Octave Division Motion Compensation Algorithm for Near-Range Wide-Beam SAR Applications

被引：3
|
作者：
Wu, Huaming [1 ]
Zwick, Thomas [1 ]
机构：
[1] Karlsruhe Inst Technol, Inst Hochfrequenztech & Elek, D-76128 Karlsruhe, Germany
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2014年 / 144卷
关键词：
D O I：
10.2528/PIER13110802
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The space-variant motion errors are specific to different targets and proportional to the beamwidth of a synthetic aperture radar (SAR) system, which makes them very difficult to be compensated for a SAR system with wide beamwidth. In this paper, a motion compensation (MoCo) algorithm that exploits the features of the geometry of near-range SAR applications is proposed. By dividing the whole range swath into several octave sub-swaths, the effects of space-variant motion errors can be greatly reduced, especially for targets at nearer range, with low computational load.
引用
收藏
页码：115 / 122
页数：8
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