模数混合Ku波段侦察机设计与实现

摘要

Ku band reconnaissance receiver based on analog &- digital technology has been produced to meet the requirement of armament test, the system is composed of Ku band Instantaneous Frequency Measurement device. Pulse counter, signal power detector and data acquisition analysis and display components. The modular unit has been used to build the hardware infrastructure to carry out the measurement of frequency, pulse width, pulse repeat frequency and received microwave power, the dual detector is applied to realize microwave pulse measurement, the DSP infrastructure is used to carry out signal acquisition and process, the application software has been developed by Measure Studio develop kit. The key parameters of Ku band signal have been acquired by combination of microwave phase detector and digital signal process , The system has been put into use with stable feature, easy operation and high instantaneous measuring parameters.%针对某型装备试验需求,研制了模数混合Ku波段侦察机,系统包含瞬时频率测量器、极化量化器、脉冲参数计数器、信号功率检测器和数据采集、分析和显示组件；采用模块化结构的频率、脉宽、重频及功率检测电路构建硬件平台,采用双检波器设计实现微波脉冲参数测量,采用DSP架构完成信号采集与处理,采用Measure Studio开发应用程序；微波鉴相器和数字信号处理技术相结合,实现了对Ku波段微波信号关键参数的侦测,该系统已投入实际应用,其性能稳定、操作方便、瞬态参数测量精度高.