Aimed at the clutter overlap of PD system applied to the ground-based low altitude radar,a designing method of a different PRF with respect to each interval of scanning time was proposed.

• 针对地面低空雷达应用PD体制的杂波重叠问题；提出了分时分重频的设计方法.；该方法无距离模糊；既可以采用足够高PRF方式获得更强的杂波抑制性能；又有效地克服了杂波重叠的不利影响