本系统可安装在汽车上，用于雾天或夜间监测前方车辆，并在车速、车距达到临界安全值时发出报警信号，以避免交通事故的发生，确保行车安全。
It can give alarming signal when the speed of vehicle and the distance between vehicles reach the edge of security, so more traffic accidents can be avoided.
包括单片机控制、电源、传感器、油量报警、油量显示、车速信息、里程信息、LED显示等模块设计和软件的设计。
It consists of MCU control, power, sensor, oil amount warning, oil amount show, LED display and the software design.
该系统使用单片机微控制器，具有列车速度和方向的测试、语音报警、数据存储、通讯和检索等强大的功能。
This system uses SCM as the microcontroller to measure the speed and direction oft he train, and to sound the alarm.
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