速度传感器阵列近场声源定位的孔径扩展算法

doi:10.3969/j.issn.0372-2112.2013.05.003

电子学报 ›› 2013, Vol. 41 ›› Issue (5): 848-851.DOI: 10.3969/j.issn.0372-2112.2013.05.003

速度传感器阵列近场声源定位的孔径扩展算法

刘兆霆, 潘张鑫

绍兴文理学院电子信息工程系,浙江绍兴 312000

收稿日期:2012-03-15 修回日期:2012-06-01 出版日期:2013-05-25
- 作者简介:
- 刘兆霆 男,1975年出生于江西铅山,讲师,2011年获南京理工大学博士学位.主要从事阵列信号处理方面的研究,感兴趣的领域为信号检测、参数估计及其应用研究等. E-mail:liuzhaoting@163.com
- 基金资助:
- 2012年浙江省教育厅科研项目 (No.Y201225848)

Extended-Aperture Near-Field Acoustic Source Localization Algorithm with a Velocity-Sensor Array

LIU Zhao-ting, PAN Zhang-xin

Department of Electronic Engineering,Shaoxing University,Shaoxing,Zhejiang 312000,China

Received:2012-03-15 Revised:2012-06-01 Online:2013-05-25 Published:2013-05-25

摘要/Abstract

摘要： 采用速度传感器阵列提出了一种近场声源定位(距离和DOA估计)的新算法.与目前提出的其它算法相比,本文算法有以下几个优点:无需计算高阶累积量,从而有较低的计算量;能够实现参数估计的自动配对;阵元间隔无需限制在1/4波长内,并可以通过增加阵元间隔扩展阵列孔径,从而提高算法的参数估计精度.论文最后给出了仿真实验,验证了算法的定位性能.

关键词: 速度传感器, 近场声源, 距离, 相干源波达角

Abstract: A novel algorithm for near-field acoustic source localization,i.e.,range and Direction-of-Arrival (DOA) estimation by using a velocity sensor array is proposed in this paper.Compared with the existing algorithms,the proposed one has the following advantages:No need to compute higher-order cumulants,hence having lower computational loads; achieving automatic pairing in range and DOA estimation,and having no limitation of the intersensor spacing within 1/4-wavelength,and enabling to obtain higher estimation accuracy by increasing the intersensor spacing for a larger array aperture.Monte-Carlo simulations are presented to verify the efficacy of the proposed algorithm.

Key words: velocity-sensor, near-field acoustic source, range, direction-of-arrival(DOA)

中图分类号:

TN911

刘兆霆, 潘张鑫. 速度传感器阵列近场声源定位的孔径扩展算法[J]. 电子学报, 2013, 41(5): 848-851.

LIU Zhao-ting, PAN Zhang-xin. Extended-Aperture Near-Field Acoustic Source Localization Algorithm with a Velocity-Sensor Array[J]. Acta Electronica Sinica, 2013, 41(5): 848-851.

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速度传感器阵列近场声源定位的孔径扩展算法

Extended-Aperture Near-Field Acoustic Source Localization Algorithm with a Velocity-Sensor Array

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