超声波式数字测距仪的研究

Study of Ultrasonic Wave Type Distance-measurement Meter

介绍了超声波式数字测距仪的原理 ,主要论述了在测量中存在超声波的传播速度随着温度的变化和其它干扰信号对测量的影响问题 。

The paper introduces the principle of the ultrasonic wave type distance measurement meter.And mainly discusses that there is the propagating speed of the ultrasonic wave varying with temperature,and that there are some other interference signals influncing the distance measurement in the measurement.Here,put forward the solutions for the problems.