Results 21 to 30 of about 5,394,829 (294)
Time domain analysis of a wideband common-mode suppression filter for bent interconnects [PDF]
, 2011 A technique to efficiently reduce differential-to-common mode conversion occuring at a bend discontinuity in coupled microstrip lines is investigated. Total signal integrity in the interconnect structure has been improved by minimizing the differential ...
De Zutter, Daniël +4 more
core +1 more source
Analysis of Approaches for Modeling the Low Frequency Emission of LED Lamps
Energies, 2020 Light emitting diode (LED) lamps are now an established lighting technology, which is becoming prevalent in all load sectors. However, LED lamps are non-linear electrical loads, and their impact on distribution system voltage quality must be evaluated ...
Adam J. Collin +6 more
doaj +1 more source
Frontiers in Marine Science, 2023 To investigate the vibrational impact of vehicular traffic on the ancient Qiantang River seawall, on-site measurements of the seawall’s pulsation and forced vibrations under different vehicle speeds and axle loads were conducted.
Shenming Zhu +4 more
doaj +1 more source
Comparison of Frequency Domain and Time-Domain Methods for Aeromechanical Analysis
International Journal of Rotating Machinery, 2016 Unsteady flow around an oscillating plate cascade and that through a single compressor rotor subject to vibration have been computationally studied, aimed at examining the predictive ability of two low fidelity frequency methods compared with a high ...
M. T. Rahmati
doaj +1 more source
Sentiment analysis:towards a tool for analysing real-time students feedback [PDF]
, 2014 Students' real-time feedback has numerous advantages in education, however, analysing feedback while teaching is both stressful and time consuming. To address this problem, we propose to analyse feedback automatically using sentiment analysis.
Altrabsheh, Nabeela +2 more
core +1 more source
Equivalence analysis of dielectric test methods in time domain and frequency domain
International Journal of Electrical Power & Energy SystemsWideband dielectric response is crucial for accurate assessment of insulation condition. However, time-domain measurements such as polarization and depolarization current (PDC) tests often lose high-frequency components, while frequency domain ...
Lin Du, Xin Li, Shixian Hui, Chao Xing
doaj +1 more source
Thermoacoustic instability - a dynamical system and time domain analysis
, 2014 This study focuses on the Rijke tube problem, which includes features relevant to the modeling of thermoacoustic coupling in reactive flows: a compact acoustic source, an empirical model for the heat source, and nonlinearities.
Chenadec, Vincent Le +4 more
core +3 more sources
Connecting the time domain community with the Virtual Astronomical Observatory [PDF]
, 2012 The time domain has been identified as one of the most important areas of astronomical research for the next decade. The Virtual Observatory is in the vanguard with dedicated tools and services that enable and facilitate the discovery, dissemination and ...
Djorgovski, S. G. +7 more
core +2 more sources
A non-invasive method of glucose monitoring using FR4 material based microwave antenna sensor
Science and Engineering of Composite Materials, 2023 This work presents a unique non-invasive method for monitoring glucose levels in blood using a planar Yagi–Uda antenna as a microwave sensor. The proposed antenna, operating at 5.5 GHz, exhibits a directional radiation pattern with a peak gain of 6.74 ...
Nella Anveshkumar +3 more
doaj +1 more source
Timescale Spectra in High Energy Astrophysics [PDF]
, 2002 A technique of timescale analysis performed directly in the time domain has been developed recently. We have applied the technique to studying rapid variabilities of hard X-rays from neutron star and black hole binaries, gamma-ray bursts and terrestrial ...
D Kazanas +6 more
core +3 more sources