摘要
介绍一种超声波倒车测距仪的工作原理、系统硬件、软件的设计，讨论了系统的时分复用工作方式和自动增益控制技术。
The basic principle,the device and design of the hardware and software about the back draft sensor measuring the distance by ultrasonic are presented in this paper.The time division multiplex scheme and the automaticgain control technique are discussed.
出处
《华东船舶工业学院学报》
1998年第6期54-57,共4页
Journal of East China Shipbuilding Institute(Natural Science Edition)
基金
企业协作技术攻关课题
关键词
超声波
时差
自动增益控制
倒车测距仪
ultrasonic waves
equation of time
time division multipexing
automatic gain control
