Devising a method for detecting an aerial object by radar with an additional channel of passive reception

Authors

DOI:

https://doi.org/10.15587/1729-4061.2024.313161

Keywords:

active radar, passive channel, conditional probability of correct detection, aerial object

Abstract

The object of this paper is the process of detecting an aerial object by a radar with active and passive reception channels. The main hypothesis of the study assumed that the introduction of an additional channel of passive reception would increase the conditional probability of correct detection at a fixed value of the conditional probability of false alarms.

When detecting an aerial object, it was considered that the signals from aerial object represent a reflected signal after being emitted by the active radar channel elemitted own radio signals. A radar with active and passive reception channels assumes the presence of two channels. The active location channel provides reception of signals reflected from an aerial object, their processing and detection according to the Neumann-Pearson criterion. The passive location channel functions according to the principle of panoramic spectral analysis based on windowed Fourier transforms. The information combining device is intended for the compatible combining of information from active and passive channels of radar reception. At the output of the passive location channel, an output signal is formed, and the coordinates of the aerial object are measured. To ensure the functioning of the radar with active and passive reception channels, it is necessary to ensure the time synchronization of the reception channels.

The quality of detection of aerial objects by radar with active and passive signal reception channels was evaluated. The quality indicator defines the conditional probability of correct detection. The dependences of the conditional probability of correct detection are given for a radar with only an active reception channel and a radar with active and passive reception channels. It was established that the introduction of an additional channel of passive reception to the radar increases the conditional probability of correct detection by an average of (20–40) %, depending on the signal-to-noise ratio.

Author Biographies

Hennadii Khudov, Ivan Kozhedub Kharkiv National Air Force University

Doctor of Technical Sciences, Professor, Head of Department

Department of Radar Troops Tactic

Ivan Trofymov, Ivan Kozhedub Kharkiv National Air Force University

PhD, Senior Researcher, Professor

Department of Radar Troops Tactic

Iurii Repilo, The National University of Defense of Ukraine

Doctor of Military Sciences, Professor

Department of Missile Troops and Artillery

Oleksandr Makoveichuk, Kharkiv National University of Radio Electronics

Doctor of Technical Sciences, Associate Professor

Department of Computer Sciences and Software Engineering

Viktor Tkachenko, Ivan Kozhedub Kharkiv National Air Force University

Doctor of Military Sciences, Professor, Leading Researcher

Research Department of the Air Force

Denys Kotov, Odessa Military Academy

PhD, Associate Professor

Department of Automotive Engineering

Valya Gridina, Ivan Kozhedub Kharkiv National Air Force University

Senior Researcher

Department of Anti-Aircraft Missile Forces Tactic

Maksym Herda, Defence Intelligence Research Institute

PhD, Leading Researcher

Scientific-Organizational Department

Vitalii Kryvosheiev, The National University of Defense of Ukraine

PhD, Associate Professor

Command Control Department

Mikola Shvets, The National University of Defense of Ukraine

Postgraduate Student

Command Control Department

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Devising a method for detecting an aerial object by radar with an additional channel of passive reception

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Published

2024-10-23

How to Cite

Khudov, H., Trofymov, I., Repilo, I., Makoveichuk, O., Tkachenko, V., Kotov, D., Gridina, V., Herda, M., Kryvosheiev, V., & Shvets, M. (2024). Devising a method for detecting an aerial object by radar with an additional channel of passive reception . Eastern-European Journal of Enterprise Technologies, 5(9 (131), 28–35. https://doi.org/10.15587/1729-4061.2024.313161

Issue

Vol. 5 No. 9 (131) (2024): Information and controlling system

Section

Information and controlling system

License

Copyright (c) 2024 Hennadii Khudov, Ivan Trofymov, Iurii Repilo, Oleksandr Makoveichuk, Viktor Tkachenko, Denys Kotov, Valya Gridina, Maksym Herda, Vitalii Kryvosheiev, Mikola Shvets

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