Design and Optimization of Dielectrically-Loaded Wideband Waveguide Polarizer
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- Proceedings of the 2018 IEEE 7th Asia-Pacific Conference on Antennas and Propagation, APCAP 2018, 2018, 00, pp. 329-331
- Issue Date:
- 2018-11-15
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Design_and_Optimization_of_Dielectrically-Loaded_Wideband_Waveguide_Polarizer.pdf | Published version | 110.3 kB |
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We discuss the design and optimization of a dielectrically loaded wideband waveguide polarizer for Ku band applications. The selection of width and permittivity for dielectrics has been considered as a combinatorial mixed variable optimization problem. We used cross-entropy method to obtain the optimal set of permittivity and corresponding width of the dielectric, for which the polarizer gives almost constant differential phase shift within 90°± 0.5° from 10.9 GHz to 14.5 GHz and an axial ratio of 0.1dB. The length of the polarizer is reduced by almost 12%.
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