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Resolution threshold analysis of music algorithm in radar range imaging
Gu, X.; Zhang, Y.H.; Gu, X. (guxiang@nmrs.ac.cn)
Department微波遥感部
Source PublicationProgress In Electromagnetics Research B
2011
Issue31Pages:297-321
ISSN1937-6472
Language英语
AbstractSuper-resolution algorithms used in radar imaging, e.g., MUltiple SIgnal Classification (MUSIC), can help us to get much higher resolution image beyond what is limited by the signal's bandwidth. We focus on MUSIC imaging algorithm in the paper and investigate the uniqueness and effectiveness conditions of the MUSIC algorithm when used in 1-D radar range imaging. Unlike conventional radar resolution analysis, we introduced the concept of resolution threshold from Direction of Arrival (DOA) into the MUSIC radar range imaging, we derive an approximate expression of theoretical resolution threshold for 1-D MUSIC imaging algorithm through the approach of asymptotic and statistical analysis to the null spectrum based on the perturbation theory of algebra and matrix theories. Monte Carlo simulations are presented to verify the work.; Super-resolution algorithms used in radar imaging, e.g., MUltiple SIgnal Classification (MUSIC), can help us to get much higher resolution image beyond what is limited by the signal's bandwidth. We focus on MUSIC imaging algorithm in the paper and investigate the uniqueness and effectiveness conditions of the MUSIC algorithm when used in 1-D radar range imaging. Unlike conventional radar resolution analysis, we introduced the concept of resolution threshold from Direction of Arrival (DOA) into the MUSIC radar range imaging, we derive an approximate expression of theoretical resolution threshold for 1-D MUSIC imaging algorithm through the approach of asymptotic and statistical analysis to the null spectrum based on the perturbation theory of algebra and matrix theories. Monte Carlo simulations are presented to verify the work.
Indexed ByEI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3459
Collection微波遥感部
Corresponding AuthorGu, X. (guxiang@nmrs.ac.cn)
Recommended Citation
GB/T 7714
Gu, X.,Zhang, Y.H.,Gu, X. . Resolution threshold analysis of music algorithm in radar range imaging[J]. Progress In Electromagnetics Research B,2011(31):297-321.
APA Gu, X.,Zhang, Y.H.,&Gu, X. .(2011).Resolution threshold analysis of music algorithm in radar range imaging.Progress In Electromagnetics Research B(31),297-321.
MLA Gu, X.,et al."Resolution threshold analysis of music algorithm in radar range imaging".Progress In Electromagnetics Research B .31(2011):297-321.
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