Direction Estimation and Tracking of Coherent Sources Using a Single Acoustic Vector Sensor

被引：6
|
作者：
Wajid, Mohd [1 ,2 ]
Kumar, Arun [1 ]
Bahl, Rajendar [1 ]
机构：
[1] Indian Inst Technol Delhi, Ctr Appl Res Elect, New Delhi, India
[2] Aligarh Muslim Univ, ZHCET, Dept Elect Engn, Aligarh, Uttar Pradesh, India
来源：
ARCHIVES OF ACOUSTICS | 2020年 / 45卷 / 02期
关键词：
acoustic intensity; acoustic vector sensor; Direction of Arrival (DOA); Finite Element Method (FEM); tracking of acoustic source; OF-ARRIVAL ESTIMATION; SPATIAL SMOOTHING TECHNIQUES; CROSS-SPECTRAL METHOD; DOA ESTIMATION; SOUND INTENSITY; ARRAY; PERFORMANCE; SIGNALS; DESIGN; ERRORS;
D O I：
10.24425/aoa.2020.132495
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A single acoustic vector sensor (AVS) cannot be used to find the direction-of-arrival (DOA) of two or more coherent (fully correlated) sources. We have proposed a technique for estimating DOAs (in 2D geometry) of two simultaneous coherent sources using single AVS under the assumption that acoustic sources enter in the field sequentially. The DOA estimation has been investigated with two different configurations of AVS, each consisting of three microphones in a plane. The technique has been also applied in tracking (a) an acoustic source in the presence of stationary interfering coherent source and (b) two coherent sources when the sources are changing their locations alternatively. The experimental environment has been generated using the Finite-Element Method tool viz. COMSOL to corroborate the proposed scheme.
引用
收藏
页码：209 / 219
页数：11
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