Michal Pokorny- University of West Bohemia
Michal Pokorny
- University of West Bohemia
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5
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Introduction
Current institution
Publications
Publications (5)
Contemporary beam-forming antenna arrays often use a large number of individual elements, sometimes hundreds or more, to achieve high gain for advanced applications like radar, space communication, and next-gen cellular networks. These arrays are complex and costly due to the need for precise amplitude and phase adjustments across the elements. The...
This article proposes a new branch-line coupler design using two trapezoid-shaped resonators, applied in side and center. The standard 35 and 50 Ohms λ/4 transmission lines (TLs) are attained through the variations of the resonator’s TLs width. Since there are not explicit formulas for the suggested trapezoidal shape resonator, the design procedure...
A radio communication between picosatellite and ground station has not stable conditions during the receiving of signal. The radio link budget is influenced by changes in communication distance, by changes in picosatellite antenna pointing and by several more factors. Therefore the received signal quality is varying as well as theoretical channel c...
