A Super-Resolution Scheme for Multichannel Radar Forward-Looking Imaging Considering Failure Channels and Motion Error

被引：14
|
作者：
Chen, Rui [1 ]
Li, Wenchao [1 ]
Li, Kefeng [1 ]
Zhang, Yongchao [1 ]
Yang, Jianyu [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Chengdu 611731, Peoples R China
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2023年 / 20卷
基金：
中国国家自然科学基金;
关键词：
Radar imaging; Imaging; Superresolution; Receiving antennas; Correlation; Radar antennas; Azimuth; Failure channels; forward-looking imaging; iterative adaptive approach (IAA); motion error; multichannel radar; super-resolution; SAR; RESOLUTION; DIAGNOSIS;
D O I：
10.1109/LGRS.2023.3234264
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：
To obtain high-resolution images of the objects in front of platform, a super-resolution scheme for multichannel radar forward-looking imaging considering failure channels and motion error is proposed in this study. In the scheme, a failure channel detection method based on the correlation of pulse-compressed data of different channels is presented first, and then a revised steering matrix considering failure channels and motion error is constructed. Finally, the echo data are processed by the iterative adaptive approach (IAA) with the revised steering matrix. Simulation results are given to illustrate the effectiveness of the proposed scheme when dealing with failure channels and motion error.
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页数：5
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