T.A. Mirtalibov1, S.V. Kharalgin2, N.P. Kolesnikov3, B.V. Khlopov4

1 «Almaz-Antey» Corp. (Moscow, Russia) 

2−4 JSC «Central radio-research institute named after academician A.I. Berg» (Moscow, Russia)

Problem statement. For most cases, the distortion of the information coming from the direction finder output, or its complete loss, leads to the impossibility of performing the assigned task by the radio-electronic system. Among the main ways of creating interference to passive phase direction finding systems, false target jamming created from several spatial points is distinguished. Such twoposition false target jamming distorts the phase front of the wave, which is information for the phase direction finder. From the point of view of current research, the possibility of modifying the phase direction finder and developing a digital processing algorithm with acceptable selective properties under the influence of false target jamming is of interest.

Goal. Providing selection of electromagnetic fields according to the direction of arrival against the background of false target jamming in a single-base phase direction finder with bipolarization processing.

Results. The influence of simulation interference on the phase direction finding system is evaluated. The efficiency of the algorithm was evaluated. The evaluation of methods that allow for spatial selection in a phase direction finder is carried out. An algorithm for signal processing has been developed, with the help of which the spatial selection of sources of false target jamming is carried out. Practical significance. The developed spatial selection algorithm makes it possible to increase the resolution of the phase direction finder when determining the direction of radio sources against the background of false target jamming.

Mirtalibov T.A., Kharalgin S.V., Kolesnikov N.P., Khlopov B.V. Method of polarization selection of radio sources with false target jamming in the phase direction finding system. Radiotekhnika. 2021. V. 85. № 12. P. 42−51. DOI: https://doi.org/10.18127/j00338486-202112-03 (In Russian)

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