【摘要】 将专用短程通信技术应用于高速公路精确路径识别系统,提出了一种中心频率为433MHz的有源射频卡设计方案.该方案通过对车载设备和路旁设备的设计,改善了道路与车辆系统之间的协调关系,实现了车辆与道路及车辆与车辆间的有效沟通,提高了道路和车辆的使用效率.更多还原

【Abstract】 The DSRC(edicated short range communication) technology was applied to the expressway path accurate recognization system,and a radio frequency design with 433 MHz center frequency was presented.The plan through the design of OBU(on board unit)and RSU(road side unit)can improve the harmonious relation between road and vehicle system,implement the effective communication between vehicle-road and vehicle-vehicle,and improve the efficiency of use of vehicle and road.更多还原