Title :
Phase restoration in synthetic aperture radar imaging
Author :
Soumekh, M. ; Choi, J.
Author_Institution :
Dept. of Electr. & Comput. Eng., State Univ. of New York, Amherst, NY, USA
Abstract :
A perturbation method is presented for reconstructing phase from uncorrupted amplitude measurements in synthetic aperture radar (SAR) imaging via a wave equation governing SAR data and a Riccati equation that relates the amplitude and phase functions of SAR data. The two wave equations governing SAR data at two temporal frequencies of the radar signal are combined to derive a method to reconstruct complex phase errors, i.e., fading as well as loss of coherence, that vary linearly with respect to the radar signal´s temporal frequencies
Keywords :
differential equations; picture processing; radar theory; Riccati equation; SAR data; perturbation method; phase restoration; synthetic aperture radar imaging; uncorrupted amplitude measurements; wave equations; Fading; Frequency; Image reconstruction; Partial differential equations; Perturbation methods; Phase measurement; Radar imaging; Radar polarimetry; Riccati equations; Synthetic aperture radar;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1991. ICASSP-91., 1991 International Conference on
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-0003-3
DOI :
10.1109/ICASSP.1991.151025
