大学物理 ›› 2017, Vol. 36 ›› Issue (8): 30-35.doi: 10.16854 /j.cnki.1000-0712.2017.08.009

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二维板声发射源定位实验的一种简易实现方法

尹莘新,崔志文,吕伟国   

  1. 吉林大学物理学院声学与微波物理系,吉林长春130012
  • 收稿日期:2016-08-17 修回日期:2016-12-20 出版日期:2017-08-20 发布日期:2017-08-20
  • 作者简介:尹莘新( 1991—) ,女( 回) ,吉林长春人,吉林大学物理学院声学专业2014 级硕士研究生,
  • 基金资助:
    国家自然科学基金( 41474098,11134011) 、声场声信息国家重点实验室开放基金( SKLA201608) 资助

A simple experimental method of 2D acoustic source localization

YIN Shen-xin,CUI Zhi-wen,LV Wei-guo   

  1. Department of Acoustics and Microwave Physics,School of Physics,Jilin University,Changchun, Jilin 130012,China
  • Received:2016-08-17 Revised:2016-12-20 Online:2017-08-20 Published:2017-08-20

摘要: 对声发射技术中的二维平面定位问题提出一种新的简易实验方案.采用新三角时差算法实现二维板的声源定位和GPS 模拟,同时利用简易实验方法,仅用两个超声波传感器完成实验,简化实验器材,降低实验成本,适合普及,计算过程简单,同时也利于物理问题深入地理解.

关键词: 声发射源, 定位, 新三角时差算法, 二维板

Abstract: A new simple experimental scheme for two-dimensional planar location problem of acoustic emission technology is proposed.New triangle time difference algorithm is adopted to realize sound source localization and GPS simulation of two - dimensional plate by using simple experimental method at the same timewith only two ultrasonic sensors to complete the experiment.This new method simplifies the experimental equipment,reduces the cost,is suitable for popularization with simple calculation process,and also helps us to have an insight into the physical problem of the acoustic emission technology.

Key words: acoustic emission, source location, a new triangle time difference algorithm, two-dimensional plate