Results 31 to 40 of about 127,919 (291)
Physical Review Research, 2022 A new class of atomic interferences using ultranarrow optical transitions are pushing quantum engineering control to a very high level of precision for the next generation of sensors and quantum gate operations.
T. Zanon-Willette +4 more
doaj +1 more source
Electronic nose responses and acute phase proteins correlate in blood using a bovine model of respiratory infection [PDF]
, 2010 This study aimed (i) to assess the ability of electronic nose (e-nose) technology to differentiate between blood samples of experimentally infected and non-infected subjects, and (ii) to evaluate e-nose responses given by volatile organic compounds in ...
Chambers, M +9 more
core +1 more source
Time-division-multiplexed interrogation of fibre Bragg grating sensors using laser diodes [PDF]
, 2001 An intensity-based technique for the interrogation of fibre Bragg grating sensors is described. The technique utilizes two longitudinal modes of a single, pulsed laser diode as a dual-wavelength source for grating illumination.
Wilson, A. +2 more
core +1 more source
Sensors, 2022 A large-dynamic-range and high-stability phase demodulation technology for fiber-optic Michelson interferometric sensors is proposed. This technology utilizes two output signals from a 2 × 2 fiber-optic coupler, the interferometric phase difference of ...
Wanjin Zhang +5 more
doaj +1 more source
Absorbance based light emitting diode optical sensors and sensing devices [PDF]
, 2008 The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of ...
O'Toole, Martina +5 more
core +1 more source
Design Guidelines for Sensors Based on Spiral Resonators
Sensors, 2022 Wireless microwave sensors provide a practical alternative where traditional contact-based measurement techniques are not possible to implement or suffer from performance deterioration.
Mahmoud Elgeziry +2 more
doaj +1 more source
Mathematical modelling and experimental validation of electrostatic sensors for rotational speed measurement [PDF]
, 2014 Recent research has demonstrated that electrostatic sensors can be applied to the measurement of rotational speed with excellent repeatability and accuracy under a range of conditions. However, the sensing mechanism and fundamental characteristics of the
Yan, Yong, Wang, Lijuan
core +1 more source
Remote Sensing, 2014 Regional soil moisture distributions and changes are critical for agricultural production and environmental modeling. Currently, hundreds of satellite sensors exist with different soil moisture observation capabilities.
Xiang Zhang +2 more
doaj +1 more source
On-line monitoring of multi-component strain development in a tufting needle using optical fibre Bragg grating sensors [PDF]
, 2014 Dynamic loadings induced on a tufting needle during the tufting of dry carbon fibre preform via a commercial robot-controlled tufting head were investigated in situ and in real-time using optical fibre Bragg grating (FBG) sensors bonded to the needle ...
Staines, Stephen +7 more
core +1 more source
Sensor reduction of a PV‐grid tied system with tripartite control based on LCL filter
IET Energy Systems Integration, 2022 This paper deals with a tripartite control based on LCL‐filter for a single‐stage solar photovoltaic (PV) interconnected three‐phase grid‐tied system. This work proposes a novel tripartite control for LCL‐filter based on sensing capacitor side voltage ...
Khushboo Kumari, Amit Kumar Jain
doaj +1 more source