Results 31 to 40 of about 104,044 (167)
Modeling and Analysis of High-Power Ti:sapphire Laser Amplifiers–A Review
Applied Sciences, 2019 We have introduced several factors that can be useful for the modeling and analysis of high-power Ti:sapphire laser amplifiers. The amplification model includes the phase distortion effect caused by the atomic phase shift (APS) in gain medium and the ...
Jihoon Jeong +4 more
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An Efficient Phase-Locked Loop for Distorted Three-Phase Systems [PDF]
Energies, 2017 This paper proposed an efficient phase-locked loop (PLL) that features zero steady-state error of phase and frequency under voltage sag, phase jump, harmonics, DC offsets and step-and ramp-changed frequency. The PLL includes the sliding Goertzel discrete Fourier transform (SGDFT) filter-based fundamental positive sequence component separator (FPSCS ...
Yijia Cao +4 more
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Power meter for highly distorted three-phase systems [PDF]
IEEE Transactions on Instrumentation and Measurement, 1997 This paper describes a low-cost three-phase power meter, which is based on a fast special-designed acquisition board coupled to a personal computer. Such a solution permits an easy design of the acquisition board and the arrangement of a compact and portable instrument.
CARULLO, Alessio, PARVIS, Marco
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Modulating Phase Encoding With Amplitude Compensation for Hologram Reconstruction
IEEE Photonics JournalIn holographic three-dimensional (3D) display, phase-only spatial light modulators (SLMs) can only accept pure phase modulation signals, often leading to amplitude distortion in the reconstructed image and inaccurate object reconstruction.
Jinbin Gui +3 more
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EnergiesThis paper proposes a novel nine-phase ferrite-assisted synchronous reluctance machine (FA-SynRM) featuring skewed stator slots to address challenges related to harmonic distortion, torque ripple, and material sustainability which are prevalent in ...
Hongliang Guo +4 more
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IEEE AccessThis paper presents a comprehensive analysis of active track and hold (T/H) circuits that utilize switched source followers and time-divided post-distortion cancellation.
Junyoung Jang +2 more
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Filter based phase distortions in extracellular spikes
PLOS ONE, 2017 Extracellular recordings are the primary tool for extracting neuronal spike trains in-vivo. One of the crucial pre-processing stages of this signal is the high-pass filtration used to isolate neuronal spiking activity. Filters are characterized by changes in the magnitude and phase of different frequencies.
Dorin Yael, Izhar Bar-Gad
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Nonlinear distortion analysis for multisine excitation constrained by power spectral density
Journal of Measurement Science and Instrumentation, 2016 Nonlinear distortion introduced by an amplifier when subjected to a multisine excitation decreases the measurement accuracy in many metrological and measurement areas.In this paper,we performed qualitative and quantitative analyses of the nonlinear ...
ZHOU Kun-li, QU Ji-feng, ZHOU Zhen-yu
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Applied SciencesTo directly address the important issue of MRI geometric distortions in stereotactic radiosurgery (SRS) planning, we performed a phantom study of sequence acquisition optimization.
Bernardo Campilho +6 more
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Three-phase phase-lock loop for distorted utilities
IET Electric Power Applications, 2007 A novel three-phase phase-locked loop (PLL) structure suitable for phase and angular frequency derivation from distorted ac utility voltages is presented. The proposed PLL has a simple structure; a conventional three-phase PLL followed by a proportional-integral (PI)-controlled moving average filter together with a phase-locking algorithm.
A.M. Salamah, S.J. Finney, B.W. Williams
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