【摘要】 本文介绍了利用射频询问器及安装在车辆上的有源射频ＩＣ卡（应答器）组成的远距离、不接触的无线识别系统，以及利用该系统向射频ＩＣ卡写入与读出必要的数据，对距离很近的运动和静止的目标进行识别，实现不停车的机动车辆智能收费系统的原理和方法。更多还原

【Abstract】 The use of radiation frequency IC card discernible system consisited of radiation frequency inquirers and active diserning sign cards(answer devices)mounted on vehicles can distinguish necessary data into radiation frequency cards.The method of reading and recording data for the sole objective of the nearest inquirer among the dense objective group is introduced in this paper.更多还原