Determination of complex permittivity of arbitrarily shaped homogenous materials via waveguide measurements

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Özet

In this study, complex permittivity of arbitrarily shaped homogenous materials loaded in different shaped waveguides (rectangular waveguide and circular waveguide) is determined through an iterative inverse algorithm. S-parameters are calculated for chosen material numerically via Method of Moments (MoM), in place of real measurement data for sake of testing algorithm as a first step. Inverse algorithm depends on calculating transmission-reflection coefficients (two port S-parameters) with respect to updated complex permittivity, started with an initial guess. At each step, calculated S-parameters (either S11 and/or S21) can be used to update complex permittivity in sense of Newton-Raphson numerical approach. Problem is reduced to finding the roots of iterative equation, which is a function of complex permittivity.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığı2017 11th European Conference on Antennas and Propagation, EUCAP 2017
YayınlayanInstitute of Electrical and Electronics Engineers Inc.
Sayfalar696-699
Sayfa sayısı4
ISBN (Elektronik)9788890701870
DOI'lar
Yayın durumuYayınlandı - 15 May 2017
Etkinlik11th European Conference on Antennas and Propagation, EUCAP 2017 - Paris, France
Süre: 19 Mar 201724 Mar 2017

Yayın serisi

Adı2017 11th European Conference on Antennas and Propagation, EUCAP 2017

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???event.eventtypes.event.conference???11th European Conference on Antennas and Propagation, EUCAP 2017
Ülke/BölgeFrance
ŞehirParis
Periyot19/03/1724/03/17

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Publisher Copyright:
© 2017 Euraap.

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