Results 181 to 190 of about 2,621,114 (215)

High-Frequency Signal Injection Method Based on Duty Cycle Shifting Without Maximum Fundamental Voltage Magnitude Loss

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2017
High-frequency signal injection (HFSI) method is widely used in machine sensorless control in low speed operation range. The conventional HFSI methods are to superimpose high-frequency voltage signals onto the commanded stator voltage vector. Thus, the magnitude of the voltage used for machine torque production is sacrificed and these methods are not ...
Dong Wang, Kaiyuan Lu, Peter Omand Rasmussen   +2 more
openaire   +2 more sources

Enhancement on Surface-Emitting Second-Harmonic Generation by Counter-Propagating Fundamental Beams in LiNbO3 Channel Waveguide by Seven Orders of Magnitude

CLEO:2011 - Laser Applications to Photonic Applications, 2011
By coupling two counter-propagating fundamental beams into a LiNbO 3 channel waveguide, we have generated a strong surface-emitting second-harmonic beam, with normalized conversion efficiency being enhanced by seven orders of magnitude.
Yi Jiang, Da Li, Xiaomu Lin, Yujie J. Ding, Lei Wang, Ioulia B. Zotova, Narasimha S. Prasad   +6 more
openaire   +1 more source

Short circuit current fundamentals: characteristics/magnitudes/definitions for high voltage circuit breaker duties

IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting, 2002
The ANSI/IEEE Standards C37 provide many sections identifying the characteristics, magnitudes and relationships for short circuit/fault currents. Also, these standards provide many sections defining the preferred ratings that circuit breakers and/or fuses are to be capable of.
openaire   +1 more source

Fundamental factors determining the magnitudes of electric fields causing anodic oxide growth on film-forming metals

Reactivity of Solids, 1988
It is found that the fundamental factor determining the magnitude of the electric field, Eox, observed for the anodic oxide growth on a valve metal is the value of the electric displacement, D, given for the present case by D = ϵoxEox⋍ 1·108 V cm−1. Here D is also called the dielectric displacement vector and ϵox is the dielectric constant of the oxide.
openaire   +1 more source

A Fundamental Reconsideration of the CRASH3 Damage Analysis Algorithm: The Case Against Uniform Ubiquitous Linearity Between BEV, Peak Collision Force Magnitude, and Residual Damage Depth

Traffic Injury Prevention, 2013
The objective of this study was a thorough reconsideration, within the framework of Newtonian mechanics and work-energy relationships, of the empirically interpreted relationships employed within the CRASH3 damage analysis algorithm in regards to linearity between barrier equivalent velocity (BEV) or peak collision force magnitude and residual damage ...
openaire   +2 more sources

Frequency and magnitude of landsliding: fundamental research issues

Zeitschrift für Geomorphologie Supplement Volumes, 1999
M.J. Crozier, T. Glade
openaire   +1 more source

El tamaño del efecto. ¿la magnitud importa?

Cirugía Española, 2021
A Rios, Marina Iniesta-Sepúlveda
exaly  

Limitations on the magnitude of the hypothetical fundamental long-range interaction between spins in an experiment with mercury nuclei

Uspekhi Fizicheskih Nauk, 1983
Evgenii B Aleksandrov, A A Ansel'm, Yu V Pavlov, R M Umarkhodzhaev   +3 more
openaire   +1 more source

A Proposal of Vibrato Feature to Reflect Magnitude of Fluctuation of Fundamental Frequency for Evaluation Similarity in Singing Voice

IEEJ Transactions on Electronics, Information and Systems, 2017
Chifumi Suzuki, Hideki Banno, Kensaku Asahi, Masanori Morise   +3 more
openaire   +1 more source

Study on Relationship between Subjective Reproducibility of Individuality for Vibrato of Singing Voice and Vibrato-feature Distortion Reflecting Magnitude of Fluctuation of Fundamental Frequency

IEEJ Transactions on Electronics, Information and Systems, 2020
Chifumi Suzuki, Hideki Banno, Kensaku Asahi, Masanori Morise   +3 more
openaire   +1 more source