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yi qi ao di a6 chao sheng bo dao che jing bao xi tong
Author(s): 
Pages: 6-7
Year: Issue:  3
Journal: Auto Maintenance

Keyword:  超声波测量警报系统传感器障碍物倒车反射波行车安全行运算原理部件;
Abstract: <正> 超声波倒车警报系统是根据反射波原理,在倒车时其超声波障碍物传感器利用超声波测量车后方障碍物与车尾间的距离,再通过蜂鸣器通报给驾驶者,以确保行车安全。倒车警报系统由以下部件组成(如图1~图4所示):1.倒车警报控制单元(J446)用于接收传感器发出的信号,进行运算和比较之后,启动报警装置。并具有系统自检功能。
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