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  5. An improvement of the method for calculation security of radiolocation stations from active jamming in the radio engineering's troops

An improvement of the method for calculation security of radiolocation stations from active jamming in the radio engineering's troops

V. Klimchenko, V. Lupandin, S. Zakirov
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Description: The analysis of existed security metrics of radiolocation stations from active noises in radio engineering's troops was made. It was used the concept of equivalent source of noises for selected methods. The limitations of the conditions for the usage such metrics was proved. The using of the notion of an equivalent interference source, which is understood as an obstacle designer at a height 3 km and on f distance 100 km from the radar station and radiates interference with a given spectral power, for the disadvantage of assessing the effectiveness protection of radars by radio troops from active jamming disturbances, that the indicated figure can not be used in the formulation of obstacles by other means and methods. In this article is described the per-missible spectral density of power, which is created in the point of standing of radar station by any means of generating the ob-stacles is uniquely determined only by the technical parameters of radar station and acceptable coefficient of compression of the target detection zone. It is proposed to introduce a new metric as the spectral power flux density at the point of radar standing, at which the permissible compression of the target detection zone occurs. The proposed metric is peculiar only for a given type of radar and does not depend on the means by which the spectral density of the power flow is created. Methods for calculating the allowable spectral density of the power flow are given, provided that interference is produced by actual jammers and subject to the creation of the desired interference environment using ground-based interference simulators. During calculations the spectral density of power flow created by the aircraft-designers of active noise in the point of standing of radar station, it is necessary to take into account not only the parameters of device of active jamming, but also the height of installation of the electric center of antenna of radar station and the reflecting properties of underlying surface. This article includes practical orientation and can use during training planning with using of active jamming.


Keywords: radar stations, active jamming, interference, power spectral density, power flux spectral density

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Reference:
 Klymchenko, V.Y., Lupandin, V.A. and Zakirov, S.V. (2019), “Udoskonalennia metodyky rozrakhunku zakhyshchenosti ohliadovykh radiolokatsiinykh stantsii radiotekhnichnykh viisk vid aktyvnykh shumovykh pereshkod” [An improvement of the method for calculation security of radiolocation stations from active jamming in the radio engineering's troops], Science and Technology of the Air Force of Ukraine, No. 1(34), pp. 51-57. https://doi.org/10.30748/nitps.2019.34.07.