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Issue:
Joint 2D Angle and Frequency Estimation Based on Uniform Square Array
Author(s):
XU Ling-yun
,
ZHANG Xiao-fei
,
XU Zong-ze
Pages:
187
-
194
Year:
2011
Issue:
2
Journal:
Journal of Applied Sciences
Keyword:
四线性交替最小二乘
;
二维DOA估计
;
频率估计
;
均匀面阵
;
Abstract:
在均匀面阵列结构基础上提出一种二维角度和频率联合估计新方法.对阵列天线输出的信号进行建模分析,表明阵列接收信号具有平行因子四线性模型特征.利用该模型低秩分解的唯一性条件,从分解得到的矩阵中联合估计出信源的参数.该算法首先利用四线性交替最小二乘算法估计出方向矩阵和频率矩阵,然后利用频率矩阵的Vandermonde特征和方向矩阵的结构特点及最小二乘法计算频率和二维角度.该方法无需谱峰搜索即可实现参数同...
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