Acoustic Source Localization Based on Generalized Cross-correlation Time-delay Estimation

被引：41
|
作者：
Chen, Lin [1 ]
Liu, Yongchun [1 ]
Kong, Fancheng [1 ]
He, Na [1 ]
机构：
[1] China Univ Min & Technol, Sch Informat & Elect Engn, Xuzhou 221008, Jiangsu, Peoples R China
来源：
CEIS 2011 | 2011年 / 15卷
关键词：
Acoustic emission(AE); Time-Delay Estimation; acoustic source localization; SPECTRUM PHASE; LOCATION;
D O I：
10.1016/j.proeng.2011.08.915
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In the existing acoustic emission (AE) localization methods, the estimation localization method based on the time difference of arrival (TDOA) has less computation and higher accuracy of positioning and is easy to implement the real-time systems and thus it becomes a commonly used method in the acoustic source localization methods. In this method, the most important thing is time delay estimation (TDE) that directly affects the accuracy of positioning. In this paper, we analyze the performance of several weighting functions in the generalized cross-correlation time-delay estimation algorithm and give the simulation results. By comparison, PHAT weighting is characterized by small fluctuations, sharp peak and strong anti-jamming ability and it is the best choice for acoustic source localization in the generalized cross-correlation time-delay estimation algorithm. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of [CEIS 2011]
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页数：8
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