Research and Analysis on the Localization of a 3-D Single Source in Lossy Medium Using Uniform Circular Array

被引：1

作者：

Xue, Bing ^{[1
,2
]}

Qu, Xiaodong ^{[1
,2
]}

Fang, Guangyou ^{[1
,2
]}

Ji, Yicai ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Elect, Key Lab Electromagnet Radiat & Sensing Technol, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China

来源：

SENSORS | 2017年 / 17卷 / 06期

关键词：

uniform circular array; source localization; least square algorithm; lossy medium; 2-DIMENSIONAL DIRECTION ESTIMATION; NEAR-FIELD SOURCES; ANGLE ESTIMATION; ALGORITHM;

D O I：

10.3390/s17061274

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper, the methods and analysis for estimating the location of a three-dimensional (3-D) single source buried in lossy medium are presented with uniform circular array (UCA). The mathematical model of the signal in the lossy medium is proposed. Using information in the covariance matrix obtained by the sensors' outputs, equations of the source location (azimuth angle, elevation angle, and range) are obtained. Then, the phase and amplitude of the covariance matrix function are used to process the source localization in the lossy medium. By analyzing the characteristics of the proposed methods and the multiple signal classification (MUSIC) method, the computational complexity and the valid scope of these methods are given. From the results, whether the loss is known or not, we can choose the best method for processing the issues (localization in lossless medium or lossy medium).

引用

页数：11

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