dr hab. inż. Rafał Lech
Employment
- Deputy Head of Department at Department of Microwave and Antenna Engineering
- Associate professor at Department of Microwave and Antenna Engineering
Research fields
Social media
Contact
- rafal.lech@pg.edu.pl
Associate professor
- Department of Microwave and Antenna Engineering
- Faculty of Electronics, Telecommunications and Informatics
- Workplace
-
Budynek A Elektroniki
room EA 722 open in new tab - Phone
- +48 58 3486299
- rafal.lech@pg.edu.pl
Deputy Head of Department
- Workplace
-
Budynek A Elektroniki
room EA 722 open in new tab - Phone
- +48 58 3486299
Publication showcase
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A new hybrid method for analysis of scattering from arbitrary configuration of cylindrical objects
Artykuł opisuje nową hybrydową metodę analizy rozpraszania fali elektromagnetycznej od obiektów cylindrycznych o dowolnym przekroju poprzecznym. W prezentowanym podejściu każdy obiekt jest traktowany jako efektywny cylinder o przekroju kołowym, opisany przez macierz impedancyjną. W celu uzyskania owej macierzy zastosowano połączenie metod różnic skończonych w dziedzinie częstotliwości (FDFD) i dopasowania rodzajów (MM). W celu...
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An Analysis of Probe-Fed Rectangular Patch Antennas With Multilayer and Multipatch Configurations on Cylindrical Surfaces
A multi-patch configuration of probe-fed rectangular microstrip antennas mounted on a cylindrical body, with electrically small radius, with an arbitrary number of substrate and superstrate layers is investigated in this paper. A full-wave analysis and a moment-method calculation are employed. A unified procedure for creating proper matrices for the investigated geometry of the structure is outlined here. Numerical results for...
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Efficient Finite Element Analysis of Axially Symmetrical Waveguides and Waveguide Discontinuities
A combination of the body-of-revolution and finite element methods is adopted for full-wave analysis of waveguides and waveguide discontinuities involving angular field variation. Such an approach is highly efficient and much more flexible than analytical techniques. The method is performed in two different cases: utilizing a generalized impedance matrix to determine the scattering parameters of a single waveguide section and utilizing...
Obtained scientific degrees/titles
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2018-10-16
Obtained science degree
dr hab. inż. Electronics (Technology) -
2007-02-27
Obtained science degree
dr inż. Electronics (Technology)
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