基于重要性分布图的合成孔径雷达无源干扰调控方法

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中图分类号：TN958 文献标志码：A 文章编号：1002-4026（2025）06-0010-12

开放科学（资源服务）标志码（OSID）

Apassive jamming control method for synthetic aperture radar

based on importance distribution maps

CHU Weiqin¹，YU Huijuan1*，GU Jie¹，LI Zheng'，XIE Xin²，ZHANG Jialin' （1.Beijing Institute of Space Launch Technology，Beijing 10o076，China;2. University of Electronic Science and Technology of China，Chengdu 611731，China）

Abstract ： Synthetic aperture radar （SAR）is widely employed in geospatial mapping，national defense，and microwave remotesensingdue toitscapabityforhigh-resolutionimaging underall-weather，all-daycondions.Consequently， developing effctive jamming techniques todegrade SAR-based target reconnaissanceand identification has become a riticalchallengeinradarcountermeasureresearch.Thisstudyproposesamethodtogenerateimportancedistribution maps through spatialcoordinate transformation，capturing the spatialrelationshipsandrelativeimportanceof targets within ascene.Basedon this map，a SAR passive jamming control method is developed.A U-Net-based architecture is constructedtodesignadecision-makingalgorithmforradarjammingstrategies，aiming topriortizetheprotectionofcriticaltargetswithminimal resourceexpenditure.Simulationresultsdemonstrate thatthismethodvisualizestheinterference problembyconstructinganimportance distributionmapandusesadvancedartficial intellgencealgorithms forthecontrol anddecision-makingof passivemotion interferencedevices，achievingcolaborativedecision-makingamongmultiple interferecedevicesandsignificantlyenhancingtheinteligence levelof SARpassiveinterference.Acrossifferent scenarios，thealgorithm-generated jammingstrategieseffectivelydisrupt thetargetareas，withjamming strips fuly covering the regions of interest in each case.

Key words ： synthetic aperture radar；passive jamming； importance distribution map

合成孔径雷达（synthetic aperture radar，SAR）作为一种微波传感器，能够穿透水汽云层甚至地表浅层，实现全天时、全天候工作。（剩余10570字）