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A new method to determine the complex permittivity and complex permeability of dielectric materials at X-band frequencies

Abstract: This paper presents a simple waveguide measurement technique to determine the complex permittivity and complex permeability of a dielectric material. The dielectric sample is loaded in the transmission line rectangular waveguide WR90. The S-parameters of the waveguide are measured by Network analyzer and calculated as a function of the complex permittivity and complex permeability using theory of transmissions lines. Using the MatLab Optimization Tools, a simple MatLab scripts is written to look for complex permittivity and complex permeability of a dielectric material so as to match the measured and calculated values of S-parameters. The complex permittivity and complex permeability of Teflon, Nylon and Delrin at the X-band frequencies are then determined.

 Fuente: International Journal of Microwave and Optical Technology, 2015, 10 (1), 34-39

 Editorial: Electrical Engineering Department,University of Nevada

 Fecha de publicación: 01/01/2015

 Nº de páginas: 6

 Tipo de publicación: Artículo de Revista

 ISSN: 1553-0396

Autoría

ELMAJID, HASSAN

TERHZAZ, JAOUAD

AMMOR, HASSAN

MOHAMED CHAIBI

ANGEL MEDIAVILLA SANCHEZ