Results 91 to 100 of about 23,396,150 (160)

Harmonic voltage phasor reconstruction and harmonic state estimation based on the measurement data of a capacitive voltage transformer

open access: yesIET Electric Power Applications
Harmonic state estimation, which highly depends on accurate synchronised phasors, is a crucial basis for the location, traceability, and governance of harmonics in power systems.
Xiaoxian Zhu   +6 more
doaj   +1 more source

Effects of Five Daily Activities on Harmonic Analysis of the Radial Pulse. [PDF]

open access: yesEvid Based Complement Alternat Med, 2020
Chen PJ, Wu HK, Hsu PC, Lo LC, Chang HH.
europepmc   +1 more source

True epidemic growth construction through harmonic analysis. [PDF]

open access: yesJ Theor Biol, 2020
Krantz SG, Polyakov P, Rao ASRS.
europepmc   +1 more source

The harmonic map heat flow from surfaces [PDF]

open access: yes
We present a study of the harmonic map heat flow of Eells and Sampson in the case that the domain manifold is a surface. Particular emphasis has been placed on the singularities which may occur, as described by Struwe, and the analysis of the flow ...
Topping, Peter
core  

Enhanced second harmonic generation in microfiber loop resonators

open access: yes
Silica nanowires with high nonlinearities are attractive for a variety of applications such as continuum generation and new light sources. In particular, a growing interest was shown for using these nanowires for second harmonic generation (SHG) and ...
Ismaeel, R.   +3 more
core   +1 more source

Ciclo diário e semidiário de precipitação na costa norte do Brasil Diurnal and semidiurnal rainfall cycle over north coastland of Brazil

open access: yesRevista Brasileira de Meteorologia, 2013
Estudou-se o ciclo diário e o ciclo semidiário da precipitação na região costeira do Norte do Brasil. Usou-se 13 anos de dados ininterruptos de precipitação estimados através do algoritmo 3B42_V6 do projeto TRMM.
Cláudio Moisés Santos Silva
doaj  

Corneal topography in keratoconus evaluated more than 30 years after penetrating keratoplasty: a Fourier harmonic analysis. [PDF]

open access: yesSci Rep, 2020
Ono T   +7 more
europepmc   +1 more source

A novel hybrid PWM algorithm having superior harmonic performance

open access: yesIngeniería 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  

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