An improvement method for circular synthetic aperture radar imaging

被引：2
|
作者：
Jia, Gaowei [1 ]
Gu, Chengfei [2 ]
Chang, Wenge [2 ]
Li, Xiangyang [2 ]
机构：
[1] Natl Univ Def Technol, Coll Aerosp Sci & Engn, Changsha 410073, Hunan, Peoples R China
[2] Natl Univ Def Technol, Coll Elect Sci & Engn, Changsha, Hunan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF REMOTE SENSING | 2017年 / 38卷 / 23期
关键词：
SAR; COMPENSATION;
D O I：
10.1080/01431161.2017.1356485
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
Circular synthetic aperture radar (CSAR) is the imaging mode when the radar moves along a circular path and the observed area is always covered by the wave beam. It is different from traditional SAR modes (strip-map SAR and spotlight SAR) and has potential advantages such as 360 degrees observation, target recognition, and three-dimensional reconstruction. According to the imaging processing of CSAR, motion error is an important issue affecting the CSAR image quality, but the motion compensatio n (MOCO) method for CSAR is underdeveloped. Accordingly, with detailed analysis the motion error model is established and a data-driven MOCO flow chart for CSAR is proposed. The real CSAR data are used to verify the proposed method.
引用
收藏
页码：6492 / 6504
页数：13
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