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
收藏
页码：2644 / 2648
页数：5
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