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中文摘要：
首次提出有源干扰和箔条干扰配合使用以提高机载自卫干扰的效果，给出了相应模型。通过对箔条的材质和干扰原理及技术的分析，获得箔条云的雷达截面积数学模型和其干扰功率的数学模型，在不改变有源和无源干扰投放设备、不增加投放箔条数量的前提下，利用有源干扰设备提高了箔条质心干扰的有效反射面积。通过对仿真结果及相应图表的分析，证明了此模型正确有效。
英文摘要：
The chaff jamming is combined with the active jamming to improve the effect of airborne self-screening jamming, and the relevant model is first introduced. The calculation of radar cross-section and jamming power on chaff cloud is deduced based on the analysis of the chaff＇s material and the jamming theory and technique. In the same case of equipments and quantity, the effective cross-section of chaff centroid jamming is improved by active jamming. Based on the analysis of simulation results and corresponding charts, the model is proved correct and effective.
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