Interpolated spatially variant apodization in synthetic aperture radar imagery

被引:2
|
作者
Yocky, DA [1 ]
Jakowatz, CV [1 ]
Eichel, PH [1 ]
机构
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
关键词
D O I
10.1364/AO.39.002310
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The original formulation of spatially variant apodization for complex synthetic aperture radar imagery concentrated on integer-oversampled data. Noninteger-oversampled data presented previously [IEEE Trans. Aerosp. Electron. Syst. 31, 267 (1995)] suggested use of different weightings in the algorithm. An alternative noninteger-oversampled approach that employs the same apodization concept but uses local spatial interpolation is presented. With this approach the combined image formation, apodization, and detection of 1.3x-versus-2.0x oversampled data can be performed in half the time without loss of image quality. (C) 2000 Optical Society of America. OCIS codes: 280.6730, 100.2000, 100.2980.
引用
收藏
页码:2310 / 2312
页数:3
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