高高度脉冲压缩雷达高度表设计实现

摘要

The present paper describes the studies on an intra-pulses linear frequency modulation (LFM) and inter-pulses binary phase shift keying (BPSK) compression radar altimeter. The design technology on subsystems is given. Performance verification test including the maximum detection height, IF echo signal, pulse compression test results, and final processed output of signal processor in different geomorphies have been presented. Flight test shows that high altitude pulse compression radar altimeter has superior performance in measuring altitude. All specifications are well in accordance with technical requirements.%　　依据高高度雷达高度表实际应用，给出了基于脉内线性调频脉间二相编码波形的S波段脉冲压缩雷达高度表系统以及子系统的设计实现方法。结合整机性能飞行验证试验，给出了实际地貌条件下接收机、信号处理脉冲压缩输出及其处理结果，并针对试验结果进行分析。试验结果表明，高高度脉冲压缩雷达高度表具有非常高的测高性能，其各项技术指标达到了设计要求。