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Continuous and Stable Cross-Eye Jamming via a Circular Retrodirective Array

1
College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China
2
School of Electronic and Communication Engineering, Sun Yat-sen University, Shenzhen 518107, China
3
Beijing Huahang Radio Measurement Institute, Beijing 100013, China
*
Authors to whom correspondence should be addressed.
Electronics 2019, 8(7), 806; https://doi.org/10.3390/electronics8070806
Received: 27 May 2019 / Revised: 15 July 2019 / Accepted: 17 July 2019 / Published: 19 July 2019
(This article belongs to the Section Microwave and Wireless Communications)
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Abstract

Cross-eye jamming is an angular deception jamming technique against monopulse radar. Multiple-element retrodirective cross-eye jamming (MRCJ) as an improved method, uses a retrodirective antenna array with multiple antenna elements in a cross-eye jammer and can obtain better jamming performance. However, the practical MRCJ system employing a linear antenna array becomes ineffective when the threat radar appears in the antenna array’s end-fire direction. To meet multiple threats from different directions and provide continuous jamming, MRCJ employing a circular antenna array (C-MRCJ) is proposed after defining the modulation direction of system parameters. Optimal configuration of C-MRCJ providing stable jamming performance is discussed. The number of the jammer loops is analyzed under considerable jamming performance and moderate hardware cost. View Full-Text
Keywords: Electronic Countermeasure (ECM); Electronic Warfare (EW); angular deception jamming; radar jamming; cross-eye jamming Electronic Countermeasure (ECM); Electronic Warfare (EW); angular deception jamming; radar jamming; cross-eye jamming
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Liu, T.; Wei, X.; Liu, Z.; Guan, Z. Continuous and Stable Cross-Eye Jamming via a Circular Retrodirective Array. Electronics 2019, 8, 806.

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