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High-frequency

Negociación de alta frecuencia (High Frequency Trading)

Negociación de alta frecuencia (High Frequency Trading)

... High Frequency Trading Página 17 Todo esto ocurrió según el informe realizado por la SEC y la ...por High Frequency Traders, aunque también por arbitrajistas y otros intermediarios, que ...

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Dynamic Paths: towards high frequency direct normal irradiance forecasts

Dynamic Paths: towards high frequency direct normal irradiance forecasts

... hourly frequency solar irradiance intervals can be classi fi ed ac- cording to their averaged air masses and solar irradiation [24], as well as other parameters, in order to be associated with speci fi c high ...

9

Fast control technique for high frequency (5MHz) DC/DC integrated converter

Fast control technique for high frequency (5MHz) DC/DC integrated converter

... switching frequency of 5 MHz allows the integration in a chip of a low power (10W) DC/DC ...switching frequency would make feasible a voltage mode control with 1MHz bandwidth, the parasitics and robustness ...

5

High frequency asymptotic analysis of a string with rapidly oscillating density

High frequency asymptotic analysis of a string with rapidly oscillating density

... the high frequency eigenvalues and eigen- functions of the one-dimensional problem associated to the vibration of a string with rapidly oscillating periodic ...the frequency of the eigenfunctions ( ...

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A hybrid alpha-stable model development for high frequency trading markets

A hybrid alpha-stable model development for high frequency trading markets

... a high frequency market model through a non-stationary Compound Poisson Process, a multilayer perceptron trained by backpropagation and, finally, estimators based on alpha-stable distributions, as an ...

13

Generation of sheet currents by high frequency fast magnetosonic waves

Generation of sheet currents by high frequency fast magnetosonic waves

... The evolution of fast magnetosonic waves of high frequency propa- gating into an axisymmetric equilibrium plasma is studied. By using the methods of weakly nonlinear geometrical optics, it is shown that the ...

17

Analysis of the high frequency substrate noise effects on LC-VCOs

Analysis of the high frequency substrate noise effects on LC-VCOs

... spacing has proven to reduce the effect of Eddy currents [120]. Another important source of losses in CMOS processes is the energy lost into the substrate. Due to proximity between the inductor and the substrate, a ...

201

Design of procedures for the calibration of electrosurgical units of high frequency

Design of procedures for the calibration of electrosurgical units of high frequency

... of high frequency; procedure for which a specific practical standards does not exist and that the group of Electrophysiology has designed for such aim during the execution of a project approved by ...

6

High frequency waves and instabilities in multi fluid partially ionized solar plasmas

High frequency waves and instabilities in multi fluid partially ionized solar plasmas

... collision frequency is large compared to the oscillation frequency, the phase speed of Alfv´en waves is reduced in comparison with the fully ionized case because the inertia of the neutrals has to be taken ...

181

Design and construction of a VLF monitoring station for solar flare detection

Design and construction of a VLF monitoring station for solar flare detection

... enough to be an issue. The main difference with external noise is that they can be avoided by carefully selecting the antenna location and keeping at a reasonable distance devices and appliances. For example, an office ...

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E STIMATION OFS URFACER EFLECTIONP ROPERTIES BY MEANS OF A NEWF REQUENCY S HIFTT ECHNIQUE

E STIMATION OFS URFACER EFLECTIONP ROPERTIES BY MEANS OF A NEWF REQUENCY S HIFTT ECHNIQUE

... comparable frequency resolution. As well as its high frequency resolution, a similar improvement can also be achieved for phase glitch and small phase ...higher frequency resolution is ...of ...

6

¿Qué twiteastes tú?  Variation in second person singular preterit –s  in Spanish tweets

¿Qué twiteastes tú? Variation in second person singular preterit –s in Spanish tweets

... verb frequency is the only factor group that significantly conditions one variant over another, with high frequency verbs highly conditioning the standard and low frequency verbs highly ...

20

Remark 1 Estimate (4) is not uniform in due to the fact that

Remark 1 Estimate (4) is not uniform in due to the fact that

... low frequency case which correspond to eigenfunctions with wavelength larger than the periodicity of the density , the high frequency case which correspond to eigenfunctions with wavelength shorter ...

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Aeroacoustics analysis o single jets with noise suppression devices

Aeroacoustics analysis o single jets with noise suppression devices

... low frequency noise ...low frequency reduction, without strong high frequency ...low frequency noise reduction, whilst the high frequency spectrum region is almost ...peak ...

10

Spectral elements for multiple trace formulation applied to scattering problems in two dimension

Spectral elements for multiple trace formulation applied to scattering problems in two dimension

... We have presented a robust and efficient method that allows the modeling of scatter- ing by heterogeneous penetrable scatters for large frequency ranges. Robustness is due to the lack of spurious modes and large ...

72

NUMERICAL MODELING OF THE ULTRASONIC CAVITATION FIELD AND EXPERIMENTAL EVALUATION OF BUBBLE DENSITY

NUMERICAL MODELING OF THE ULTRASONIC CAVITATION FIELD AND EXPERIMENTAL EVALUATION OF BUBBLE DENSITY

... sampling frequency of 100 kHz. The frequency spectrum of each acquisition is evaluated by a Discrete Fourier Transform and then successive spectra are ...fundamental frequency at ...fundamental ...

6

ALUMINIO CON GRANO MECÁNICAMENTE REFINADO PREPARADO MEDIANTE MOLIENDA DE BOLAS DE ALTA ENERGÍA Y SINTERIZACIÓN RÁPIDA UTILIZANDO UNA RUTA ALTERNATIVA BASADA EN CALENTAMIENTO POR INDUCCIÓN DE ALTA FRECUENCIA

ALUMINIO CON GRANO MECÁNICAMENTE REFINADO PREPARADO MEDIANTE MOLIENDA DE BOLAS DE ALTA ENERGÍA Y SINTERIZACIÓN RÁPIDA UTILIZANDO UNA RUTA ALTERNATIVA BASADA EN CALENTAMIENTO POR INDUCCIÓN DE ALTA FRECUENCIA

... SEM-XRD studies revealed an important grain refinement after high-energy ball milling, this condition was kept after sintering using HFIS. Although HFIS was done in air, the sample oxidation was low. Our described ...

7

High-power, fiber-laser-pumped optical parametric oscillators from the visible to mid-infrared

High-power, fiber-laser-pumped optical parametric oscillators from the visible to mid-infrared

... regime, providing 13 W of green power at an overall efficiency of 51.8 % for 25.1 W of fundamental power. Using multicrystal (MC) scheme involving three crystals, we further enhance the cw SP-SHG efficiency by ∼ 8 times ...

234

High-power, fiber-laser-pumped frequency conversion sources for the ultraviolet

High-power, fiber-laser-pumped frequency conversion sources for the ultraviolet

... established frequency conversion methods, while significantly improving previous techniques, leading to improved results using simple and reliable concepts for the generation of UV wavelengths in the picosecond ...

152

INFLUENCE OF PORE ROUGHNESS ON HIGH-FREQUENCY PERMEABILITY

INFLUENCE OF PORE ROUGHNESS ON HIGH-FREQUENCY PERMEABILITY

... the high- frequency limit, we have provided a new derivation of the Johnson et ...[8] high-frequency development of the dynamic permeability and a new expression of the characteristic length Λ ...

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