声波波速测试仪  

Instrument of measuring wave velocity

作　　者：马冲[1] 雷航[2] 程永进[1] 郭万里[1] MA Chong LEI Hang CHENG Yong-jin GUO Wan-li(School of Mathematics and Physics b. School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, Chin)

机构地区：[1]中国地质大学(武汉)数理学院,湖北武汉430074 [2]中国地质大学(武汉)机电学院,湖北武汉430074

出　　处：《物理实验》2017年第3期15-17,共3页Physics Experimentation

基　　金：中国地质大学(武汉)实验技术研究项目(No.SJ-201625);中国地质大学(武汉)教学研究项目(No.2015A32)

摘　　要：设计了声波波速测量仪,从机械结构和电路设计2个方面介绍了仪器的基本组成,并利用该仪器测量了几种不同频率的声波波长,通过测量结果与理论波长值的比较证明了该波速测试仪的合理性.An instrument ot measuring wave velocity was designed. The basic components of the instrument, such as the mechanical structure and the circuit design, were introduced. Using the in- strument, the wave velocity of several different frequencies was measured. By comparing the meas- ured results with the theoretical value, the rationality of the instrument was proved.

关 键 词：波长 波速 驻波 

分 类 号：O422.1[理学—声学]