摘要
介绍利用驻波法测量超声波的波速的基本原理和方法,且测量超声波在空气及水中的传播速度。
This paper presents the principle and method measuring the wave speed of ultrasonic by using standing wave method, and measures the wave speed of ultrasonic in air and in water.
出处
《中国教育技术装备》
2009年第21期115-115,117,共2页
China Educational Technology & Equipment
关键词
波长
波速
驻波
wave-length
wave speed
standing wave