Free-space time domain position insensitive technique for simultaneous measurement of complex permittivity and thickness of lossy dielectric samples

Z Akhter, MJ Akhtar - IEEE Transactions on Instrumentation and …, 2016 - ieeexplore.ieee.org
A novel time domain measurement technique is proposed to facilitate the simultaneous
measurement of electrical properties (complex relative permittivity) and geometrical …

Complex permittivity and thickness evaluation of low-loss dielectrics from uncalibrated free-space time-domain measurements

UC Hasar, Y Kaya, H Ozturk, M Izginli… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
A free-space time-domain method is proposed to retrieve dielectric constant (), conductivity
(), and thickness () of metal-backed low-loss dielectric samples using calibration …

Design of a low-cost UWB time-domain radar system for subcentimeter image resolution

R Feghhi, RSC Winter, FM Sabzevari… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The design and development of a hybrid Gaussian pulse radar transceiver, including
transmitter and receiver, is presented. The transmitter is realized using a transistor-based …

Electromagnetic nondestructive material characterization of dielectrics using EBG based planar transmission line sensor

S Subbaraj, VS Ramalingam… - IEEE Sensors …, 2016 - ieeexplore.ieee.org
In this paper, a novel noninvasive electromagnetic method of characterization of the
electrical properties of dielectrics is presented. A planar microstrip transmission line method …

SAGD process monitoring in heavy oil reservoir using UWB radar techniques

D Oloumi, KKM Chan, P Boulanger… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, practical considerations for steam assisted gravity drainage (SAGD) monitoring
using ultra-wideband (UWB) radar are studied. The SAGD process and important factors to …

Remote material characterization with complex baseband FMCW radar sensors

AM Hegazy, M Alizadeh, A Samir, M Basha… - Progress In …, 2023 - jpier.org
This paper presents the theoretical basis and experimental validation for a technique to
remotely characterize materials using FMCW radar sensors with complex baseband …

Ultra-wideband synthetic aperture radar imaging: Theory and applications

D Oloumi - 2016 - era.library.ualberta.ca
Ultra wideband (UWB)-synthetic aperture radars are emerging devices that are ideal for
sensing and imaging applications in many special conditions such as monitoring …

Generalized RF time-domain imaging technique for moving objects on conveyor belts in real time

Z Akhter, AK Jha, MJ Akhtar - IEEE Transactions on Microwave …, 2017 - ieeexplore.ieee.org
In this paper, an attractive time-domain RF imaging technique is proposed for online
monitoring of moving objects over conveyor belts. The proposed technique combines the …

Electromagnetic method for steatotic liver detection using contrast in effective dispersive permittivity

AS Janani, SA Rezaeieh… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Hepatic steatosis is one of the most prevalent chronic liver conditions. Traditional non-
invasive imaging modalities are not suitable for observation and treatment evaluation of this …

Permittivity measurement of liquids, powders, and suspensions using a parallel‐plate cell

A Kordzadeh, N De Zanche - Concepts in Magnetic Resonance …, 2016 - Wiley Online Library
This work describes the measurement of complex permittivity (or dielectric constant) of
powders (water insoluble), solutions, and suspensions using a parallel‐plate capacitor cell …