Journal of Radio Electronics. eISSN 1684-1719. 2026. №3
Full text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2026.3.2
RECONSTRUCTION OF REAL CHARACTERISTICS
OF WIDEBAND ANTENNA
BY REVERSE ENGINEERING
A.S. Dmitriev, V.A. Kalinin, A.V. Uvarov, E.V. Fedorov, F.D. Yakutin
Kotelnikov IRE RAS
125009, Russia, Moscow, Mokhovaya str., 11, b. 7
The paper was received January 21, 2026.
Abstract. The paper proposes an approach to reconstructing the characteristics of commercially available sub-GHz and GHz frequency band antennas based on reverse engineering using electromagnetic modeling packages. The implemented process includes analyzing the manufacturer's source data, constructing and tuning an electromagnetic model, verifying it using available experimental data, and then performing a full simulation. The approach is demonstrated using a planar antenna with a declared operating range of 0.6–6.0 GHz. It is shown that the resulting frequency dependences of VSWR < 2.5–3.0 are in good agreement with experimental measurements, confirming the validity of the constructed model. Using reverse engineering, we obtained radiation patterns and their frequency evolution, which are not available in the manufacturer's documentation. It is established that in this case, there is a significant discrepancy between the calculated directivity characteristics and the manufacturer's data, indicating a difference in the manufacturer's interpretation of the directivity coefficient relative to the standard definition. A conclusion is made about the high efficiency of using reverse engineering in the selection and development of printed antennas with given electrodynamic parameters.
Key words: radio wave radiation, planar antennas, ultra-wideband frequency range, dynamic chaos.
Corresponding author: Dmitriev Alexandr Sergeevich, alexandrdm@bk.ru
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For citation:
Dmitriev A.S., Kalinin V.A., Uvarov A.V., Fedorov E.V., Yakutin F.D. Reconstruction of real characteristics of wideband antenna by reverse engineering. // Journal of Radio Electronics. – 2026. – №. 3. https://doi.org/10.30898/1684-1719.2026.3.2 (In Russian)