Results 11 to 20 of about 19,521 (290)
In this paper, a microwave microfluidic sensor based on spoof surface plasmon polaritons (SSPPs) was proposed for ultrasensitive detection of dielectric constant.
Ivana Podunavac +3 more
doaj +2 more sources
In order to solve the low-sensitivity problem of the dielectric constant with the resonant cavity method, a sensor based on a substrate-integrated waveguide structure loaded with a multi-complementary open resonant ring is proposed.
Honggang Hao, Dexu Wang, Zhu Wang
doaj +2 more sources
Chipless Dielectric Constant Sensor for Structural Health Testing [PDF]
A low-cost chipless RFID sensor tag to determine the dielectric properties of materials is presented. The sensor is based on a depolarizing dipole resonator loaded with printed capacitors whose capacitance depends on the permittivity of the material located on contact with the tag. The permittivity is obtained from the shift of the resonance frequency.
Antonio Lazaro +6 more
openaire +5 more sources
An Analytical Method to Implement High-Sensitivity Transmission Line Differential Sensors for Dielectric Constant Measurements [PDF]
A simple analytical method useful to optimize the sensitivity in differential sensors based on a pair of meandered microstrip lines is presented in this paper. Sensing is based on the phase difference of the transmission coefficients of both lines, when such lines are asymmetrically loaded.
Jonathan Munoz-Enano +3 more
openaire +3 more sources
Monitoring the Conditions of Hydraulic Oil with Integrated Oil Sensors in Construction Equipment
Maintenance and reliability are crucial aspects for operating construction equipment in harsh environmental conditions. One of the methods used to improve the maintenance and reliability of construction equipment is oil diagnosis.
Sung-Ho Hong, Hong-Gyu Jeon
doaj +1 more source
Frying Oil Evaluation by a Portable Sensor Based on Dielectric Constant Measurement [PDF]
A portable capacitive sensor was designed to assess frying oil degradation by measuring the changes in electrical capacitance. An interdigital electrode (IDE) was designed to be implemented as the testing probe (as IDEs are resistive to parasitic capacitance), together with an adjacent capacitive chip Pcap01 and a further microprocessor STM32, which ...
Mei Liu +10 more
openaire +2 more sources
Piezoelectric materials selection for sensor applications using finite element and multiple attribute decision-making approaches [PDF]
This paper examines the selection and performance evaluation of a variety of piezoelectric materials for cantilever-based sensor applications. The finite element analysis method is implemented to evaluate the relative importance of materials properties ...
Anuruddh Kumar +5 more
doaj +1 more source
Electromagnetic sensor for measuring the dielectric permeability of materials
Relevance: Problems of control and determination of electrophysical parameters of materials of different physical nature are relevant in terms of the development of express methods of analysis of substances in various fields of science and technology, in
Ye. A. Antonenko +4 more
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Barium monoferrite and M−type hexaferrite with generic formulae BaFe2O4 and BaFe12O19 were synthesized using the sol–gel method by annealing at 1000 °C.
Sarwar Hasan, Bruska Azhdar
doaj +1 more source
CSRR-SICW High Sensitivity High Temperature Sensor Based on Si3N4 Ceramics
A new type of wireless passive, high sensitivity, high temperature sensor was designed to meet the real-time temperature test in the harsh aero-engine environment.
Shujing Su +3 more
doaj +1 more source

