Results 41 to 50 of about 8,131,726 (133)

Effect of the Detector Width and Gas Pressure on the Frequency Response of a Micromachined Thermal Accelerometer

open access: yesMicromachines, 2011
In the present work, the design and the environmental conditions of a micromachined thermal accelerometer, based on convection effect, are discussed and studied in order to understand the behavior of the frequency response evolution of the sensor. It has
Johann Courteaud   +3 more
doaj   +1 more source

Scheme of Dynamic Equivalence for Regional Power Grid Considering Multiple Feature Constraints: A Case Study of Back-to-Back VSC-HVDC-Connected Regional Power Grid in Eastern Guangdong

open access: yesEnergies
As the global energy system accelerates its transition towards high penetration of renewable energy and high penetration of power electronic devices, regional power grids have undergone profound changes in their structural forms and component composition
Yuxuan Zou   +5 more
doaj   +1 more source

Simulation of dielectric frequency response of transformer insulation system

open access: yes, 2013
Frequency domain spectroscopy has been widely used to monitor the condition of insulation system in power transformers. For a core type of transformer, a simplified XY model of a duct has been developed which allows one to examine the contribution from ...
Yu, Guo, Chen, George
core   +1 more source

Low frequency detection in clinical multispectral optoacoustic tomography

open access: yesPhotoacoustics
Frequency response characterization of optoacoustic (photoacoustic) detectors is critical because the signals are broadband, and the center frequency relates to the absorber size.
Maximilian Bader   +3 more
doaj   +1 more source

THE CORRELATED TRACK RECEIVER OF TONE TRACK CIRCUITS

open access: yesNauka ta progres transportu, 2011
The work is devoted to further improvement of processing algorithm of checking signals of rail line. The simulation modeling of correlation track receiver of tone rail circuits has been executed; the benchmark analysis of correlation receiver and direct ...
K. V. Goncharov
doaj  

Nanoporous Gold as a VOC Sensor, Based on Nanoscale Electrical Phenomena and Convolutional Neural Networks

open access: yesSensors, 2020
Volatile organic compounds (VOCs) are prevalent in daily life, from the lab environment to industrial applications, providing tremendous functionality but also posing significant health risk.
Timothy S.B. Wong, Roger Newman
doaj   +1 more source

Analysis of Second-Order HPF and LPF Circuit Simulations as Digital Signal Amplification Filters

open access: yesEmitor: Jurnal Teknik Elektro
The writing of this paper focuses on describing and relating simple modeling and analysis to the simulation of High-PassFilter (HPF) and Lowpass filter (LPF) designs using Op-Amp, which previously used an analog system and then converted into a digital ...
Pascal Siregar   +4 more
doaj   +1 more source

Influence of the Spatial Dimensions of Ultrasonic Transducers on the Frequency Spectrum of Guided Waves

open access: yesSensors, 2017
Ultrasonic guided wave (UGW)-based condition monitoring has shown great promise in detecting, localizing, and characterizing damage in complex systems. However, the application of guided waves for damage detection is challenging due to the existence of ...
Vykintas Samaitis, Liudas Mažeika
doaj   +1 more source

Frequency Response from wind turbines

open access: yes, 2022
Analisi della risposta di frequenza in caso di sbilanciamento di potenza da parte delle turbine eoliche, nel sistema elettrico del Regno Unito (UK) al 2020.
Roman, Alessandro
core  

Using electric vehicle fleet as responsive demand for power system frequency support [PDF]

open access: yes, 2013
Based on conventional car driving patterns, it has been recognized that typically a car remains stationary for 95% of the time, only being driven on the road for the remaining 5% of that time on average.
Lei Wu   +7 more
core   +3 more sources

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