RECONSTRUCTION OF INHOMOGENEOUS DIELECTRICS AT MICROWAVE FREQUENCIES | Zendy

Mohammad KhalajAmirhosseini | Zendy

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RECONSTRUCTION OF INHOMOGENEOUS DIELECTRICS AT MICROWAVE FREQUENCIES

Author(s) -

Mohammad KhalajAmirhosseini

Publication year - 2007

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier07080202

Subject(s) - microwave , dielectric , materials science , acoustics , physics , computer science , optoelectronics , telecommunications

The transmission line techniques are generalized to measure the permittivity function of one-dimensional inhomogeneous dielectrics. A rectangular waveguide is used and the dielectric slab under test is placed at the input flange of it. Then the measured scattering parameters or the short-circuited reflection coefficient are used to extract the permittivity function of dielectric. To solve the problem an optimization-based procedure is used. The usefulness of the proposed method is verified using a comprehensive example.

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