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一种新的相干源波达方向估计算法
引用本文:崔园,张军鹏.一种新的相干源波达方向估计算法[J].微计算机信息,2007,23(19):303-304.
作者姓名:崔园  张军鹏
作者单位:610083,中国成都,成都医学院计算机教研室
基金项目:国家自然科学基金(60473036);成都医学院科研基金资助(2005-Z005)
摘    要:本文介绍了一种相干源渡达方向估计的新方法.由于相干源的对消而造成的数据协方差矩阵的秩缺损,经典的MUSIC不能分类相干源.只能生成等效源.我们的方法是首先用数据减去等效源,然后再递归使用该方法,依次找到相干源.模拟实验表明,相比方法,这种方法具有更优的定位性能.

关 键 词:阵列信号处理  相干源
文章编号:1008-0570(2007)07-1-0303-02
修稿时间:2007-04-132007-05-15

A new DOA estimate algorithm for coherent sources
JUN PENG,ZHANG YUANCUI.A new DOA estimate algorithm for coherent sources[J].Control & Automation,2007,23(19):303-304.
Authors:JUN PENG  ZHANG YUANCUI
Affiliation:JUN PENG ZHANG YUANCUI
Abstract:This paper proposed a new subspace based method to estimate the direction of arrival (DOA). the existence of coherent sources results in the rank deficit of sample covariance matrix. Classic MUSIC(Multiple Signal Classification) can not classify coherent sources, and instead, generate an equivalent sources somewhere between them. In our method, at first, the contribution of the equiva- lent sources is subtracted by the collected data. And then, the method is recursively applied. Simulation experiment show that com- pared to the other method, this method has higher spatial resolution and less estimation error.
Keywords:MUSIC  DOA(direction of arrival)
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