JOINT DIRECTION-OF-ARRIVAL AND FREQUENCY ESTIMATION WITHOUT SOURCE ENUMERATION

被引：0

作者：

Qian, Cheng ^{[1
]}

Huang, Lei ^{[1
]}

Shi, Yunmei ^{[1
]}

So, H. C. ^{[2
]}

机构：

[1] Shenzhen Grad Sch, Harbin Inst Technol, Dept Elect & Informat Engn, Shenzhen, Peoples R China

[2] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China

来源：

2015 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (ICASSP) | 2015年

基金：

中国国家自然科学基金;

关键词：

Direction-of-arrival (DOA) estimation; frequency estimation; joint diagonalization; COHERENT SIGNALS; LOCALIZATION; PERFORMANCE; KNOWLEDGE; NUMBER; NOISE;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Joint estimation of the directions-of-arrival (DOAs) and frequencies of multiple signals is addressed in this paper. By constructing a set of joint diagonalization matrices, two cost functions that do not require a priori information of the source number are devised for DOA and frequency estimation in a separate manner. This enables us to estimate DOAs and frequencies via two one-dimensional search steps in their corresponding spatial and frequency domains. Thus, the tremendous two-dimensional search required in the standard approaches can be avoided. Simulation results demonstrate the effectiveness of the proposed approach.

引用

页码：2644 / 2648

页数：5

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