Development of a direct penetrating signal compensator in a distributed reception channel of a surveillance radar

Authors

DOI:

https://doi.org/10.15587/1729-4061.2021.228133

Keywords:

air object, suppression, direct penetrating signal, external radiation source, radar

Abstract

General structure of a compensator of a direct penetrating signal in the diversed reception channel was developed. It is advisable to use the antenna and the receiver of the auxiliary diverted reception channel as an auxiliary antenna and an auxiliary channel. To be able to suppress the penetrating signal in the band of the receiving device of the surveillance radar, distance between the antennas should be up to 6 m. In general, the compensator of the penetrating signals should contain an adder in which the signals received by the main channel are added with the signals received by the auxiliary channel and sent through the amplifier with a corresponding complex transmission coefficient. The direct penetration signal compensator features the obligatory condition of adjusting the value of the complex transmission coefficient of the auxiliary channel signal amplifier.

The direct penetration signal compensator is digital and uses the direct method of forming weighting coefficients without the use of feedback. To reduce the time of formation of weighting coefficients when using direct methods of calculation of the correlation matrix, the technology of parallel computational processes was used.

The quality of operation of the direct penetrating signal suppression system in the diverted reception channel was evaluated. It was established that without the use of suppression of direct penetrating signals, their powerful response at the output of the matched filter mask weak echo signals. When using a direct penetrating signal in the main channel of the compensator, its response at the output of the matched filter is significantly reduced. This makes it possible to observe weak echoes against the background of a strong penetrating signal. The use of the developed direct penetrating signal compensator provides suppression of the direct penetrating signal from 57 dB to 70 dB

Author Biographies

Hennadii Khudov, Ivan Kozhedub Kharkiv National Air Force University

Doctor of Technical Sciences, Professor, Head of Department

Department of Radar Troops Tactic

Serhii Yarosh, Ivan Kozhedub Kharkiv National Air Force University

Doctor of Military Sciences, Professor

Department of Anti-Aircraft Missiles Tactic

Oleksandr Droban, Hetman Petro Sahaidachnyi National Army Academy

PhD, Head of Department

Department of Rocket Artillery Armament

Oleksandr Lavrut, Hetman Petro Sahaidachnyi National Army Academy

Doctor of Technical Sciences, Associate Professor

Department of Tactics

Yurii Hulak, National Defence University of Ukraine named after Ivan Cherniakhovskyi

PhD, Associate Professor

Department of Troop Control

Ivan Porokhnia, National Defence University of Ukraine named after Ivan Cherniakhovskyi

Lecturer

Department of Information Technology and Information Security Employment

Serhii Yarovyi, Ivan Kozhedub Kharkiv National Air Force University

PhD, Senior Lecturer

Department of Combat Use of Radar Armament

Alexandr Rogulia, Ivan Kozhedub Kharkiv National Air Force University

Senior Researcher

Scientific Organizational Department

Iryna Yuzova, Civil Aviation Institute

PhD, Lecturer

Department of Information Technologies

Rostyslav Khudov, V. N. Karazin Kharkiv National University

Department of Theoretical and Applied Informatics

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Published

2021-04-30

How to Cite

Khudov, H., Yarosh, S., Droban, O., Lavrut, O., Hulak, Y., Porokhnia, I., Yarovyi, S., Rogulia, A., Yuzova, I., & Khudov, R. (2021). Development of a direct penetrating signal compensator in a distributed reception channel of a surveillance radar . Eastern-European Journal of Enterprise Technologies, 2(9 (110), 16–26. https://doi.org/10.15587/1729-4061.2021.228133

Issue

Vol. 2 No. 9 (110) (2021): Information and controlling system

Section

Information and controlling system

License

Copyright (c) 2021 Геннадій Володимирович Худов, Сергій Петрович Ярош, Олександр Миколайович Дробан, Олександр Олександрович Лаврут, Юрій Степанович Гулак, Іван Миколайович Порохня, Сергій Володимирович Яровий, Олександр Васильович Рогуля, Ірина Юріївна Юзова, Ростислав Геннадійович Худов

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