不停车收费系统(ETC)关键技术应用研究(2)

Application of Key Technology of Electronic Toll Collection System(2)

3 OBU选型比较 OBU也称为电子标签或车载单元，它是一种具有微波通信功能和信息存储功能的移动设备识别装置，是公路联网收费电子不停车收费专用设备。

The public operation of ETC system in Yangtze River delta freeway demonstrates that success in cooperation research and practice of this technology in Shanghai.This paper introduces its two key technologies development for reference:automatic vehicle identification and electronic label identify.