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According to the complexity of new vehicle’s ultra-short-wave radio’s principle and structure, the training cost is high and the benefit is low by using the real equipment or semi-physical simulation system. The digital training system for carrier ultra-short-wave radio maintenance is developed based on this problem. The system adopts embedded technology, digital prototype, wireless network communication and other technologies. It uses the model of “master control machine + digital prototype of radio”, through the digital design of the “digital prototype” panel module and the internal module circuit, the simulation of carrier ultra-short-wave radio operating condition is realized. Then it uses the master control machine to control the digital prototype to realize the ultra-short -wave radio status inspection, decomposition and combination, fault troubleshooting training. By developing the system , the problem of insufficient training means and backward guarantee ability of army carrier ultra-short-wave radio maintenance can be solved.