Journal of Radio Electronics. eISSN 1684-1719. 2025. ¹8

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DOI: https://doi.org/10.30898/1684-1719.2025.8.11

 

 

 

Modeling of electrically small

medium-wave antennas

 

V.S. Panko 1, A.A. Erokhin 1, A.G. Andreev 1, K.V. Knyazeva 1,

A.V. Kosolapov 2, S.B. Nelipa 2

 

1 Siberian Federal University

660074, Krasnoyarsk, st. Kirenskogo, 28

2 Joint Stock Company “Scientific production enterprise “Radiosviaz”

660021, Krasnoyarsk, st. Dekabristov, 19

 

The paper was received April 10, 2025.

 

Abstract. The fundamental technical requirements for receiving antennas in a medium-wave radio navigation system encompass two critical performance parameters: maintaining uniform frequency characteristics across the system's operational bandwidth and achieving an acceptable gain coefficient toward the horizon. However, these requirements present intrinsic engineering challenges and inherent trade-offs. For example, increasing the antenna gain requires increasing its dimensions. The antenna matching to provide resonance at the central frequency of the navigation system significantly increases the realized gain, and at the same time makes the amplitude and phase frequency response uneven. Consequently, the primary research objective is to develop an antenna configuration that strategically balances these competing performance requirements. In the context of practical implementation, the present study utilized a reference antenna height of 6 meters as a pragmatic engineering solution, representing a compromise between operational effectiveness and structural constraints.

Key words: electrically small antenna, monopole, folded unipole, matching, group delay, radio navigation system, medium waves.

Financing: The work was supported by Krasnoyarsk Regional Fund of Science and Technology Support within the scientific project No. 20240924-08494 «Study of ground plane influence on radio navigation signal propagation paths on the accuracy of measuring radio navigation parameters in terrestrial radio navigation systems»

Corresponding author: Erokhin Aleksei Aleksandrovich, aerokhin@sfu-kras.ru

 

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For citation:

Panko V.S., Erokhin A.A., Andreev A.G., Knyazeva K.V., Kosolapov A.V., Nelipa S.B. Modeling of electrically small medium-wave antennas // Journal of Radio Electronics. – 2025. – ¹. 8. https://doi.org/10.30898/1684-1719.2025.8.11 (In Russian)