A. Yu. Grinev1, S. S. Sidorenko2, V. V. Demshevsky3, I. A. Bogachev4, I. A. Sikorskaya5
1, 2 Moscow Aviation Institute (National Research University) (Moscow, Russia)
3–5 JSC «RPC «Istok» named after Shokin» (Fryazino, Russia)

The modular principle of construction of equipment, in which a unified element is taken as the basis (in ESA (AESA) usually this is a subarray block) and on its basis the required aperture of the antenna system is built, can significantly reduce the cost of products, as well as increase manufacturability. In addition, aviation radar systems significantly expand their functionality when using dual-frequency antenna systems with various combinations in the S-, C-, X-, Ku-frequency bands. The foundation of these directions is based on the principles and technical solutions for constructing broadband radiating antenna systems with electronic beam control.

The purpose of the work is to build an electrodynamic model, to carry out numerical simulation and analysis of the characteristics of a quasilogoperiodic dipole emitter with microstrip feeding for use in broadband phased arrays. As a result of the work, the main radio technical characteristics (matching, frequency band, gain, ellipticity factor) of a phased array based on a quasilogoperiodic dipole emitter with microstrip feeding have been obtained. The quasilogoperiodic microstrip fed dipole antenna is a promising type of element for creating a broadband aperture of unified AESA modules and dual-frequency antenna systems with a working band of 40% and a scanning sector of ±45°.

Grinev A.Yu., Sidorenko S.S., Demshevsky V.V., Bogachev I.A., Sikorskaya I.A. Quasilogoperiodic dipole antenna with microstrip feed for broadband ESA. Antennas. 2022. № 6. P. 35–44. DOI: https://doi.org/10.18127/j03209601-202206-02 (in Russian)

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