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车地通信系统在工业机车自动化中发挥重要作用,是列车安全可靠运行的关键。文中分析了感应无线通信原理,设计了一种基于感应无线技术与TMS320F28335 DSP芯片的DPSK车地通信用解调器,详细阐述了系统的硬件组成和电路设计技术问题,给出系统软件流程图。该系统经过测试,具有良好的稳定性和可靠性,满足工业机车车地通信要求。
Vehicle communication system plays an important role in the automation of industrial locomotives and is the key to the safe and reliable operation of trains. In this paper, the principle of wireless sensor communication is analyzed. A DPSK vehicle demodulator based on wireless sensor technology and TMS320F28335 DSP chip is designed. The hardware and circuit design of the system are described in detail. The flow chart of the system software is given. The system has been tested, with good stability and reliability, to meet the industrial locomotive vehicle communication requirements.