boykachev-p 1

1. Drone direction estimation: phase method with two-channel direction finder
2. Evaluation of the possibility of using an antenna switch with a wideband matching device
3. Study of the characteristics of broadband matching antennas for fifth-generation mobile communications based on new composite materials
4. Method for design and implementation of telecommunication devices for aircraft
5. Using modified Chebyshev functions for approximation in 5G technologies
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