期刊论文

中文

电子测试

1000-8519

2020

8

21-22,33

10.16520/j.cnki.1000-8519.2020.08.007

2019年湖南省大学生创新创业训练计划项目“自动超声波声速快速测定仪的设计与开发(1855)” 湖南省电子信息科学与技术专业校企合作创新创业教育基地(湘教通[2016]436号)。

本校为第一机构

介绍了一种基于STM32的超声波声速快速测定仪。该测定仪由高性能STM32F103ZE微控制器、超声波发射电路、接收电路、温度传感器等组成,通过微控制器控制和计算信号发射和接收的时间差,实现在不同温度和不同介质下的超声波声速的快速测定。系统测试实验数据表明:该测定仪测试速度较快、精度较高,并且电路功耗较低、操作方便,具有较强的实用性。

This paper introduces a kind of fast ultrasonic sound velocity measuring instrument based on STM32.The instrument is composed of high performance stm32f103ze microcontroller,ultrasonic transmitting circuit,receiving circuit,temperature sensor,etc.By controlling and calculating the time difference between signal transmitting and receiving,the rapid measurement of ultrasonic sound velocity under different temperature and different medium can be realized.The experimental data of the system test show that the tester has fast test speed,high precision...