Speckle reduction achievable by spatial compounding and frequency compounding: Experimental results and implications for target detectability
Publication
, Journal Article
Trahey, GE; Allison, JW; Smith, SW; Von Ramm, OT
Published in: Proceedings of SPIE - The International Society for Optical Engineering
September 10, 1987
The degree of speckle reduction achievable by spatial and frequency compounding is a function of the rates of speckle pattern change induced by varying the imaging system’s illumination angle and acoustic frequency, respectively. We have measured these rates under a variety of conditions and derived a method of maximizing speckle reduction using the average of partially correlated speckle patterns. Our experimental results agree well with theoretical predictions of these phenomena and indicate that, under limited conditions, improved target detection is possible using spatial compounding. Frequency compounding appears to be counterproductive in improving target detectability. © 1987 SPIE.
Duke Scholars
Published In
Proceedings of SPIE - The International Society for Optical Engineering
DOI
EISSN
1996-756X
ISSN
0277-786X
Publication Date
September 10, 1987
Volume
768
Start / End Page
185 / 192
Related Subject Headings
- 5102 Atomic, molecular and optical physics
- 4009 Electronics, sensors and digital hardware
- 4006 Communications engineering
Citation
APA
Chicago
ICMJE
MLA
NLM
Trahey, G. E., Allison, J. W., Smith, S. W., & Von Ramm, O. T. (1987). Speckle reduction achievable by spatial compounding and frequency compounding: Experimental results and implications for target detectability. Proceedings of SPIE - The International Society for Optical Engineering, 768, 185–192. https://doi.org/10.1117/12.940266
Trahey, G. E., J. W. Allison, S. W. Smith, and O. T. Von Ramm. “Speckle reduction achievable by spatial compounding and frequency compounding: Experimental results and implications for target detectability.” Proceedings of SPIE - The International Society for Optical Engineering 768 (September 10, 1987): 185–92. https://doi.org/10.1117/12.940266.
Trahey GE, Allison JW, Smith SW, Von Ramm OT. Speckle reduction achievable by spatial compounding and frequency compounding: Experimental results and implications for target detectability. Proceedings of SPIE - The International Society for Optical Engineering. 1987 Sep 10;768:185–92.
Trahey, G. E., et al. “Speckle reduction achievable by spatial compounding and frequency compounding: Experimental results and implications for target detectability.” Proceedings of SPIE - The International Society for Optical Engineering, vol. 768, Sept. 1987, pp. 185–92. Scopus, doi:10.1117/12.940266.
Trahey GE, Allison JW, Smith SW, Von Ramm OT. Speckle reduction achievable by spatial compounding and frequency compounding: Experimental results and implications for target detectability. Proceedings of SPIE - The International Society for Optical Engineering. 1987 Sep 10;768:185–192.
Published In
Proceedings of SPIE - The International Society for Optical Engineering
DOI
EISSN
1996-756X
ISSN
0277-786X
Publication Date
September 10, 1987
Volume
768
Start / End Page
185 / 192
Related Subject Headings
- 5102 Atomic, molecular and optical physics
- 4009 Electronics, sensors and digital hardware
- 4006 Communications engineering