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测量超声波速度的相位谱方法
引用本文:刘镇清.测量超声波速度的相位谱方法[J].声学技术,1993,12(2):19-22.
作者姓名:刘镇清
作者单位:同济大学声学研究所 上海200092
摘    要:

关 键 词:超声波  相位谱  测量  超声检测
收稿时间:1992/12/25 0:00:00

A phase spectrum method for determination of ultrasonic wave velocity
Liu Zhenqing.A phase spectrum method for determination of ultrasonic wave velocity[J].Technical Acoustics,1993,12(2):19-22.
Authors:Liu Zhenqing
Affiliation:Acoustics Institute, Tongji University, Shanghai 200092
Abstract:Ultrasonic sensor measurements are mostly based on the determination of the propagational speeds of waves. This paper presents the development of a pulse-echo measurement method, based on the use of a phase spectrum to determine the ultrasonic wave velocity. A detailed descripsion of the theory is given. Some simulated results have been shown that the method can be used to measure the speeds of waves in nondispersive and dispersive medium.
Keywords:ultrasonic wave velocity phase spectrum FFT
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