机载雷达有源干扰扇面分析与估算

有效干扰扇面是指在干扰扇面内最小干扰距离上干扰信号应能压制雷达目标回波信号的扇面,是电子干扰系统重要战术指标之一。建立了机载有源压制干扰下雷达有效干扰扇面的计算模型。在对雷达方向图合理简化的基础上,推导出更加精确的干扰扇面和有效干扰扇面的估算公式。针对机载电子干扰设备的三种典型运用方式进行了分析和计算机仿真,得到了有效干扰扇面与干扰距离及目标到雷达距离的关系,可以为干扰机的部署和飞机突防提供理论依据。

Analysis and Estimation of Airborne Radar Active Jamming Sector

Effective jamming sector is one of the important tactical indexes in electronic interfere system, which refers to the sector within jamming sector where jamming signal should be able to cover up radar echo signal at the minimum interference distance. A mathematical model is built for calculating the radar effective jamming sector under airborne active pressing jamming in this paper. The more precise computation formulas of jamming sector and effective jamming sector based on simplifying the radar pattern. According to three op- eration models of airborne jamming equipment, analysis and simulation are made to acquire the relation about effective jamming sector and the distance between target and radar, which can provide the theory for the air- borne jammer disposition and aircraft penetration.