Polar Format Algorithm Wavefront Curvature Compensation Under Arbitrary Radar Flight Path

被引：53

作者：

Mao, Xinhua ^{[1
]}

Zhu, Daiyin ^{[1
]}

Zhu, Zhaoda ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 210016, Peoples R China

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2012年 / 9卷 / 03期

关键词：

Arbitrary flight path; polar format algorithm (PFA); synthetic aperture radar (SAR); wavefront curvature compensation;

D O I：

10.1109/LGRS.2011.2173291

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

An improved space-variant postfiltering approach to compensate for the wavefront curvature effect in polar format imagery is presented in this letter. The main contribution of this new method is the construction of a space-variant filter, which is based on exploiting the endomorphism property of the polar format transformation. The new approach provides an accurate and general solution to wavefront curvature compensation under arbitrary radar flight path. Finally, point target simulation has validated the effectiveness of the new approach.

引用

页码：526 / 530

页数：5

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