为了对公路交通进行数字化和智能化管理，该文提出了一种以创设电子车牌为基础的汽车数字化标准信源系统,该系统采用配装有无源UHF射频卡的电子车牌技术体制，对区域性车辆的道路公安交通管理进行探索和示范。演示结果表明，它具有很广的应用领域和推广价值，可以为道路公安交通进行数字化和智能化管理提供便利。

In order to manage the road traffic in digitization and intellectualization,Vehicle Digital Standard Infosource System is proposed to establish electronic car license plate technique with the foundation of passive UHF radio frequency cards. It is explored and demonstrated in the public security road traffic management.The demonstration results indicate the system of vehicle digital standard infosource has very broad application domain and high promotion value. In the mean time,it provides the convenience to the public security road traffic digitization and the intellectualized management.