Single range matching filtering for space debris radar imaging

被引：20
|
作者：
Wang, Qi [1 ]
Xing, Mengdao
Lu, Guangyue
Bao, Zheng
机构：
[1] Xidian Univ, Natl Key Lab Radar Signal Proc, Shaanxi 710071, Peoples R China
[2] Xian Inst Posts & Telecommun, Dept Telecommun Engn, Xian 710061, Peoples R China
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2007年 / 4卷 / 04期
基金：
中国国家自然科学基金;
关键词：
radar imaging; single-range matching filtering (SDMF); space debris;
D O I：
10.1109/LGRS.2007.903059
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：
In the recent literature, only single-range Doppler interferometry (SRDI) has been considered for radar imaging of space debris with dimensions smaller than the radar range resolution. Considering the typical trajectories and dynamics of space debris, a single-range matching littering (SDMF) approach is proposed in this letter. SDMF permits obtaining a 2-D image of space debris by using range unit cross-range echo data and by matched filtering the signals with different turning radii. The analysis and simulations show that, compared with SRDI, the proposed approach has less computational load and better images, particularly, for targets with smaller size.
引用
收藏
页码：576 / 580
页数：5
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