Results 11 to 20 of about 243,771 (295)
An Inkjet Printed Chipless RFID Sensor for Wireless Humidity Monitoring [PDF]
, 2017 A novel chipless RFID humidity sensor based on a finite Artificial Impedance Surface (AIS) is presented. The unit cell of the AIS is composed of three concentric loops thus obtaining three deep and high Q nulls in the electromagnetic response of the tag.
Borgese, Michele +4 more
core +2 more sources
Micromachines, 2022 Electrode structure is an essential factor affecting the performance of flexible humidity sensors. In this study, Cu and Cu2 + 1O electrodes were printed by the one-step method using laser direct writing technology to reduce the nano–CuO ink on flexible ...
Jipeng Zhao +3 more
doaj +1 more source
Sensors, 2013 This paper describes the design and implementation of a radiosonde which can measure the meteorological temperature, humidity, pressure, and other atmospheric data.
Yadong Wang +5 more
doaj +1 more source
The capability of capacitive sensors in the monitoring relative humidity in hypogeum environments [PDF]
, 2018 Hypogeum environments are characterized by high levels of relative humidity (RH). Most humidity sensors currently in use are based on the capacitive effect of the dielectric material to change according to water vapour uptake.
Caratelli, A, Frasca, F, Siani, Am
core +1 more source
A Surface Micromachined CMOS MEMS Humidity Sensor
Micromachines, 2015 This paper reports a CMOS MEMS (complementary metal oxide semiconductor micro electromechanical system) piezoresistive humidity sensor fabricated by a surface micromachining process.
Jian-Qiu Huang +3 more
doaj +1 more source
Use of polyethylene glycol coatings for optical fibre humidity sensing [PDF]
, 2008 Humidity induced change in the refractive index and thickness of the polyethylene glycol (PEG) coatings are in situ investigated for a range from 10 to 95%, using an optical waveguide spectroscopic technique.
B. D. Gupta +31 more
core +2 more sources
Review of Optical Humidity Sensors [PDF]
Sensors, 2021 Optical humidity sensors have evolved through decades of research and development, constantly adapting to new demands and challenges. The continuous growth is supported by the emergence of a variety of optical fibers and functional materials, in addition to the adaptation of different sensing mechanisms and optical techniques.
Xing Rao +8 more
openaire +3 more sources
Photonic Sensors, 2019 The straight channel optical waveguide coated with the SnO2 nanoparticle is studied as an all-optical humidity sensor. The proposed sensor shows that the transmission loss of the waveguide increases with increasing relative humidity (RH) from 56% to 90 ...
Nur Abdillah Siddiq +5 more
doaj +1 more source
Titanium Dioxide Nanoparticle Humidity Microsensors Integrated with Circuitry on-a-Chip
Sensors, 2014 A humidity microsensor integrated with a readout circuit on-a-chip fabricated using the commercial 0.18 μm CMOS (complementary metal oxide semiconductor) process was presented.
Yu-Chih Hu +2 more
doaj +1 more source
Expert system for campus environment indexing in wireless sensor network [PDF]
, 2016 Wireless sensor network can deliver environment data in campus area as CO, NO2, HC, particulate matter, temperature, humidity, and luminous intensity to provide accurate realtime data.
Nurhayati, Oky Dwi +3 more
core +1 more source