Journal of Radio Electronics. eISSN 1684-1719. 2025. ¹3

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DOI: https://doi.org/10.30898/1684-1719.2025.3.7

 

 

 

COMPREHENSIVE MATHEMATICAL MODEL FOR ASSESSING THE POSSIBILITY

OF SEARCHING OBJECTS DUE TO DETECTION

OF ONBOARD RADIO ALTIMETER SIGNALS

RE-REFLECTED FROM THE SURFACE BY SPACE VEHICLES

 

A.V. Suhov1, V.I. Filatov2, S.B. Savilkin3

 

1 Moscow Aviation Institute (National Research University)

125993, Russia, Moscow

 

2 Bauman Moscow State Technical University,

105005, Russia, Moscow

 

3 Center of Visualization and Satellite Information Technologies,

FSI Scientific Research Institute of System Analysis of the RAS, 117218, Russia, Moscow

 

The paper was received July 11, 2024.

 

Abstract. The article describes a mathematical model that allows us to estimate the probability of detecting objects by registering a signal re-reflected from the underlying surface. At the same time, the general complex mathematical model consists of three particular models – spatial, temporal and energy. Calculations and results of analytical calculations and statistical modeling are presented. The calculations are based on basic mathematical expressions for calculating radio signals, taking into account the electrodynamic properties of the underlying surface. During the calculations, a special case was considered in which the operation of the radio altimeter was performed over a smooth (according to the Rayleigh criterion) surface, at which a mirror reflection of the radiated radio waves occurred, which, according to the authors, is of the greatest interest.

Key words: reflected radio signal, underlying surface, hazard detection.

Financing: Publication is made as part of the research for SRISA RAS on the topic No. FNEF-2024-0003.

Corresponding author: Savilkin Sergey Borisovich, Savilkin@mail.ru

 

References

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For citation:

Suhov A.V., Filatov V.I., Savilkin S.B. A complex mathematical model for assessing the capabilities of searching for objects by detecting on-board radio altimeter signals reflected from the surface by space means // Journal of Radio Electronics. – 2025. – ¹ 3. https://doi.org/10.30898/1684-1719.2025.3.7 (In Russian)