A interception probability reduction theory by means of substituting randomly staggered pulse sequence for constant PRI pulse sequence is analysised to improve the existence capability of radar in ECM.

• 为了提高雷达在电子对抗中的生存能力，分析了随机脉位调制信号取代等重复周期（PRI）脉冲信号来降低信号被截获概率的原理。