Results 61 to 70 of about 6,997,743 (291)
Optical Signature of Moiré Superlattices Formed by Twisted SrTiO3 Membranes
Advanced Functional Materials, EarlyView.We discover optical signatures from bonded interfaces in twisted SrTiO3 moiré superlattices, including low‐frequency Raman vibrational modes and strong second‐harmonic generation, consistent with strong interlayer coupling inferred from cross‐sectional electron microscopy and ab initio calculations. ABSTRACT Moiré superlattices formed at the interfaces
T. A. M. Ragib Shahriar +13 more
wiley +1 more source
Evaluating harmonic and intermodulation distortion of mixed signals processed with dynamic range compression [PDF]
, 2014 Dynamic range compression of simple signals results in harmonic nonlinear distortion. However, for summed signals, predominantly inharmonic intermodulation distortion (IMD) is generated.
Toulson, R., Campbell, W., Paterson, J.
core
Advanced Functional Materials, EarlyView.Two‐photon grayscale lithography (2GL) enables high‐speed and precise 3D printing of thermolyzed silica glass microstructures with optical‐grade surface quality, high quality factors, and mechanical strength utilizing a custom‐made pre‐glass resist based on polyhedral oligomeric silsesquioxane (POSS) modified with a high‐sensitivity Norrish type II ...
Jonathan L. G. Schneider +4 more
wiley +1 more source
Reducing Harmonic Voltage At Industrial Area Distribution Network Using Network Configuration Management [TK1007. S526 2008 f rb]. [PDF]
, 2008 Syarikat pembekal elektrik diperlukan untuk mengekalkan tahap voltan harmonik di dalam sistem di bawah batas piawaian. Electric utility company is required to maintain harmonic voltage level in the system below the standard’s ...
Latif, Mohd Shahed
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A novel hybrid PWM algorithm having superior harmonic performance
Ingeniería e Investigación, 2009 This paper presents a novel hybrid modulation algorithm which improves the harmonic performance of eight of the most common pulse width modulation (PWM) algorithms for voltage source inverters (VSI) in the electric drive field. From harmonic a-nalysis of
Diana Jimena López Mesa +4 more
doaj
Applicability Limits of Fixed-Spectrum Harmonic Models in Weak Low-Voltage Networks
IEEE AccessThis paper investigates the applicability limits of simplified fixed-spectrum harmonic current source models in low-voltage distribution networks under varying operating conditions.
Dawid Bula
doaj +1 more source
Advanced Functional Materials, EarlyView.A field‐driven transition from chiral stripes to an achiral fan state is observed in a tetragonal magnet and linked to a temperature‐dependent rotation of the effective Dzyaloshinskii–Moriya interaction axis. This interplay generates pronounced in‐plane anisotropy and provides a new route for controlling chiral spin textures in noncentrosymmetric ...
Victor Ukleev +19 more
wiley +1 more source
The simulation of a twelve pulse diode rectifier with saturable reactors [PDF]
, 2004 A twelve pulse diode rectifier with saturable reactors to allow a degree of phase control is simulated using mathematical software. First order differential equations are solved numerically to allow calculation of line current.
Moore, P.J., King, I.G
core +3 more sources
Effects of Total Harmonic Distortion on Power System Equipment [PDF]
, 2015 Total harmonic distortion, or THD, is the summation of all harmonic components of the voltage or current t waveform compared against the fundamental component of the voltage or current wave: Harmonic is a sinusoidal component of a periodic wave or ...
AJENIKOKO, GANIYU ADEDAYO. +1 more
core +1 more source
Impact of Short Circuit Ratio on Harmonic Distortion in Offshore Wind Farm Integration
EnergiesOffshore wind energy is rapidly expanding as a critical resource for global carbon neutrality, with 10.8 GW of new capacity added in 2023, raising the worldwide total to 75.2 GW.
Kiryeon Lee +4 more
doaj +1 more source