AEI-CPS, which has already listed torch plan of our country in 2003, is automatic identification system of number plate which adopts advanced microwave identification technique to collect railway throat-channels train data in spots and watch train information all day. AEI-CPS已列入2003年国家火炬计划,是采用先进的微波识别技术对铁路咽喉通道的列车数据进行实时采集、全天候监控列车信息的车号自动识别处理系统。