Modeling on Exposed Area of Suppressing Jamming Based on Radar Antenna Beam Pattern

doi:10.3969/j.issn.1000-1093.2021.01.008

Abstract

Abstract: Current radar exposed area model is imprecise as the influnce of antenna beam pattern needs to be considered. In order to implement the optimized penetrating strategy of protected targets, the radar antenna beam pattern was introduced in calculating burn-through distance, and a new radar exposed area model modified by radar antenna beam pattern was built. On basis of analysis of the new model,the penetrating strategy of protected targets when radar is interfered by just one jammer is presented, in which the penetrating direction should be selected at radar antenna sidelobes' maximum. Radar exposed area of moving platform under suppressing jamming of multiple jammers was simulated and analyzed, and a targets penetrating strategy with multiple jammers was built. When an angle between multiple jammer and radar is less than a certain value and equal to the angles corresponding to radar antenna sidelobes' maximum, the radar exposed area has few glitches, which leads to good suppressing effect with wide scope of penetrating direction. The simulated results show that burn-through distance obtained by the proposed model varying with directions is consistent with experimental results.

Key words: suppressingjamming, antennabeampattern, burn-throughdistance, radarexposedarea, penetratingdirection

CLC Number:

TN974

XIA Dong， WANG Shouquan， BAO Zhonghua， CAO Yunhe. Modeling on Exposed Area of Suppressing Jamming Based on Radar Antenna Beam Pattern[J]. Acta Armamentarii, 2021, 42(1): 74-82.

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图12 雷达暴露区随中间变量Δφ变化
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