基于信号分析深入细致地研究了红外点源制导的干扰机理，从红外干扰机和红外诱饵这两种主要干扰方式分别分析了对“中心零”系统和圆锥扫描系统（红外点源制导的两种基本跟踪系统）的干扰，并讨论了干扰参数和效能。 Based on the signal analysis, the interference mechanism of infrared point source guidance was studied in detail. Two main interference methods, infrared zero jammer and infrared decoy, were analyzed respectively for “center zero” system and conical scanning system Basic tracking system) interference, and discusses the interference parameters and performance.