QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于四阶累积量的近场源多参数联合估计

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Date of Publication:2015-12-14

Journal:大连理工大学学报

Included Journals:PKU、ISTIC、CSCD、Scopus

Volume:55

Issue:6

Page Number:625-631

ISSN No.:1000-8608

Key Words:近场源定位;四阶累积量;DOA 估计;频率估计;距离估计

Abstract:提出了一种近场窄带信源多参数联合估计新方法,通过所构造四阶累积量矩阵的特征值及其特征向量就可以直接获得近场源频率、方位及距离三维参数的联合估计,无须峰值搜索,适用于任意高斯噪声环境。与现有方法相比,所提方法有效地避免了阵列孔径损失,而且算法简单高效。仿真综合结果表明了新方法的有效性。

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