.Full Text
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Ramakrishnan, D., and J. Krolik. “Target detection in abruptly non-stationary Doppler-spread clutter.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 3 (December 1, 2006).
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Smith, S. M., and J. Krolik. “Orientation diversity for an autonomous underwater vehicle cluster.” Oceans 2006, December 1, 2006. https://doi.org/10.1109/OCEANS.2006.306974.Full Text
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Krolik, J. L., J. Farrell, and A. Steinhardt. “Exploiting multipath propagation for GMTI in urban environments.” Cie International Conference of Radar Proceedings 2006 (November 21, 2006): 65–68.
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Liao, Rui, Martin J. McKeown, and Jeffrey L. Krolik. “Isolation and minimization of head motion-induced signal variations in fMRI data using independent component analysis.” Magnetic Resonance in Medicine 55, no. 6 (June 2006): 1396–1413. https://doi.org/10.1002/mrm.20893.Full Text
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Varadarajan, V., and J. L. Krolik. “Joint space-time interpolation for distorted linear and bistatic array geometries.” Ieee Transactions on Signal Processing 54, no. 3 (March 1, 2006): 848–60. https://doi.org/10.1109/TSP.2005.862941.Full Text
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Kazanci, O. R., and J. L. Krolik. “Beamspace adaptive channel compensation for sensor arrays with faulty elements.” Conference Record Asilomar Conference on Signals, Systems and Computers 2005 (December 1, 2005): 1316–19.
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Liao, R., M. McKeown, and J. Krolik. “Improved motion correction of fMRI time-series corrupted with major head movement using extended motion-corrected independent component analysis.” Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 3765 LNCS (December 1, 2005): 346–55. https://doi.org/10.1007/11569541_35.Full Text
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Tao, H., and J. Krolik. “Robust range-rate estimation of passive narrowband sources in shallow water.” Conference Record Asilomar Conference on Signals, Systems and Computers 2005 (December 1, 2005): 1302–5.
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Hickman, G., and J. Krolik. “Multipath delay estimation using the magnitude spectrum.” Ieee Workshop on Statistical Signal Processing Proceedings 2005 (January 1, 2005): 663–68. https://doi.org/10.1109/ssp.2005.1628677.Full Text
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Hickman, G., and J. Krolik. “Wide-band target depth estimation in a scattering ocean environment.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings IV (January 1, 2005): 1077–80. https://doi.org/10.1109/ICASSP.2005.1416199.Full Text
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Liao, Rui, Jeffrey L. Krolik, and Martin J. McKeown. “An information-theoretic criterion for intrasubject alignment of FMRI time series: motion corrected independent component analysis.” Ieee Transactions on Medical Imaging 24, no. 1 (January 2005): 29–44. https://doi.org/10.1109/tmi.2004.837791.Full Text
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Liu, D., G. Kang, L. Li, Y. Chen, S. Vasudevan, W. Joines, Q. H. Liu, J. Krolik, and L. Carin. “Electromagnetic time-reversal imaging of a target in a cluttered environment.” Ieee Transactions on Antennas and Propagation 53, no. 9 (2005): 3058–66. https://doi.org/10.1109/TAP.2005.854563.Full Text
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Varadarajan, V., and J. Krolik. “Target detection using dynamically reconfigurable sensor arrays.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings IV (January 1, 2005). https://doi.org/10.1109/ICASSP.2005.1416182.Full Text
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Krolik, J. L., P. Book, and S. Kraut. “Adaptive sonar detection performance when the signal wavefront and noise covariance are uncertain.” 2004 Sensor Array and Multichannel Signal Processing Workshop, December 1, 2004, 235–38.
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Liao, R., M. J. McKeown, and J. L. Krolik. “Isolation and minimization of effects of motion on fMRI using multiple reference images.” 2004 2nd Ieee International Symposium on Biomedical Imaging: Macro to Nano 1 (December 1, 2004): 916–19.
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Varadarajan, V., and J. Krolik. “Model-based space-time adaptive processing for active sonar.” Conference Record Asilomar Conference on Signals, Systems and Computers 2 (December 1, 2004): 1431–35.
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Liao, R., M. J. McKeown, and J. L. Krolik. “Motion-corrected independent component analysis for robust functional magnetic resonance imaging.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 2 (October 7, 2004).
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Varadarajan, V., and J. Krolik. “Array shape estimation and tracking using active sonar reverberation.” Ieee Transactions on Aerospace and Electronic Systems 40, no. 3 (July 1, 2004): 1073–86. https://doi.org/10.1109/TAES.2004.1337475.Full Text
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Hickman, Granger, and Jeffrey L. Krolik. “Matched-field depth estimation for active sonar.” The Journal of the Acoustical Society of America 115, no. 2 (February 2004): 620–29. https://doi.org/10.1121/1.1634277.Full Text
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Kraut, S., R. H. Anderson, and J. L. Krolik. “A Generalized Karhunen-Loeve Basis for Efficient Estimation of Tropospheric Refractivity Using Radar Clutter.” Ieee Transactions on Signal Processing 52, no. 1 (January 1, 2004): 48–60. https://doi.org/10.1109/TSP.2003.820297.Full Text
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Gadwal, V., and J. Krolik. “A performance evaluation of autoregressive clutter mitigation methods for over-the-horizon radar.” Conference Record of the Asilomar Conference on Signals, Systems and Computers 1 (December 1, 2003): 937–41.
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Kraut, S., and J. Krolik. “Passive source localization in the presence of near-endfire interference.” Conference Record of the Asilomar Conference on Signals, Systems and Computers 1 (December 1, 2003): 760–64.
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Varadarajan, V., and J. Krolik. “Joint space-time interpolation for bistatic STAP.” Conference Record of the Asilomar Conference on Signals, Systems and Computers 1 (December 1, 2003): 60–65.
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Anderson, R. H., S. Kraut, and J. L. Krolik. “Robust altitude estimation for over-the-horizon radar using a state-space multipath fading model.” Ieee Transactions on Aerospace and Electronic Systems 39, no. 1 (January 1, 2003): 192–201. https://doi.org/10.1109/TAES.2003.1188903.Full Text
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Gerstoft, Peter, L Ted Rogers, Jeffrey L. Krolik, and William S. Hodgkiss. “Inversion for refractivity parameters from radar sea clutter.” Radio Science 38, no. 3 (2003). https://doi.org/10.1029/2002RS002640.Full Text Link to Item
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Varadarajan, V., and J. L. Krolik. “Space-time interpolation for adaptive arrays with limited training data.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 5 (January 1, 2003): 353–56.
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Anderson, R. H., and J. L. Krolik. “Track association for over-the-horizon radar with a statistical ionospheric model.” Ieee Transactions on Signal Processing 50, no. 11 (November 1, 2002): 2632–43. https://doi.org/10.1109/TSP.2002.804099.Full Text
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Tantum, Stacy L., Loren W. Nolte, Jeffrey L. Krolik, and Kerem Harmanci. “The performance of matched-field track-before-detect methods using shallow-water Pacific data.” The Journal of the Acoustical Society of America 112, no. 1 (July 2002): 119–27. https://doi.org/10.1121/1.1489435.Full Text
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Kraut, S., and J. Krolik. “Passive localization in range-rate of shallow-water moving targets, by sequential importance sampling.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 3 (January 1, 2002). https://doi.org/10.1109/icassp.2002.5745249.Full Text
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Vasudevan, S., R. Anderson, and J. L. Krolik. “MAP sequence estimation of microwave refractivity from radar clutter via a particle filtering implementation of the viterbi algorithm.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 3 (January 1, 2002). https://doi.org/10.1109/icassp.2002.5745247.Full Text
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Pentericci, L., Xiaohui Fan, H. -. W. Rix, M. A. Strauss, V. K. Narayanan, G. T. Richards, D. P. Schneider, et al. “VLT optical and near-infrared observations of the z=6.28 quasar SDSS J1030+0524.” Astron. J. (Usa) 123, no. 5 (2002): 2151–58. https://doi.org/10.1086/340077.Full Text Link to Item
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Stoughton, C., R. H. Lupton, M. Bernardi, M. R. Blanton, S. Burles, F. J. Castander, A. J. Connolly, et al. “Sloan Digital Sky Survey: early data release.” Astron. J. (Usa) 123, no. 1 (2002): 485–548. https://doi.org/10.1086/324741.Full Text Link to Item
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Anderson, R., S. Vasudevan, J. L. Krolik, and L. T. Rogers. “Maximum A posteriori refractivity estimation from radar clutter using a Markov model for microwave propagation.” International Geoscience and Remote Sensing Symposium (Igarss) 2 (December 1, 2001): 906–9.
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Varadarajan, V., and J. L. Krolik. “Multichannel system identification methods for sensor array calibration in uncertain multipath environments.” Ieee Workshop on Statistical Signal Processing Proceedings, December 1, 2001, 297–300.
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Anderson, R. H., S. Kraut, and J. L. Krolik. “Robust altitude estimation for over-the-horizon radar using a state-space model for multipath fading.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 5 (January 1, 2001): 2901–4.
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Menou, K., D. E. Vanden Berk, Z. Ivezic, R. S. J. Kim, G. R. Knapp, G. T. Richards, I. Strateva, et al. “Broad absorption line quasars in the Sloan Digital Sky Survey with VLA FIRST radio detections.” Astrophys. J. (Usa) 561, no. 2 (2001): 645–52. https://doi.org/10.1086/323218.Full Text Link to Item
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Vasudevan, S., and J. L. Krolik. “Refractivity estimation from radar clutter by sequential importance sampling with a Markov model for microwave propagation.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 5 (January 1, 2001): 2905–8.
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Kraut, S., and J. Krolik. “Application of maximal invariance to the ACE detection problem.” Conference Record of the Asilomar Conference on Signals, Systems and Computers 1 (December 1, 2000): 417–20.
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Harmanci, K., J. Tabrikian, and J. L. Krolik. “Relationships between adaptive minimum variance beamforming and optimal source localization.” Ieee Transactions on Signal Processing 48, no. 1 (January 1, 2000): 1–12. https://doi.org/10.1109/78.815474.Full Text
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Harmanci, K., and J. Krolik. “Adaptive temporal processing for equatorial spread Doppler clutter suppression.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 5 (January 1, 2000): 3041–44. https://doi.org/10.1109/ICASSP.2000.861176.Full Text
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Kraut, S., and J. Krolik. “Optimal subspace selection for non-linear parameter estimation applied to refractivity from clutter.” Ieee Signal Processing Workshop on Statistical Signal and Array Processing, Ssap, January 1, 2000, 113–17.
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Edelson, R., A. Koratkar, K. Nandra, M. Goad, B. M. Peterson, S. Collier, J. Krolik, et al. “Intensive HST, RXTE, and ASCA monitoring of NGC 3516: evidence against thermal reprocessing.” Astrophys. J. (Usa) 534, no. 1 (2000): 180–88. https://doi.org/10.1086/308752.Full Text Link to Item
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Krolik, J. L., J. Tabrikian, S. Vasudevan, and L. T. Rogers. “Using radar sea clutter to estimate refractivity profiles associated with the capping inversion of the marine atmospheric boundary layer.” International Geoscience and Remote Sensing Symposium (Igarss) 1 (December 1, 1999): 649–51.
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Rogers, L. T., C. P. Hattan, and J. L. Krolik. “Using radar sea echo to estimate surface layer refractivity profiles.” International Geoscience and Remote Sensing Symposium (Igarss) 1 (December 1, 1999): 658–62.
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Tabrikian, J., and J. L. Krolik. “Barankin bounds for source localization in an uncertain ocean environment.” Ieee Transactions on Signal Processing 47, no. 11 (December 1, 1999): 2917–27. https://doi.org/10.1109/78.796428.Full Text
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Tabrikian, J., and J. L. Krolik. “Theoretical performance limits on tropospheric refractivity estimation using point-to-point microwave measurements.” Ieee Transactions on Antennas and Propagation 47, no. 11 (November 1, 1999): 1727–34. https://doi.org/10.1109/8.814953.Full Text
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Papazoglou, M., and J. L. Krolik. “Matched-field estimation of aircraft altitude from multiple over-the-horizon radar revisits.” Ieee Transactions on Signal Processing 47, no. 4 (April 1, 1999): 966–76. https://doi.org/10.1109/78.752595.Full Text
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Anderson, R., and J. Krolik. “Multipath track association for over-The-horizon radar using a bootstrapped statistical ionospheric model.” Conference Record of the 33rd Asilomar Conference on Signals, Systems, and Computers 1 (January 1, 1999): 8–14. https://doi.org/10.1109/ACSSC.1999.832287.Full Text
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Harmanci, K., and J. Krolik. “Matched window processing for mitigating over-the-horizon radar spread Doppler clutter.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 5 (January 1, 1999): 2789–92. https://doi.org/10.1109/icassp.1999.761325.Full Text
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Tabrikian, J., and J. L. Krolik. “Efficient computation of the Bayesian Cramer-Rao bound on estimating parameters of Markov models.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 3 (January 1, 1999): 1761–64.
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Agol, E., and J. Krolik. “Imaging a quasar accretion disk with microlensing.” Astrophys. J. (Usa) 524, no. 1 (1999): 49–64. https://doi.org/10.1086/307800.Full Text Link to Item
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Hurt, T., R. Antonucci, R. Cohen, A. Kinney, and J. Krolik. “Ultraviolet imaging polarimetry of narrow-line radio galaxies.” Astrophys. J. (Usa) 514, no. 2 (1999): 579–86. https://doi.org/10.1086/306959.Full Text Link to Item
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Gelenbe, E., K. Harmanci, and J. Krolik. “Learning neural networks for detection and classification of synchronous recurrent transient signals.” Signal Processing 64, no. 3 (February 26, 1998): 233–47. https://doi.org/10.1016/S0165-1684(97)00193-X.Full Text
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Anderson, R. H., and J. L. Krolik. “Over-the-horizon radar target localization using a hidden Markov model estimated from ionosonde data.” Radio Science 33, no. 4 (January 1, 1998): 1199–1213. https://doi.org/10.1029/98RS00476.Full Text
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Anderson, R. H., and J. L. Krolik. “The performance of maximum likelihood over-the-horizon radar coordinate registration.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 4 (January 1, 1998): 2481–84. https://doi.org/10.1109/ICASSP.1998.681654.Full Text
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Papazoglou, M., and J. L. Krolik. “Multi-dwell matched-field altitude estimation for over-the-horizon radar.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 4 (January 1, 1998): 2533–36. https://doi.org/10.1109/ICASSP.1998.681667.Full Text
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Agol, E., and J. Krolik. “Photon damping of waves in accretion disks.” Astrophys. J. (Usa) 507, no. 1 (1998): 304–15. https://doi.org/10.1086/306332.Full Text Link to Item
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Krolik, J. L. “Maximum likelihood coordinate registration for over-the-horizon radar.” Ieee Transactions on Signal Processing 45, no. 4 (December 1, 1997): 945–59. https://doi.org/10.1109/78.564183.Full Text
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Czenszak, S. P., and J. L. Krolik. “Robust wideband matched-field processing with a short vertical array.” Journal of the Acoustical Society of America 101, no. 2 (February 1, 1997): 749–59. https://doi.org/10.1121/1.417958.Full Text
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Harmanci, K., and J. L. Krolik. “Robust beamformer weight design for broadband matched-field processing.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 1 (January 1, 1997): 471–74.
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Papazoglou, M., and J. L. Krolik. “Electromagnetic matched-field processing for target height finding with over-the-horizon radar.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 1 (January 1, 1997): 559–62.
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Tabrikian, J., J. L. Krolik, and H. Messer. “Robust maximum-likelihood source localization in an uncertain shallow- water waveguide.” Journal of the Acoustical Society of America 101, no. 1 (January 1, 1997): 241–49. https://doi.org/10.1121/1.417996.Full Text
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Tabrikian, J., and J. L. Krolik. “Barankin bound for source localization in shallow water.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 1 (January 1, 1997): 499–502.
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Heckman, T. M., R. Gonzalez Delgado, C. Leitherer, G. R. Meurer, J. Krolik, A. S. Wilson, A. Koratkar, and A. Kinney. “A powerful nuclear starburst in the Seyfert galaxy Markarian 477: implications for the starburst-active galactic nucleus connection.” Astrophys. J. (Usa) 482, no. 1 (1997): 114–32. https://doi.org/10.1086/304139.Full Text Link to Item
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Mahadevan, R., R. Narayan, and J. Krolik. “Gamma-Ray Emission From Advection-Dominated Accretion Flows Around Black Holes: Application to the Galactic Center.” Astrophysical Journal 486, no. 1 (1997): 268. https://doi.org/10.1086/304499.Full Text Link to Item
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Krolik, J. L. “The performance of matched-field beamformers with mediterranean vertical array data.” Ieee Transactions on Signal Processing 44, no. 10 (December 1, 1996): 2605–11. https://doi.org/10.1109/78.539043.Full Text
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Krolik, J. L. “The Performance of Matched-Field Beanformers with Mediterranean Vertical Array Data.” Ieee Transactions on Signal Processing 44, no. 5 (December 1, 1996): 1320.
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Krolik, J. L. “Robust matched-field beamforming with benchmark shallow-water acoustic array data.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 2 (January 1, 1996): 1185–88.
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Krolik, J. L., and S. Narasimhan. “Performance bounds on acoustic thermometry of ocean climate in the presence of mesoscale sound-speed variability.” Journal of the Acoustical Society of America 99, no. 1 (January 1, 1996): 254–65. https://doi.org/10.1121/1.414536.Full Text
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Papazoglou, M., and J. L. Krolik. “High resolution adaptive beamforming for three-dimensional acoustic imaging of zooplankton.” Journal of the Acoustical Society of America 100, no. 6 (January 1, 1996): 3621–30. https://doi.org/10.1121/1.417225.Full Text
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Tabrikian, J., J. L. Krolik, and H. Messer. “Robust maximum likelihood source localization by exploiting predictable acoustic modes.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 6 (January 1, 1996): 3089–91.
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Lasota, J. P., M. A. Abramowicz, X. Chen, and J. Krolik. “Is the Accretion Flow in NGC 4258 Advection Dominated?” Astrophysical Journal 462, no. 1 (1996): 142.
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Heckman, T., J. Krolik, G. Meurer, D. Calzetti, A. Kinney, A. Koratkar, C. Leitherer, C. Robert, and A. Wilson. “The nature of the ultraviolet continuum in type 2 Seyfert galaxies.” Astrophys. J. (Usa) 452, no. 2 (1995): 549–64.
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Krolik, J. L., and S. Narasimhan. “Cramer-rao bound on acoustic measurement of ocean climate change in the presence of mesoscale sound-speed variability.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 5 (January 1, 1995): 2771–74.
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Narasimhan, S., and J. L. Krolik. “Fundamental limits on acoustic source range estimation performance in uncertain ocean channels.” Journal of the Acoustical Society of America 97, no. 1 (January 1, 1995): 215–26. https://doi.org/10.1121/1.412306.Full Text
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Edelson, R., J. Krolik, G. Madejski, L. Maraschi, G. Pike, C. M. Urry, W. Brinkmann, et al. “Multiwavelength monitoring of the BL Lacertae object PKS 2155-304. IV. Multiwavelength analysis.” Astrophys. J. (Usa) 438, no. 1 (1995): 120–34. https://doi.org/10.1086/175059.Full Text Link to Item
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LIU, J. Y., and J. L. KROLIK. “THE SPATIAL CORRELATION OF ROUGH SEABED SCATTERING OF SURFACE-GENERATED AMBIENT NOISE (VOL 96, PG 2876, 1994).” Journal of the Acoustical Society of America 97, no. 5 (1995): 3198–3198. https://doi.org/10.1121/1.413088.Full Text Link to Item
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Jin-Yuan, L., and J. L. Krolik. “The Spatial Correlation Of Rough Seabed Scattering Of Surface-Generated Ambient Noise.” Journal of the Acoustical Society of America 96, no. 5 (January 1, 1994): 2876–86. https://doi.org/10.1121/1.411297.Full Text
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Krolik, J. L. “Sensor array processing performance evaluation via bootstrap resampling.” Journal of the Acoustical Society of America 95, no. 2 (January 1, 1994): 798–804. https://doi.org/10.1121/1.408390.Full Text
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Krolik, J. L., and D. N. Swingler. “On the Mean-Square Error Performance of Adaptive Minimum Variance Beamformers Based on the Sample Covariance Matrix.” Ieee Transactions on Signal Processing 42, no. 2 (January 1, 1994): 445–48. https://doi.org/10.1109/78.275625.Full Text
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Liu, J. Y., and J. L. Krolik. “Spatial correlation of rough seabed scattering of surface-generated ambient noise.” Journal of the Acoustical Society of America 96, no. 5 pt 1 (1994): 2876.
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Niezgoda, G. H., and J. L. Krolik. “A Multiple Time Scale Modularized Adaptive Beamformer.” Ieee Transactions on Signal Processing 42, no. 5 (January 1, 1994): 1251–56. https://doi.org/10.1109/78.295189.Full Text
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Pier, E. A., R. Antonucci, T. Hurt, G. Kriss, and J. Krolik. “The intrinsic nuclear spectrum of NGC 1068.” Astrophys. J. (Usa) 428, no. 1 (1994): 124–29. https://doi.org/10.1086/174225.Full Text Link to Item
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Krolik, J., C. Done, and G. Madejski. “X-ray light curves of active galactic nuclei are phase incoherent.” Astrophys. J. (Usa) 402, no. 2 (1993): 432–40. https://doi.org/10.1086/172148.Full Text Link to Item
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Urry, C. M., L. Maraschi, R. Edelson, A. Koratkar, J. Krolik, G. Madejski, E. Pian, et al. “Multiwavelength monitoring of the BL Lacertae object PKS 2155-304. I. The IUE campaign.” Astrophys. J. (Usa) 411, no. 2 (1993): 614–31. https://doi.org/10.1086/172864.Full Text Link to Item
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Krolik, J. L. “Matched-field minimum variance beamforming in a random ocean channel.” Journal of the Acoustical Society of America 92, no. 3 (October 14, 1992): 1408–19. https://doi.org/10.1121/1.403935.Full Text
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Krolik, J., and D. Swingler. “Cross-talk artifacts in spatial spectrum estimation with a sensor array.” Journal of the Acoustical Society of America 92, no. 1 (January 1, 1992): 238–43. https://doi.org/10.1121/1.404287.Full Text
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Krolik, J. L., and W. S. Hodgkiss. “Matched field source localization in an uncertain environment using constraints based on sound-speed perturbations.” Oceans Conference Record (Ieee) 2 (December 1, 1991): 771–78.
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Niezgoda, G. H., J. Krolik, and E. Plotkin. “Broadband source localization in a slowly time-varying environment by multichannel Kalman filtering.” Ieee Pacific Rim Conference on Communications, Computers and Signal Processing. Conference Proceedings, December 1, 1991, 787–90.
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Krolik, J., G. Niezgoda, and D. Swingler. “A bootstrap approach for evaluating source localization performance on real sensor array data.” Proceedings Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing 2 (January 1, 1991): 1281–84. https://doi.org/10.1109/icassp.1991.150632.Full Text
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Krolik, J., and D. Swingler. “The Performance of Minimax Spatial Resampling Filters for Focusing Wide-Band Arrays.” Ieee Transactions on Signal Processing 39, no. 8 (January 1, 1991): 1899–1903. https://doi.org/10.1109/78.91162.Full Text
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Niezgoda, G. H., and J. Krolik. “The application of adaptive multichannel spectral estimation for broadband array processing.” Proceedings Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing 2 (January 1, 1991): 1397–1400. https://doi.org/10.1109/icassp.1991.150688.Full Text
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Krolik, J., and D. Swingler. “The detection performance of coherent wideband focusing for a spatially resampled array.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 5 (December 1, 1990): 2827–30.
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Krolik, J., and D. Swingler. “Focused Wide-Band Array Processing by Spatial Resampling.” Ieee Transactions on Acoustics, Speech, and Signal Processing 38, no. 2 (January 1, 1990): 356–60. https://doi.org/10.1109/29.103073.Full Text
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Krolik, J., J. Lynch, and D. Swingler. “Robust incoherent matched field processor for source localization in uncertain multipath fields.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 4 (December 1, 1989): 2637–40.
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Krolik, J., and D. Swingler. “Focussed partially adaptive broadband beamforming via spatial resampling,” December 1, 1989, 117–18.
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Swingler, D. N., R. S. Walker, and J. Krolik. “Implementation considerations for a doubly-steered, coherently-focussed high-resolution broadband beamformer for source location estimation.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 4 (December 1, 1989): 2589–92.
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Krolik, J., and D. Swingler. “Multiple Broad-Band Source Location Using Steered Covariance Matrices.” Ieee Transactions on Acoustics, Speech, and Signal Processing 37, no. 10 (January 1, 1989): 1481–94. https://doi.org/10.1109/29.35386.Full Text
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Swingler, D. N., and J. Krolik. “Source Location Bias In The Coherently Focused High-Resolution Broadband Beamformer.” Ieee Transactions on Acoustics, Speech, and Signal Processing 37, no. 1 (January 1, 1989): 143–45. https://doi.org/10.1109/29.17516.Full Text
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Krolik, J., D. N. Swingler, and R. S. Walker. “Dominant-mode steered linear prediction for high resolution broadband source location,” December 1, 1988, 28–32.
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Krolik, J., M. Eizenman, and S. Pasupathy. “Time Delay Estimation of Signals with Uncertain Spectra.” Ieee Transactions on Acoustics, Speech, and Signal Processing 36, no. 12 (January 1, 1988): 1801–11. https://doi.org/10.1109/29.9025.Full Text
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Krolik, J., and M. Eizenman. “MINIMUM VARIANCE SPECTRAL ESTIMATION FOR BROADBAND SOURCE LOCATION USING STEERED COVARIANCE MATRICES.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, January 1, 1988, 2841–44.
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Swingler, D. N., R. S. Walker, and J. Krolik. “HIGH-RESOLUTION BROADBAND BEAMFORMING USING A DOUBLY-STEERED COHERENT SIGNAL-SUBSPACE APPROACH.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, January 1, 1988, 2658–61.
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Leib, H., M. Eizenman, S. Pasupathy, and J. Krolik. “Adaptive Lattice Filter for Multiple Sinusoids in White Noise.” Ieee Transactions on Acoustics, Speech, and Signal Processing 35, no. 7 (January 1, 1987): 1015–23. https://doi.org/10.1109/TASSP.1987.1165227.Full Text
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Krolik, J., M. Eizenman, and S. Pasupathy. “TIME DELAY ESTIMATION VIA GENERALIZED CORRELATION WITH ADAPTIVE SPATIAL PREFILTERING.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, December 1, 1986, 1893–96.
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Krolik, J., M. Eizenman, and S. Pasupathy. “APPLICATION OF THE LMS ADAPTIVE LINE ENHANCER IN TIME DELAY ESTIMATION.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, December 1, 1985, 1766–69.
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Krolik, J., M. Eizenman, and S. Pasupathy. “Constrained time delay estimation via zero-crossing methods.” Adaptive Methods in Underwater Acoustics. Proceedings of the Nato Advanced Study Institute, 1985, 207–16.
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Krolik, J., M. Joy, S. Pasupathy, and M. Eizenman. “COMPARATIVE STUDY OF THE LMS ADAPTIVE FILTER VERSUS GENERALIZED CORRELATION METHODS FOR TIME DELAY ESTIMATION.” Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings 1 (January 1, 1984).
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Agol, E., J. Krolik, N. J. Turner, and J. M. Stone. “Two-dimensional hydrodynamic simulations of convection in radiation-dominated accretion disks.” Astrophys. J. (Usa) 558, no. 2 (n.d.): 543–52. https://doi.org/10.1086/322277.Full Text Link to Item
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Gonzalez Delgado, R. M., T. Heckman, C. Leitherer, G. Meurer, J. Krolik, A. S. Wilson, A. Kinney, and A. Koratkar. “Ultraviolet-optical observations of the Seyfert 2 galaxies NGC 7130, NGC 5135, and IC 3639: implications for the starburst-active galactic nucleus connection.” Astrophys. J. (Usa) 505, no. 1 (n.d.): 174–98. https://doi.org/10.1086/306154.Full Text Link to Item
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Hero, A., H. Messer, J. Goldberg, D. J. Thomson, M. G. Amin, G. Giannakis, A. Swami, et al. “Highlights of statistical signal and array processing.” Ieee Signal Process. Mag. (Usa) 15, no. 5 (n.d.): 21–64. https://doi.org/10.1109/79.708539.Full Text Link to Item
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Shorey, J. A., L. W. Nolte, and J. L. Krolik. “Computationally efficient Monte Carlo estimation algorithms for matched field processing in uncertain ocean environments.” J. Comput. Acoust. (Singapore) 2, no. 3 (n.d.): 285–314.
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Book Sections
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Xu, C., and J. Krolik. “Multiple-input multiple-output radar for monitoring of bed-ridden patients.” In Radar for Indoor Monitoring: Detection, Classification, and Assessment, 227–60, 2017. https://doi.org/10.1201/9781315155340.Full Text
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Tabrikian, J., and J. L. Krolik. “Barankin bounds for source localization in an uncertain ocean environment.” In Bayesian Bounds for Parameter Estimation and Nonlinear Filtering/Tracking, 529–39, 2007. https://doi.org/10.1109/9780470544198.ch47.Full Text
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Tabrikian, J., and J. L. Krolik. “Efficient computation of the bayesian cramerrao bound on estimating parameters of markov models.” In Bayesian Bounds for Parameter Estimation and Nonlinear Filtering/Tracking, 371–74, 2007. https://doi.org/10.1109/9780470544198.ch32.Full Text
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Conference Papers
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Centers, J., and J. Krolik. “Vibrational Radar Backscatter Communication using Resonant Transponding Surfaces.” In Proceedings of the Ieee Sensor Array and Multichannel Signal Processing Workshop, 2022-June:71–75, 2022. https://doi.org/10.1109/SAM53842.2022.9827869.Full Text
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Martinez, M. A., and J. L. Krolik. “A Classification-Aided Recurrent Neural Network for Tracking in Urban Terrain.” In Proceedings of the Ieee Radar Conference, 2022. https://doi.org/10.1109/RadarConf2248738.2022.9764254.Full Text
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Ganti, A., and J. Krolik. “Sampling Rate Offset Estimation in Acoustic Sensor Networks.” In Ieee Workshop on Statistical Signal Processing Proceedings, 2021-July:436–40, 2021. https://doi.org/10.1109/SSP49050.2021.9513831.Full Text
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Zhang, J., Y. Huang, H. Yang, M. Martinez, G. Hickman, J. Krolik, and H. Li. “Efficient FPGA Implementation of a Convolutional Neural Network for Radar Signal Processing.” In 2021 Ieee 3rd International Conference on Artificial Intelligence Circuits and Systems, Aicas 2021, 2021. https://doi.org/10.1109/AICAS51828.2021.9458573.Full Text
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Centers, J., and J. Krolik. “Vibrational Radar Backscatter Communications.” In Conference Record Asilomar Conference on Signals, Systems and Computers, 2021-October:1086–90, 2021. https://doi.org/10.1109/IEEECONF53345.2021.9723226.Full Text
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Ganti, A., and J. Krolik. “Adaptive Beamforming with a Partially Calibrated Distributed Array.” In Conference Record Asilomar Conference on Signals, Systems and Computers, 2021-October:199–203, 2021. https://doi.org/10.1109/IEEECONF53345.2021.9723125.Full Text
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Ganti, A., and J. Krolik. “ESPRIT-based Calibration of Multiple Sonobuoys Using a Moving Source.” In 2020 Global Oceans 2020: Singapore U.S. Gulf Coast, 2020. https://doi.org/10.1109/IEEECONF38699.2020.9389064.Full Text
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Cnaan-On, I., A. Harms, J. L. Krolik, and A. R. Calderbank. “Run-length limited codes for backscatter communication.” In Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, 6110–14, 2017. https://doi.org/10.1109/ICASSP.2017.7953330.Full Text
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Ramirez, J., N. Bottenus, G. Trahey, and J. L. Krolik. “Synthetic aperture imaging with thinned linear sensor arrays for medical ultrasound.” In Proceedings of the Ieee Sensor Array and Multichannel Signal Processing Workshop, Vol. 2016-September, 2016. https://doi.org/10.1109/SAM.2016.7569640.Full Text
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Harms, A., J. L. Odom, and J. L. Krolik. “Ocean acoustic waveguide invariant parameter estimation using tonal noise sources.” In Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, 2015-August:4001–4, 2015. https://doi.org/10.1109/ICASSP.2015.7178722.Full Text
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Ramirez, J., and J. Krolik. “Multiple source localization with moving co-prime arrays.” In Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, 2015-August:2374–78, 2015. https://doi.org/10.1109/ICASSP.2015.7178396.Full Text
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Xu, C., and J. Krolik. “Space-delay adaptive processing for MIMO RF indoor motion mapping.” In Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, 2015-August:2349–53, 2015. https://doi.org/10.1109/ICASSP.2015.7178391.Full Text
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Li, L., and J. L. Krolik. “Target tracking in uncertain Multipath Environment using distributed Angle-of-Arrival observation.” In Ieee National Radar Conference Proceedings, 2015-June:1473–78, 2015. https://doi.org/10.1109/RADAR.2015.7131228.Full Text
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Li, L., and J. L. Krolik. “CRLB performance for bistatic MIMO radar.” In Ieee National Radar Conference Proceedings, 2015-June:1468–72, 2015. https://doi.org/10.1109/RADAR.2015.7131227.Full Text
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Hickman, G., and J. L. Krolik. “Non-recurrent wideband continuous active sonar.” In Oceans 2012 Mts/Ieee: Harnessing the Power of the Ocean, 2012. https://doi.org/10.1109/OCEANS.2012.6405101.Full Text
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Odom, J. L., and J. L. Krolik. “Time-varying array shape estimation by mapping acoustic field directionality.” In Oceans 2012 Mts/Ieee: Harnessing the Power of the Ocean, 2012. https://doi.org/10.1109/OCEANS.2012.6404977.Full Text
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Tabrikian, J., J. L. Krolik, and S. Vasudevan. “Estimating tropospheric refractivity parameters from radar sea clutter.” In Proceedings of the Ieee Signal Processing Workshop on Higher Order Statistics, Spw Hos 1999, 345–48, 1999. https://doi.org/10.1109/HOST.1999.778755.Full Text
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Narasimhan, S., and J. L. Krolik. “A Cramer-Rao bound for source range estimation in a random ocean waveguide.” In Ieee 7th Sp Workshop on Statistical Signal and Array Processing, Ssap 1994 Proceedings, 309–12, 1994. https://doi.org/10.1109/SSAP.1994.572505.Full Text
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Niezgoda, G. H., and J. L. Krolik. “A multiple time scale minimum variance beamformer.” In Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, 4:364–67, 1993. https://doi.org/10.1109/ICASSP.1993.319670.Full Text
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Niezgoda, G. H., and J. Krolik. “The application of Laguerre partial series expansions for broadband array processing.” In Icassp, Ieee International Conference on Acoustics, Speech and Signal Processing Proceedings, 2:501–4, 1992. https://doi.org/10.1109/ICASSP.1992.226010.Full Text
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