Aiming at the problem of remote transmission of radar data in a specific environment, a new method using Ethernet physical layer chip and optical fiber is designed, and the structural block diagram of the system implementation is given; the formulation of the communication protocol is discussed, and the similarities and differences between the protocol and the Ethernet MAC layer protocol are compared; the design and implementation of the fast programmable gate array of the key modules in the system and the simulation and experimental results are given. As a result, the system has the advantages of simple implementation and high reliability, and has broad application prospects in the remote transmission of radar data. Keywords Ethernet physical layer; single mode fiber; fast programmable gate array; PCI bus; remote transmission of radar data Abstract This article mainly deals with following topics: presenting an effective solution for the radar to communicate with remote terminals through Ethernet PHY chip and single mode fiber, discussing the system architecture and the communication protocol, and its realization with field programmable gate array. Since the system has such advantages such as high reliability and easy to be implemented, it is to be put into wide usage in RADAR remote communication.Key words ethernet PHY; optical fibr; FPGA; PCI Bus; RADAR remote communicate
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