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Journal of the Korea Institute of Military Science and Technology 2008;11(5):92-98.
An Analysis of EA Effectiveness on Dilution Mode Chaff for Heliborne
Joong-Soo Lim
Dilution 모드로 운용되는 채프를 이용한 헬기의 전자방해 효과 분석
임중수
백석대학교/RDRC 센터
Abstract
Chaff is one of important devices for heliborne protection from radars and missiles. When we use a chaff for heliborne protection, J/S(jamming signal of chaff vs reflected signal from heliborne) is important factor to analyze a heliborne survive. When the radial angle between missile and heliborne is changed, J/S of missile receiver is changed and jamming effectiveness of chaff is also changed. We calculate the RCS of chaff and heliborne, and compare the returned signals in a half power beam width of receiver antenna. We analyze chaff dispense modes and specially simulate the effectiveness of a dilution mode chaff between missile and heliborne.
Key Words: Chaff, Heliborne, Jamming, Radar, Dilution Mode, Missile


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