Direct permittivity reconstruction from power measurements using a machine learning aided method

T Mosavirik, V Nayyeri, M Hashemi… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
A machine learning aided (MLA) method is employed for the direct permittivity retrieval of
dispersive and non-dispersive materials. The method requires low-cost measurements since …

Accuracy-improved and low-cost material characterization using power measurement and artificial neural network

T Mosavirik, M Hashemi, M Soleimani… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
A machine learning (ML) approach is proposed to provide an accurate retrieval of the
dielectric properties of materials. In our earlier work, based on a semi-analytic solution of …

Permittivity characterization of dispersive materials using power measurements

T Mosavirik, M Soleimani, V Nayyeri… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents an inexpensive transmission line (TL) approach to reconstruct the
dielectric properties of dispersive and non-dispersive materials, with low or high loss. This …

Permittivity reconstruction of nondispersive materials using transmitted power at microwave frequencies

SH Mirjahanmardi, AM Albishi… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents a dielectric characterization method based on transmitted power
measurements in the microwave regime for nondispersive materials. The method can …

Simple and inexpensive microwave setup for industrial based applications: Quantification of flower honey adulteration as a case study

UC Hasar, H Hasar, H Ozturk, H Korkmaz, Y Kaya… - Scientific Reports, 2024 - nature.com
A simple and inexpensive microwave measurement setup based on measurements of
magnitudes of transmission properties (| S 21| dB) is proposed for industrial-based …

Complex permittivity measurement of low-loss anisotropic dielectric materials at hundreds of megahertz

C Li, C Wu, L Shen - Electronics, 2022 - mdpi.com
Resonant methods are well known for their accuracy in determining the complex permittivity
of materials. However, to guarantee the accuracy, interference modes must be suppressed …

A split meander line resonator-based permittivity and thickness sensor design for dielectric materials with flat surface

O Altintas, M Aksoy, E Unal, F Karakasli… - Journal of Electronic …, 2018 - Springer
A metamaterial-based permittivity and thickness sensor structure for dielectric substrate
material has been proposed at the X band frequency regime. The sensor structure is …

Material characterization using power measurements: Miracle of machine learning

T Mosavirik, M Hashemi, M Soleimani… - 2021 51st European …, 2022 - ieeexplore.ieee.org
This paper introduces a machine learning (ML) measurement method to retrieve the
complex permittivity profile of dispersive and non-dispersive materials with high or low loss …

Determination of propagation constants and wave impedance of non-reciprocal networks from position-insensitive waveguide measurements

UC Hasar, Y Kaya, M Izginli, H Ozturk… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
A microwave method is proposed to determine the forward and backward propagation
constants (and) and the wave impedance () of reciprocal and non-reciprocal microwave …

Feasible Extraction Method for Permittivity Determination of Reflection-Asymmetric Structures

UC Hasar, H Ozturk - IEEE Transactions on Microwave Theory …, 2024 - ieeexplore.ieee.org
A feasible, yet accurate, extraction method is proposed for permittivity determination of a low-
loss material positioned on a substrate material using reference-plane-invariant (RPI) …