Results 11 to 20 of about 6,532,444 (320)

Accurate Estimation without Calibration of the Complex Relative Permittivity of Multilayer Dielectric Material based on the Finite Integration Technique

Engineering, Technology & Applied Science Research, 2023
In this paper, a simple and effective solution is proposed to accurately estimate the complex relative permittivity of individual layers and multilayers of dielectric material samples from the S-parameters measured by two waveguide cells having equal or ...
M. Ho, Trong-Hieu Le
semanticscholar   +1 more source

Correlation Analysis between Complex Relative Permittivity and Temperature for Human Blood

IEEJ Transactions on Electronics, Information and Systems, 2013
Akira Takeda, K. Takata, Hirotomo Nagao, Jianqing Wang, O. Fujiwara   +4 more
semanticscholar   +2 more sources

Design and Fabrication of Modified SMA-Connector Sensor for Detecting Water Adulteration in Honey and Natural Latex

Applied System Innovation, 2021
A detection system for water adulteration in honey is proposed. It consists of a modified SMA-connector sensor and a vector network analyzer. A modified SMA-connector sensor is applied to measure complex relative permittivity, electrical conductivity ...
Adisorn Nuan-On, Niwat Angkawisittpan, Nawarat Piladaeng, Chaiyong Soemphol   +3 more
doaj   +1 more source

Multiphase Dielectric Mixing Model for Concrete Mixtures

IEEE Access, 2023
The advancement of high-power microwave technology has indeed brought about the possibility of E-bombs, also known as electromagnetic pulse (EMP) bombs.
Shereen Farhana, Nasser Qaddoumi, Sherif Yehia   +2 more
doaj   +1 more source

Dielectric Properties of Hydrothermally Modified Potato, Corn, and Rice Starch

Agriculture, 2022
The effect of starch granule sizes, shapes, composition, and frequency on the dielectric properties (dielectric constant, loss factor, and conductivity) of native and hydrothermally modified starches (potato, corn, and rice starch) are investigated in ...
Chong You Beh, Ee Meng Cheng, Nashrul Fazli Mohd Nasir, Mohd Shukry Abdul Majid, Shing Fhan Khor, Mohd Ridzuan Mohd Jamir, Emma Ziezie Mohd Tarmizi, Kim Yee Lee   +7 more
doaj   +1 more source

Complex-structured 3D-printed wireframes as asteroid analogues for tomographic microwave radar measurements

Materials & Design, 2021
This study introduces a fused filament fabrication (FFF) process for manufacturing complex-structured asteroid analogue objects to be applied in tomographic microwave radar measurements and inversion studies. We describe an approach to control the volume
Liisa-Ida Sorsa, Christelle Eyraud, Alain Hérique, Mika Takala, Sampsa Pursiainen, Jean-Michel Geffrin   +5 more
doaj   +1 more source

DUAL COAXIAL PROBES IN TRANSMISSION INSERTED BY DIELECTRIC WITH TWO DIFFERENT THICKNESSES TO EXTRACT THE MATERIAL COMPLEX RELATIVE PERMITTIVITY: DISCONTINUITY IMPACTS

, 2021
After a thorough investigation, this paper introduces a novel and simple radiofrequency material characterization technique. For this study’s purposes, two probes were developed and separated by the sample under test (SUT) with an inhomogeneous test cell.
F. M. Mbango, F. Ndagijimana, and Aubin Lauril Lomanga Okana   +2 more
semanticscholar   +1 more source

Microfluidic Microwave Sensor Loaded with Star-Slotted Patch for Edible Oil Quality Inspection

Sensors, 2022
In this paper, we present a new microfluidic microwave sensor loaded with a star-slotted patch for detecting the quality of edible oil. The relative dielectric permittivity and the quality of edible oil will change after being heated at a high ...
Xueyun Han, Yingping Zhou, Xiaosong Li, Zhongjun Ma, Lei Qiao, Chenghao Fu, Peidong Peng   +6 more
doaj   +1 more source

Broadband Permittivity Characterization of a Substrate Material Using Deep Neural Network Trained With Full-Wave Simulations

IEEE Access, 2022
It is crucial to know the permittivity of dielectric materials used in radio frequency (RF) components and devices because their operation frequency and loss characteristics are significantly affected by the permittivity.
Lihour Nov, Jae-Young Chung, James Park
doaj   +1 more source

Broadband Dielectric Characterization of High-Permittivity Rogers Substrates via Terahertz Time-Domain Spectroscopy in Reflection Mode

Applied Sciences, 2022
We report the dielectric characterization of three commercially available, high-permittivity Rogers laminates in the sub-terahertz range, by means of terahertz time-domain spectroscopy measurements in reflection mode.
Walter Fuscaldo, Francesco Maita, Luca Maiolo, Romeo Beccherelli, Dimitrios C. Zografopoulos   +4 more
doaj   +1 more source