Extraction Method for Unique Determination of Complex Permittivity From Graphical Analysis of Natural Frequencies

Extraction Method for Unique Determination of Complex Permittivity From Graphical Analysis of Natural Frequencies

A time-domain free-space extraction procedure is proposed to uniquely determine the relative complex permittivity ϵr(ω) based on two-sets of natural frequencies of a metal- and air-backed dielectric sample. A graphical analysis is applied for evaluating whether unique ϵr(ω) can be extracted by using...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2023-09, Vol.71 (9), p.1-1
Hauptverfasser: Hasar, Ugur C., Ozturk, Gokhan, Kaya, Yunus, Alfaqawi, Mona S. S., Barroso, Joaquim Jose, Ertugrul, Mehmet, Ramahi, Omar M.
Format: Artikel
Sprache:eng
Schlagworte:
Complex permittivity
Dielectric measurement
Dielectrics
Extraction procedures
graphical method
Metals
natural modes
Parameter extraction
Permittivity
Reflection
Resonant frequencies
Signal to noise ratio
Solids
Time-domain analysis
unique solution
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Beschreibung
Zusammenfassung:A time-domain free-space extraction procedure is proposed to uniquely determine the relative complex permittivity ϵr(ω) based on two-sets of natural frequencies of a metal- and air-backed dielectric sample. A graphical analysis is applied for evaluating whether unique ϵr(ω) can be extracted by using such natural frequencies. The method is numerically validated by using two dielectric samples with different ϵ(ω) for the ideal case (no noise) and under the influence of noise with different signal-to-noise ratios.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2023.3287398