基于LabVIEW的距离波门测试系统设计

The Design of Range Gate Test System Based on LabVIEW

为测试某激光半主动导引头距离波门策略可靠性以及距离波门保持时间,设计了一种基于LabVIEW的导引头距离波门测试系统。该系统由主控计算机、控制器、模拟光源和程控电源四部分组成。以LabVIEW应用程序为核心的主控计算机,提供操作平台,可以创建不同的测试流程进行相应的测试试验;而以FPGA为核心的控制器实现主控计算机与三路被测设备的通讯以及发送精准的同步信号及延迟同步信号的功能。经验证,该系统性能稳定,能够实现多路被控设备的实时控制,完成距离波门策略可靠性以及距离波门保持时间的测试,同步信号时差小于1us,虚拟目标位置误差不超过0.1km,并得到完整的测试数据。

A range gate test system which was designed to test the range gate reliability and retention time of semi-active laser seeker based on LabVIEW.The system consists of master computer,controller,photosource and programmable power supply.The LabVIEW was used as the core of master computer to achieve the following functions,the supply of operating platform,the test of different procedures.The FPGA was used as the control device to achieve the following functions, the communication between master computer and appliances,the sending of accurate synchronization signal and delay synchronization signal.The system has been proved to work stably with great anti-interference performance,achieve to control appliances at the same time,test the range gate reliability and retention time of semi-active laser seeker.The system can get the complete test data and reach the 1us accuracy of synchronization signal and the 0.1km accuracy of the position of vitual target.