Special Aspects of Fixing Interfering Source Located in Close Proximity to Radio-Electronic Equipment with Multi-Channel Receiver and Estimate of Accuracy
https://doi.org/10.32603/1993-8985-2018-21-3-63-70
Abstract
One of the fundamental properties of modern radio electronic equipment (REE) is jammer-induced performance in particular when located near REE, when they significantly affect the parameters of electromagnetic field generated and/or received by REE. One of the ways of antijamming is its rapid detection by REE for elimination purpose. In solving this problem, both the minimum detection time and the accuracy of the noise source location are equally important. In this article, the problem is considered using the example of radar detection with a multi-channel receiving device and thrown noise transmitter located close to its antenna field. The schemes displaying the problem geometry for phase and difference-distance-measuring methods for determining of jammer position are presented. Expressions are formed that determine the area of uncertainty zone when jammer detecting and connection of this value with radar parameters – ranging and azimuth accuracy. The necessity of using expressions free of far zones assumptions with respect to the radar and jammer relative position is explained. Ranging based on the signal received by radar in the mode of circular or sector review is considered. The results obtained confirm the necessity to take into account the distance between the jammer and REE when implementing the basic methods for determining radiation source location.
About the Authors
S. G. Borovikov
Saint Petersburg Electrotechnical University "LETI".
Russian Federation
Russian Federation
Sergey G. Borovikov – Ph. D. in Engineering (2007), Associate Professor of the Department of Radio Electronics Equipment. The author of more than 30 scientific publications. Area of expertise: signal processing algorithms, radar systems.
5, Professor Popov Str., 197376, St. Petersburg
A. A. Ivensky
Russian Air Force MESC "Zhukovsky – Gagarin Air Force Academy" .
Russian Federation
Russian Federation
Andrey A. – postgraduate student of 212 Department of Military Educational and Scientific Centre of Air Force "Zhukovsky – Gagarin Air Force Academy" of the Ministry of Defense of the Russian Federation. The author of 4 scientific publications. Area of expertise: radiolocation.
54A, Staryh Bolshevikov Str., 394064, Voronezh.
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Review
For citations:
Borovikov S.G., Ivensky A.A. Special Aspects of Fixing Interfering Source Located in Close Proximity to Radio-Electronic Equipment with Multi-Channel Receiver and Estimate of Accuracy. Journal of the Russian Universities. Radioelectronics. 2018;(3):63-70. (In Russ.) https://doi.org/10.32603/1993-8985-2018-21-3-63-70
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