For HPRF PD radar, the characteristic of echo,is analyzed and how to realize precise measurement of extended spectrum of the target is discussed.

• 根据高重频脉冲多普勒雷达的特点,分析了在此条件下的目标回波特性,讨论了如何实现高重频脉冲多普勒雷达对频率展宽信号的精确测量。