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http://dx.doi.org/10.22156/CS4SMB.2017.7.5.083

Azimuth Accuracy Test of Phase Comparison Direction Finding Method Using F-16 Fighter Scale-down Model  

Lim, Joong-Soo (Division of Information Communication Eng., Baekseok University)
Chae, Gyoo-Soo (Division of Information Communication Eng., Baekseok University)
Kim, Young-Ho (Division of Information Communication Eng., Baekseok University)
Kim, Kichul (Agency for Defense Development)
Publication Information
Journal of Convergence for Information Technology / v.7, no.5, 2017 , pp. 83-88 More about this Journal
Abstract
This paper describes the azimuth accuracy test of phase comparison direction finding method using F-16 fighter scale-down model. When the antennas are placed on the bottom of a fighter, reflection signals caused by an aircraft structure arises and an azimuth error occurs. In this research, the F-16 fighter scale-down model was made to 5:1, and five antennas were placed on the bottom of the model, then the radio waves of emitters were received by the antennas in the $0-360^{\circ}$ azimuth angles. The accuracy test was performed by numerically analyzing the phases of the radio waves received by the five antennas. The azimuth error of the phase comparison direction finding with scale-down model was measured to be less than $0.5^{\circ}$ when the signal noise ratio was larger then 0dB, and it could be very useful for the design of the phase comparison direction finding method of the fighter.
Keywords
Interferometer; Direction finding; Circular array; Convergence; Scale-down model;
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Times Cited By KSCI : 7  (Citation Analysis)
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