Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Implementation of VGPO/VGPI Velocity Deception Jamming Technique using Phase Sampled DRFM

위상 샘플방식 DRFM을 이용한 VGPO/VGPI 속도기만 재밍기법 구현

  • Kim, Yo-Han (Electronic Warfare R&D Center, LIG Nex1 Co.,Ltd.) ;
  • Moon, Byung-Jin (Electronic Warfare R&D Center, LIG Nex1 Co.,Ltd.) ;
  • Hong, Sang-Guen (Electronic Warfare R&D Center, LIG Nex1 Co.,Ltd.) ;
  • Sung, Ki-Min (Electronic Warfare R&D Center, LIG Nex1 Co.,Ltd.) ;
  • Jeon, Young-Il (Electronic Warfare R&D Center, LIG Nex1 Co.,Ltd.) ;
  • Na, In-Seok (Electronic Warfare R&D Center, LIG Nex1 Co.,Ltd.)
  • Received : 2021.06.01
  • Accepted : 2021.06.15
  • Published : 2021.07.31
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Abstract

In modern warfare, the importance of electronic warfare, which carries out a mission that using radio wave to find out enemy information or to protect ally information, has increased. Radar jamming technique is one of the most representative techniques of EA(Electronic Attack), it disturbs and deceives enemy radar system in order to secure ally location information. Velocity deception jamming technique, which is one of the radar jamming techniques, generally operate against pulse-doppler radar which use doppler effect in order to track target's velocity and location. Velocity Deception Jamming Technique can be implemented using DRFM(Digital Radio Frequency Memory) that performs Frequency Modulation. In this paper, I describe implementation method of VGPO/VGPI(Velocity Gate Pull-Off/Pull-In) velocity deception jamming technique using phase-sampled DRFM, and verify the operation of VGPO/VGPI velocity deception jamming technique with board test under signal injection condition.

현대전에서는 전파를 이용하여 적의 정보를 알아내거나, 적이 탐지하려는 아군 정보를 보호하는 임무를 수행하는 전자전 분야의 중요성이 증가하고 있다. 전자전 분야의 대표적인 전자공격 방법 중 하나인 레이다 재밍기법은 적 레이다를 교란 및 기만하여 아군의 위치 정보가 노출되는 것을 방지한다. 레이다 재밍기법 중 하나인 속도기만 재밍기법은 도플러효과를 이용하여 표적의 속도와 위치를 추적하는 펄스 도플러 레이다를 대상으로 사용된다. 속도기만 재밍기법은 DRFM (Digital Radio Frequency Memory)을 이용하여 수신신호를 주파수 변조해서 송신하는 방법으로 구현할 수 있다. 본 논문은 위상 샘플방식 DRFM을 이용하여 속도기만 재밍기법 중 하나인 VGPO/VGPI 재밍기법을 구현하는 방안을 기술하고, 제작한 보드를 통해서 주입신호 환경 하에서 VGPO/VGPI 재밍기법의 동작을 검증하였다.

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References

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