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激光引信回波模拟装置是激光引信测试设备的重要组成部分。介绍了激光引信回波模拟装置的组成,设计了用于该装置的硬件电路和软件控制系统。硬件电路采用单片机完成控制指令的接收和控制信号的产生,使用串行扩展芯片GM8125将单片机AT89S52的串行口扩展成5个,满足了激光引信回波模拟装置串口资源要求。软件控制系统基于LabVIEW设计,主要包括串口通信程序和控制指令的产生程序,控制指令经串口通信传送给硬件电路。实验结果表明,该装置满足激光引信测试设备的要求。
The laser fuze echo simulation device is an important part of the laser fuze test equipment. The composition of the laser fuze echo simulation device is introduced, and the hardware circuit and software control system for the device are designed. The hardware circuit uses single chip microcomputer to complete the control instruction receiving and control signal generation. Using the serial expansion chip GM8125 expands the serial port of AT89S52 to five, which meets the serial port resource requirements of the laser fuze echo simulation device. Software control system based on LabVIEW design, including serial communication program and control instructions generation program, the control instructions sent to the hardware circuit through the serial communication. The experimental results show that the device meets the requirements of the laser fuze test equipment.