Title :
Squint-spotlight SAR imaging by subband combination and rage-walk removal
Author :
Wan, Kaizhi ; Liu, Xingzhao
Author_Institution :
Dept. of Electron. Eng., Shanghai Jiaotong Univ.
Abstract :
A new algorithm for spotlight SAR imaging under squint mode is proposed in this paper. The structure of the algorithm is rather simple and can be divided into two parts: the sub-aperture imaging with range-walk removal and sub-band combination, which are relatively independent
Keywords :
geophysical signal processing; geophysical techniques; radar imaging; remote sensing by radar; synthetic aperture radar; rangewalk removal; spotlight SAR imaging; squint mode SAR; subaperture imaging; subband combination; synthetic aperture radar; Apertures; Azimuth; Backscatter; Chirp; Geometry; High-resolution imaging; Image resolution; Radar polarimetry; Strips; Time frequency analysis;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004 IEEE International
Conference_Location :
Anchorage, AK
Print_ISBN :
0-7803-8742-2
DOI :
10.1109/IGARSS.2004.1369986