P-band focus problem

Arthur W. Mansfield; Houra Rais

doi:10.1117/12.277110

23 June 1997 P-band focus problem

Arthur W. Mansfield, Houra Rais

Proceedings Volume 3069, Automatic Target Recognition VII; (1997) https://doi.org/10.1117/12.277110
Event: AeroSense '97, 1997, Orlando, FL, United States

Abstract

For the problem of finding downed aircraft in forested areas, the NASA Search and Rescue Project has developed a system based on using fully polarimetric L-Band and P-Band synthetic aperture radar (SAR). Because of the resolution of the sensor and the size of the target, single-look imagery must be used. The problem of focusing the SAR imagery is a difficult one, especially at P-Band. An approach has been implemented with considerable success, based on a variant of the phase gradient autofocus algorithm, which provides the higher-order-than- quadratic phase correction needed.

Citation Download Citation

Arthur W. Mansfield and Houra Rais "P-band focus problem", Proc. SPIE 3069, Automatic Target Recognition VII, (23 June 1997); https://doi.org/10.1117/12.277110

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