PARAMETER IDENTIFIABILITY OF SPATIAL-SMOOTHING-BASED BISTATIC MIMO RADAR

被引：2

作者：

Shi, Junpeng ^{[1
]}

Wen, Fangqing ^{[2
]}

Liu, Yongxiang ^{[1
]}

Shen, Qinmu ^{[1
]}

Li, Zhihui ^{[1
]}

Liu, Zhen ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Elect Sci, Zunyi, Guizhou, Peoples R China

[2] Yangtze Univ, Natl Demonstrat Ctr Expt Elect & Elect Educ, Jingzhou, Hubei, Peoples R China

来源：

2021 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP 2021) | 2021年

基金：

中国国家自然科学基金;

关键词：

parameter identifiability; MIMO radar; diversity smoothing; OF-ARRIVAL ESTIMATION; COHERENT; TRANSMISSION; ESPRIT;

D O I：

10.1109/ICASSP39728.2021.9414865

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Diversity smoothing has been widely developed for angle estimation with bistatic multiple input multiple output (MIMO) radar in the presence of coherent targets, the parameter identifiability of which is an important issue. In this paper, we are devoted to establishing more accurate conditions by studying the positive definiteness of smoothed target covariance matrix. The antenna numbers of transmit and receive arrays are derived as functions of the target number and target structure. We show that the new results improve upon previous ones and recover them in special cases. Simulation results are presented that corroborate our theoretical findings.

引用

页码：4420 / 4424

页数：5

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