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http://dx.doi.org/10.22156/CS4SMB.2020.10.05.030

Range Error of Monopulse Radar according to the Engagement Angle of Cross-Eye Jammer  

Lim, Joong-Soo (Division of Information Communication Technology, Baekseok University)
Chae, Gyoo-Soo (Division of Information Communication Technology, Baekseok University)
Publication Information
Journal of Convergence for Information Technology / v.10, no.5, 2020 , pp. 30-35 More about this Journal
Abstract
In this paper, we analyzed the tracking error for the monopulse radar by controlling the phase difference, amplitude ratio and engagement angle of the cross-eye jammer. Cross-eye jamming is an important jamming method for monopulse radars, which causes a displacement in the radar receiving antenna input and misleads the radar's tracking angle. As a result of analyzing the tracking distance error of the radar while changing the engagement angle between the monopulse radar and jammer, the maximum distance error occurs when the engagement angle is 0° and the phase difference is 180°. It was confirmed that the error decreased to 70% or less of the maximum distance error into 45°~135°. In order to increase the efficiency of jammers, it is necessary to study rotary jammers or multi-channel jammers. This study will be very useful for the design of cross-eye jammers for aircraft and ships.
Keywords
Radar; Phase modulation; Cross-eye; Jamming; Range error;
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Times Cited By KSCI : 7  (Citation Analysis)
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