针对特定环境下雷达数据的远程传输问题，设计一种利用以太网物理层芯片，采用光纤实现的新方法，给出了系统实现的结构框图；讨论了通信协议的制定，并比较了该协议与以太网MAC层协议的异同；给出了系统中关键模块的快速可编程门阵列设计实现和仿真及试验结果。其结果是系统具有实现简单、可靠性高的优点，在雷达数据远程传输中应用前景广泛。-Specific circumstances of the long-range radar data transmission problems, to design a chip using the Ethernet physical layer, using optical fiber to achieve a new method of system structure diagram　discussed the development of communication protocols, and compared the agreement Ethernet MAC layer protocol with the similarities and differences　given the key modules of the system