一种改进的二维ESPRIT算法

山东大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (2): 149-152.

一种改进的二维ESPRIT算法

刁鸣,魏挺

哈尔滨工程大学信息与通信工程学院, 黑龙江哈尔滨 150001

收稿日期:2009-05-31 出版日期:2010-04-16 发布日期:2009-05-31
作者简介:刁鸣(1960-),男,黑龙江哈尔滨人,教授,博士生导师,工学硕士,主要研究方向为宽带信号检测、处理与识别. E-mail: diaoming@hrbeu.edu.cn
基金资助:
黑龙江省科技攻关资助项目(GZ08A101)

An improved 2-D ESPRIT algorithm

DIAO Ming, WEI Ting

Information and Communication Engineering College, Harbin Engineering Universiuy, Harbin 150001, China

Received:2009-05-31 Online:2010-04-16 Published:2009-05-31

摘要/Abstract

关键词: 波达方向估计, 二维ESPRIT, 奇异值分解, 相干信号

Abstract:

When the 2-D ESPRIT algorithm is used to treat two-dimensional signals, there is a great deal of redundancy in the arrays. A new 2-D improved ESPRIT algorithm was proposed. This algorithm used the geometries characteristic of a double linear array to construct a mixed matix, and then the signal subspace was obtained via the singular value decomposition of the matix in the 2D-ESPRIT method. This method could estimate the signal with less work, and get good estimation results. It could estimate both coherent signals and non-coherent signals by the spatial smoothing method.

Key words: direction of arrival estimation, 2-D ESPRIT, singular value decomposition, coherent signal

刁鸣,魏挺. 一种改进的二维ESPRIT算法[J]. 山东大学学报(工学版), 2010, 40(2): 149-152.

DIAO Ming, WEI Ting. An improved 2-D ESPRIT algorithm[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2010, 40(2): 149-152.

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