QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于l1稀疏正则化的信源个数估计新算法

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Date of Publication:2016-10-25

Journal:通信学报

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:37

Issue:10

Page Number:75-80

ISSN No.:1000-436X

Key Words:稀疏正则化;信源个数估计;空间平稳噪声;正则化参数

Abstract:针对现有信号源个数估计相关算法在低信噪比和较少快拍数下存在欠估计的问题,提出一种适用于空间平稳噪声下基于l1稀疏正则化的信源个数估计新算法。该算法利用信号协方差矩阵特征值分解得到的特征值序列的稀疏性,选取合适的正则化参数对信号源个数进行估计。理论分析和仿真实验表明,所提算法可以在较低信噪比的空间平稳噪声条件下,实现对较少快拍数下阵列接收数据信源个数的精确估计。

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