Low-complexity 2D coherently distributed sources decoupled DOAs estimation method

被引：0
|
作者：
XianSheng Guo
Qun Wan
WanLin Yang
XueMei Lei
机构：
[1] University of Electronic Science and Technology of China,Department of Electronic Engineering
来源：
Science in China Series F: Information Sciences | 2009年 / 52卷
关键词：
2D coherently distributed source; uniform linear array; direction-of-arrival (DOA); decoupled estimation; quadric rotational invariance property (QRIP);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The existing directions-of-arrival (DOAs) estimation methods for two-dimensional (2D) coherently distributed sources need one- or two-dimensional search, and the computational complexities of them are high. In addition, most of them are designed for special angular signal distribution functions. As a result, their performances will degenerate when deal with different sources with different angular signal distribution functions or unknown angular signal distribution functions. In this paper, a low-complexity decoupled DOAs estimation method without searching using two parallel uniform linear arrays (ULAs) is proposed for coherently distributed sources, as well as a novel parameter matching method. It can resolve the problems mentioned above efficiently. Simulation results validate the effectiveness of our approach.
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页码：835 / 842
页数：7
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