Results 11 to 20 of about 35,150 (277)

A New Chipless RFID Permittivity Sensor System

open access: yesIEEE Access, 2021
Permittivity sensing is commonly utilized in multiple fields for various applications. In this study, an enhanced RFID (Radio Frequency Identification) permittivity sensor system is designed. Additionally, we investigated the signal processing procedures
Yang Wang   +4 more
doaj   +1 more source

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

open access: yesSensors, 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   +6 more
doaj   +1 more source

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

open access: yesApplied 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   +3 more
doaj   +1 more source

Investigation of textile permittivity under the influence of fever for designing a wearable temperature sensing antenna

open access: yesBiosensors and Bioelectronics: X, 2022
This paper aims to monitor human fever using wearable sensors as a non-invasive and real-time method. Our purpose is based on the use of textile sensors that can be integrated with the person’s clothes.
Sina Rahmani Charvadeh, Javad Ghalibafan
doaj   +1 more source

Measurement of Complex Permittivity for Rapid Detection of Liquid Concentration Using a Reusable Octagon-Shaped Resonator Sensor

open access: yesMicromachines, 2023
Substrate-integrated waveguides (SIWs) are widely used in microwave systems owing to their low cost and ease of integration. In this study, an SIW-based resonator that reacts to the complex permittivity variation of solutions with dimensions of 79.2 mm ×
Chun-He Quan   +2 more
doaj   +1 more source

The Impact of Atmospheric Parameters on the Dielectric Permittivity Values of SikaBlock®-M150 and Other Rigid Polyurethane Foams Measured with a Capacitive One-Side Access Sensor

open access: yesSensors, 2022
A shortage of research on the impact of atmospheric parameters on the measured dielectric permittivity values of rigid polyurethane (PU) foams was identified.
Ilze Beverte   +3 more
doaj   +1 more source

Extremely Sensitive Microwave Sensor for Evaluation of Dielectric Characteristics of Low-Permittivity Materials

open access: yesSensors, 2020
In this paper, an extremely sensitive microwave sensor is designed based on a complementary symmetric S shaped resonator (CSSSR) to evaluate dielectric characteristics of low-permittivity material.
Tanveerul Haq   +5 more
doaj   +1 more source

Highly Sensitive Flexible Pressure Sensors Enabled by Mixing of Silicone Elastomer With Ionic Liquid-Grafted Silicone Oil

open access: yesFrontiers in Robotics and AI, 2021
Developing highly sensitive flexible pressure sensors has become crucially urgent due to the increased societal demand for wearable electronic devices capable of monitoring various human motions.
Zhaoqing Kang   +5 more
doaj   +1 more source

A New Planar Microwave Sensor for Building Materials Complex Permittivity Characterization

open access: yesSensors, 2020
A new microwave sensor is proposed to characterize the complex relative permittivity of building non-magnetic materials and used in the characterization of three concrete samples.
João G. D. Oliveira   +4 more
doaj   +1 more source

Relative Permittivity Measurement of Microliter Volume Liquid Samples through Microwave Filters

open access: yesSensors, 2023
This paper proposes a concept of dielectric characterization of low-volume liquid samples using the coupling coefficient of filters. The concept is validated through a two-pole substrate integrated waveguide filter in which the liquid under test is ...
Azhar Yasin   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy