期刊
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
卷 63, 期 5, 页码 1360-1365出版社
WILEY
DOI: 10.1002/mop.32750
关键词
EBG; fractal; harmonic suppression; impedance matching; microstrip antennas
资金
- CoordenacAo de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
This paper proposes an electromagnetic band gap structure with fractal geometry based on Peano curves to suppress degenerated modes. The simulated results were compared with the measured results, showing that the proposed structure can effectively attenuate and suppress higher-order modes.
In this paper, an electromagnetic band gap structure with fractal geometry based on Peano curves is proposed to suppression of degenerated modes. The geometry is characterized by the inclusion of air slots into the substrate, under the feed line, of a rectangular microstrip patch antenna. The parameters analyzed are the input impedance using the Smith chart, the reflection coefficient (S-11), radiation diagram and the electric field distribution of the propagation modes. The simulated results were compared with the measured results, obtained from manufactured prototypes and show that the proposed structure can be used to attenuate and suppress higher-order modes.
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