Frequency and 2-D angle estimation based on uniform circular array

被引：10
|
作者：
Hui, C [1 ]
Wang, Y [1 ]
Wu, ZW [1 ]
机构：
[1] Wuhan Radar Acad, Key Res Lab, Wuhan 430010, Peoples R China
来源：
IEEE INTERNATIONAL SYMPOSIUM ON PHASED ARRAY SYSTEMS AND TECHNOLOGY 2003 | 2003年
关键词：
D O I：
10.1109/PAST.2003.1257040
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A modified method based uniform circular array for wide frequency band is presented in this paper in order to estimate parameters of signal frequency, azimuth angle and elevation angle. In the method a new matrix, which is called cumulants-based mixed direction-of-arrival (DOA) matrix, is formed by the special structure of uniform circular array. Under the condition of sub-nyquist spatio-temporal sampling, we can estimate no ambiguous frequency, and then we can get no ambiguous 2-D angles by general eigen-decomposed of mixed DOA matrix pencil. The modified method can realize the azimuth and elevation angle that are automatically paired with frequency.
引用
收藏
页码：547 / 552
页数：6
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