Nonuniform stretch processing for the range profile of a target with micro-motion

被引：0
|
作者：
Chen Hangyong [1 ]
Jiang Weidong [1 ]
Liu Yongxiang [1 ]
Li Xiang [1 ]
Guo Guirong [1 ]
机构：
[1] Natl Univ Def Technol, Inst Space Elect Informat Technol, Chang Sha 410073, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2006年 / 16卷 / 11期
关键词：
synthetic range profile; micro-niotion; stretch processing; Doppler effect;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Complex motions such as micro-motions induce complex range-Doppler coupling effect in radar imaging. Hence, it is a challenge to reconstruct a clear range profile of a target with micro-motion. Stretch processing with fine motion compensation cannot perform well white it ties to eliminate the distortion of range profile caused by Doppler effect, because it is difficult to accurately estimate each scattering center velocity during coherent processing interval. Based on nonuniform stretch processing (NSP), a new technology is proposed to decouple range, time and Doppler and then achieve range profile of target with micro-motion. The new technology uses a new synthetic wide-band waveform and has in innovative mathematic interpretation. Statistical properties of the new approach are primarily examined. Typical models of target with micro-motion for high resolution radar are presented. Monte Carlo simulations demonstrate the performance of the new technology and the simulation results confirm our expectations.
引用
收藏
页码：1205 / 1213
页数：9
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