Results 71 to 80 of about 506,254 (285)
Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]
, 2006 In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Jorge Ramirez +3 more
core +3 more sources
, 2010 Electrical impedance spectroscopy is a non-invasive and label free technique that allows for rapid counting and characterisation of particles in suspension based on their response to applied AC potentials. In recent years, lab-on-a-chip technologies have
Bernabini, Catia
core +1 more source
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
A comparison of impedance boundary conditions for flow acoustics [PDF]
, 2013 Acoustic liners remain a key technology for reducing community noise from aircraft engines. The choice of optimal impedance relies heavily on the modeling of sound absorption by liners under grazing flows.
Gabard, G.
core +1 more source
Sensors, 2020 A motion artefact is a kind of noise that exists widely in wearable electrocardiogram (ECG) monitoring. Reducing motion artefact is challenging in ECG signal preprocessing because the spectrum of motion artefact usually overlaps with the very important ...
Xiang An, George K. Stylios
doaj +1 more source
Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials
Advanced Engineering Materials, EarlyView.Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley +1 more source
DFD-Impulse-Oscillometry-Data-Dictionary
DFD-Impulse-Oscilometry-IOS-Data-DictionaryThis data dictionary provides detailed descriptions of variables, field definitions, and response options for Impulse Oscillometry (IOS) data within the Deployment File Data (DFD) datasets.It serves as a ...
Oscar Agyei (20313330)
core +1 more source
IET Electric Power ApplicationsPower transformer windings are susceptible to deformation after multiple short‐circuit impulses, threatening power grid stability. Currently, there is a lack of experimental data on various characteristic parameters of failures after multiple short ...
Jun Liu +6 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.This perspective reframes additive manufacturing for electrical machines as a qualification‐limited materials and architecture design problem. It links process–structure–property–performance relationships to magnetic, conducting, dielectric, and thermal property windows, highlighting where AM can enable segmented magnetic circuits, permanent magnet ...
Dénes Fodor, Loránd Szabó
wiley +1 more source
Impedance spectroscopy for cellular and biomolecular analysis
, 2009 The application of microfabrication technology to molecular and cell biology has motivated the rapid development of a novel class of microdevices collectively known as ‘Lab On a Chip’ devices.Impedance spectroscopy is a non-invasive, label-free ...
Malleo, Daniele
core +1 more source