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  • Multivariate High-Frequency-Based Volatility (HEAVY) Models

    2013-10-3u2002·u2002high-frequency –nancial data enables the development of more accurate forecasting models for the conditional covariance of daily returns. We address this question by studying a new class of models which utilize high-frequency data for the objective of multi-step volatility forecasting. We call this

    Get Price
  • A Multiscale Model of High-Frequency Trading by Richard ...

    2012-4-26u2002·u2002Abstract. We propose and study a stylization of high frequency trading (HFT). Our interest is an order book which consists of orders from slow liquidity traders and orders from high-frequency traders.We would like to frame a model which is amenable to the (seemingly natural) mathematical toolkit of separation of scales and which can be used to address some of the larger …

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  • Multiscale Modeling in High Frequency Electromagnetics

    These models are the focus of the Multiscale Modeling in High-Frequency Electromagnetics series on the COMSOL Blog. Part 1: half_wavelength_dipole_antenna.mph. Part 2: rf_to_beam_envelopes.mph. Part 3: antenna_to_antenna_using_ff.mph. Part 4: antenna_to_antenna_using_ff_general.mph & rf_to_ray_optics.mph. however, additional products …

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  • Multiple models track algorithm for radar with high pulse ...

    Multiple models track algorithm for radar with high pulse-repetition frequency in frequency-modulated ranging mode March 2007 IET Radar, Sonar & Navigation 1(1):1 - 7

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  • (PDF) A Multi-Frequency Model of Electric Locomotive for ...

    the multi-frequency model of a locomotive is developed for. evaluating the influence s of sideband components. Mean while, the proposed model is validated by means of …

    Get Price
  • A New Multiple-Frequency Small-Signal Model for High ...

    Abstract: A new multifrequency small-signal control model for high-bandwidth dc buck regulator is proposed. The describing function approach is taken to model the duty-cycle modulator, incorporating the effects of not only the modulating frequency f m, the switching frequency fs, and the two sideband frequencies f s - f m and f s + f m.This model is significantly more accurate …

    Get Price
  • High-Frequency Modeling and Analyses for Buck and ...

    2020-9-25u2002·u2002frequency components and the sideband components are then coupled through the comparator. To be able to predict the converter's high-frequency performance, it is necessary to have a model that reflects the sampling characteristic of the PWM comparator. As the basis of further research, the existing high-frequency modeling approaches are reviewed.

    Get Price
  • Analysis of High Frequency Financial Data: Models, Methods ...

    2006-2-14u2002·u2002Analysis of High Frequency Financial Data: Models, Methods and Software. Part I: Descriptive Analysis of High Frequency Financial Data with S-PLUS. Eric Zivot∗ July 4, 2005. 1Introduction High-frequency financial data are observations on financial variables taken daily or at a finer time scale, and are often irregularly spaced over time.

    Get Price
  • Development of Multi-Physics Dynamics Models for High ...

    2016-5-4u2002·u2002A high fidelity model of the TE module bar was created with ∼30 million degrees-of-freedom (DOF). First, a quasi-static preload was applied on top of the TE module bar, then transient tri-axial displacement inputs were simultaneously applied on the preloaded module.

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  • LECTURE 34 HIGH FREQUENCY TRANSFORMER

    1999-6-2u2002·u2002HIGH FREQUENCY TRANSFORMER A. Transformer Basics 1. Geometry of Cu Wire Windings and Core Wire Winding Window 2. Single Wire Skin Effect and Multi-wire Proximity Effects Alter Both Primary and Secondary R(wire coil) via Effective A cu (wire) Changes 3. Transformer Inductance's: L m and L l a.

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  • Introduction to Multiscale Modeling in High-Frequency ...

    2017-1-11u2002·u2002Introduction to Multiscale Modeling in High-Frequency Electromagnetics. by Andrew Strikwerda. January 11, 2017. This post begins a comprehensive blog series where we will look at several approaches to multiscale modeling in high-frequency electromagnetics. Today, we will introduce the supporting theory and definitions that we will need.

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  • Multiscale Modeling in High Frequency Electromagnetics

    These models are the focus of the Multiscale Modeling in High-Frequency Electromagnetics series on the COMSOL Blog. Part 1: half_wavelength_dipole_antenna.mph. Part 2: rf_to_beam_envelopes.mph. Part 3: antenna_to_antenna_using_ff.mph. Part 4: antenna_to_antenna_using_ff_general.mph & rf_to_ray_optics.mph. however, additional products …

    Get Price
  • Multi‐step forecasting for nonlinear models of high ...

    2002-6-5u2002·u2002Multi‐step prediction using high frequency environmental data is considered. The complex dynamics of ground ozone often requires models involving covariates, multiple frequency periodicities, long memory, nonlinearity and heteroscedasticity.

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  • Development of Multi-Physics Dynamics Models for High ...

    2016-5-4u2002·u2002A high fidelity model of the TE module bar was created with ∼30 million degrees-of-freedom (DOF). First, a quasi-static preload was applied on top of the TE module bar, then transient tri-axial displacement inputs were simultaneously applied on the preloaded module.

    Get Price
  • (PDF) A transmission line model for high-frequency power ...

    2022-1-3u2002·u2002A Multi-Path Signal Propagation Model for the Power Line Channel in the High Frequency Range 45-5 I H. Philipps, ' Performance Measurements of Powerline Channels at High Frequencies Modeling of ...

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  • Modeling high-frequency limit order book dynamics with ...

    2013-10-31u2002·u2002the dynamics in high-frequency limit order book data and forecast movements of the mid-price and the direction of bid-ask spread crossings over short time intervals. Ex-periments with real data from NASDAQ show that the multi-class SVM models built in this paper not only predict various metrics with high accuracy, but also deliver

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  • High Frequency DC/DC Boost Converter

    2011-4-28u2002·u2002The first step in this process is the creation of high frequency DC/DC boost converter. A DC/DC boost converter deals with taking in an input voltage and producing a higher voltage. Most commercially available boost converters cannot exceed a frequency of 5MHz. The

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  • Modeling frequency-dependent dielectric loss and ...

    2009-4-11u2002·u2002Wideband Debye model is probably the best choice for composite dielectrics in frequency domain If measured data can not be approximated with the wideband Debye model, then multi-pole model is the next best choice Multi-pole Debye models is the only choice for time-domain electromagnetic solvers – it can be as accurate

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  • Frequency Multipliers - QSL.net

    2021-12-20u2002·u2002generate a high-quality lower frequency signal and employ a frequency multiplier to deliver the high frequency output at the desired frequency. This approach is the subject of this paper. Frequency multipliers will always be a way of generating the highest frequencies.

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  • Chapter 17: Fundamentals of Time and Frequency

    2003-4-18u2002·u2002The process of setting multiple oscillators to the same frequency is called syntonization. Of course, the three types of time and frequency information are closely related. As mentioned, the standard unit of time interval is the second. By counting seconds, we can determine the date and the time-of-day.

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  • Multivariate High-Frequency-Based Volatility (HEAVY)

    2013-10-3u2002·u2002high-frequency –nancial data enables the development of more accurate forecasting models for the conditional covariance of daily returns. We address this question by studying a new class of models which utilize high-frequency data for the objective of multi-step volatility forecasting. We call this

    Get Price
  • A Multiscale Model of High-Frequency Trading by Richard ...

    2012-4-26u2002·u2002Abstract. We propose and study a stylization of high frequency trading (HFT). Our interest is an order book which consists of orders from slow liquidity traders and orders from high-frequency traders.We would like to frame a model which is amenable to the (seemingly natural) mathematical toolkit of separation of scales and which can be used to address some of the …

    Get Price
  • Multiscale Modeling in High Frequency Electromagnetics

    These models are the focus of the Multiscale Modeling in High-Frequency Electromagnetics series on the COMSOL Blog. Part 1: half_wavelength_dipole_antenna.mph. Part 2: rf_to_beam_envelopes.mph. Part 3: antenna_to_antenna_using_ff.mph. Part 4: antenna_to_antenna_using_ff_general.mph & rf_to_ray_optics.mph. however, additional …

    Get Price
  • Multiple models track algorithm for radar with high pulse ...

    Multiple models track algorithm for radar with high pulse-repetition frequency in frequency-modulated ranging mode March 2007 IET Radar, Sonar & Navigation 1(1):1 - 7

    Get Price
  • (PDF) A Multi-Frequency Model of Electric Locomotive for ...

    the multi-frequency model of a locomotive is developed for. evaluating the influence s of sideband components. Mean while, the proposed model is validated by means of …

    Get Price
  • A New Multiple-Frequency Small-Signal Model for High ...

    Abstract: A new multifrequency small-signal control model for high-bandwidth dc buck regulator is proposed. The describing function approach is taken to model the duty-cycle modulator, incorporating the effects of not only the modulating frequency f m, the switching frequency fs, and the two sideband frequencies f s - f m and f s + f m.This model is significantly more accurate …

    Get Price
  • High-Frequency Modeling and Analyses for Buck and ...

    2020-9-25u2002·u2002frequency components and the sideband components are then coupled through the comparator. To be able to predict the converter's high-frequency performance, it is necessary to have a model that reflects the sampling characteristic of the PWM comparator. As the basis of further research, the existing high-frequency modeling approaches are reviewed.

    Get Price
  • Analysis of High Frequency Financial Data: Models,

    2006-2-14u2002·u2002Analysis of High Frequency Financial Data: Models, Methods and Software. Part I: Descriptive Analysis of High Frequency Financial Data with S-PLUS. Eric Zivot∗ July 4, 2005. 1Introduction High-frequency financial data are observations on financial variables taken daily or at a finer time scale, and are often irregularly spaced over time.

    Get Price
  • Development of Multi-Physics Dynamics Models for High ...

    2016-5-4u2002·u2002A high fidelity model of the TE module bar was created with ∼30 million degrees-of-freedom (DOF). First, a quasi-static preload was applied on top of the TE module bar, then transient tri-axial displacement inputs were simultaneously applied on the preloaded module.

    Get Price
  • LECTURE 34 HIGH FREQUENCY TRANSFORMER

    1999-6-2u2002·u2002HIGH FREQUENCY TRANSFORMER A. Transformer Basics 1. Geometry of Cu Wire Windings and Core Wire Winding Window 2. Single Wire Skin Effect and Multi-wire Proximity Effects Alter Both Primary and Secondary R(wire coil) via Effective A cu (wire) Changes 3. Transformer Inductance's: L m and L l a.

    Get Price
  • Multivariate High-Frequency-Based Volatility (HEAVY)

    2013-10-3u2002·u2002high-frequency –nancial data enables the development of more accurate forecasting models for the conditional covariance of daily returns. We address this question by studying a new class of models which utilize high-frequency data for the objective of multi-step volatility forecasting. We call this

    Get Price
  • A Multiscale Model of High-Frequency Trading by Richard ...

    2012-4-26u2002·u2002Abstract. We propose and study a stylization of high frequency trading (HFT). Our interest is an order book which consists of orders from slow liquidity traders and orders from high-frequency traders.We would like to frame a model which is amenable to the (seemingly natural) mathematical toolkit of separation of scales and which can be used to address some of the …

    Get Price
  • Multiscale Modeling in High Frequency Electromagnetics

    These models are the focus of the Multiscale Modeling in High-Frequency Electromagnetics series on the COMSOL Blog. Part 1: half_wavelength_dipole_antenna.mph. Part 2: rf_to_beam_envelopes.mph. Part 3: antenna_to_antenna_using_ff.mph. Part 4: antenna_to_antenna_using_ff_general.mph & rf_to_ray_optics.mph. however, additional …

    Get Price
  • Multiple models track algorithm for radar with high pulse ...

    Multiple models track algorithm for radar with high pulse-repetition frequency in frequency-modulated ranging mode March 2007 IET Radar, Sonar & Navigation 1(1):1 - 7

    Get Price
  • (PDF) A Multi-Frequency Model of Electric Locomotive for ...

    the multi-frequency model of a locomotive is developed for. evaluating the influence s of sideband components. Mean while, the proposed model is validated by …

    Get Price
  • A New Multiple-Frequency Small-Signal Model for High ...

    Abstract: A new multifrequency small-signal control model for high-bandwidth dc buck regulator is proposed. The describing function approach is taken to model the duty-cycle modulator, incorporating the effects of not only the modulating frequency f m, the switching frequency fs, and the two sideband frequencies f s - f m and f s + f m.This model is significantly more accurate …

    Get Price
  • High-Frequency Modeling and Analyses for Buck and ...

    2020-9-25u2002·u2002frequency components and the sideband components are then coupled through the comparator. To be able to predict the converter's high-frequency performance, it is necessary to have a model that reflects the sampling characteristic of the PWM comparator. As the basis of further research, the existing high-frequency modeling approaches are reviewed.

    Get Price
  • Analysis of High Frequency Financial Data: Models,

    2006-2-14u2002·u2002Analysis of High Frequency Financial Data: Models, Methods and Software. Part I: Descriptive Analysis of High Frequency Financial Data with S-PLUS. Eric Zivot∗ July 4, 2005. 1Introduction High-frequency financial data are observations on financial variables taken daily or at a finer time scale, and are often irregularly spaced over time.

    Get Price
  • Development of Multi-Physics Dynamics Models for High ...

    2016-5-4u2002·u2002A high fidelity model of the TE module bar was created with ∼30 million degrees-of-freedom (DOF). First, a quasi-static preload was applied on top of the TE module bar, then transient tri-axial displacement inputs were simultaneously applied on the preloaded module.

    Get Price
  • LECTURE 34 HIGH FREQUENCY TRANSFORMER

    1999-6-2u2002·u2002HIGH FREQUENCY TRANSFORMER A. Transformer Basics 1. Geometry of Cu Wire Windings and Core Wire Winding Window 2. Single Wire Skin Effect and Multi-wire Proximity Effects Alter Both Primary and Secondary R(wire coil) via Effective A cu (wire) Changes 3. Transformer Inductance's: L m and L l a.

    Get Price
  • Multivariate High-Frequency-Based Volatility (HEAVY)

    2013-10-3u2002·u2002high-frequency –nancial data enables the development of more accurate forecasting models for the conditional covariance of daily returns. We address this question by studying a new class of models which utilize high-frequency data for the objective of multi-step volatility forecasting. We call this

    Get Price
  • A Multiscale Model of High-Frequency Trading by Richard ...

    2012-4-26u2002·u2002Abstract. We propose and study a stylization of high frequency trading (HFT). Our interest is an order book which consists of orders from slow liquidity traders and orders from high-frequency traders.We would like to frame a model which is amenable to the (seemingly natural) mathematical toolkit of separation of scales and which can be used to address some …

    Get Price
  • Multiscale Modeling in High Frequency Electromagnetics

    These models are the focus of the Multiscale Modeling in High-Frequency Electromagnetics series on the COMSOL Blog. Part 1: half_wavelength_dipole_antenna.mph. Part 2: rf_to_beam_envelopes.mph. Part 3: antenna_to_antenna_using_ff.mph. Part 4: antenna_to_antenna_using_ff_general.mph & rf_to_ray_optics.mph. however, additional …

    Get Price
  • Multiple models track algorithm for radar with high pulse ...

    Multiple models track algorithm for radar with high pulse-repetition frequency in frequency-modulated ranging mode March 2007 IET Radar, Sonar & Navigation 1(1):1 - 7

    Get Price
  • (PDF) A Multi-Frequency Model of Electric Locomotive for ...

    the multi-frequency model of a locomotive is developed for. evaluating the influence s of sideband components. Mean while, the proposed model is validated by …

    Get Price
  • A New Multiple-Frequency Small-Signal Model for High ...

    Abstract: A new multifrequency small-signal control model for high-bandwidth dc buck regulator is proposed. The describing function approach is taken to model the duty-cycle modulator, incorporating the effects of not only the modulating frequency f m, the switching frequency fs, and the two sideband frequencies f s - f m and f s + f m.This model is significantly more …

    Get Price
  • High-Frequency Modeling and Analyses for Buck and ...

    2020-9-25u2002·u2002frequency components and the sideband components are then coupled through the comparator. To be able to predict the converter's high-frequency performance, it is necessary to have a model that reflects the sampling characteristic of the PWM comparator. As the basis of further research, the existing high-frequency modeling approaches are reviewed.

    Get Price
  • Analysis of High Frequency Financial Data: Models,

    2006-2-14u2002·u2002Analysis of High Frequency Financial Data: Models, Methods and Software. Part I: Descriptive Analysis of High Frequency Financial Data with S-PLUS. Eric Zivot∗ July 4, 2005. 1Introduction High-frequency financial data are observations on financial variables taken daily or at a finer time scale, and are often irregularly spaced over time.

    Get Price
  • Development of Multi-Physics Dynamics Models for High ...

    2016-5-4u2002·u2002A high fidelity model of the TE module bar was created with ∼30 million degrees-of-freedom (DOF). First, a quasi-static preload was applied on top of the TE module bar, then transient tri-axial displacement inputs were simultaneously applied on the preloaded module.

    Get Price
  • LECTURE 34 HIGH FREQUENCY TRANSFORMER

    1999-6-2u2002·u2002HIGH FREQUENCY TRANSFORMER A. Transformer Basics 1. Geometry of Cu Wire Windings and Core Wire Winding Window 2. Single Wire Skin Effect and Multi-wire Proximity Effects Alter Both Primary and Secondary R(wire coil) via Effective A cu (wire) Changes 3. Transformer Inductance's: L m and L l a.

    Get Price
  • Multivariate High-Frequency-Based Volatility (HEAVY)

    2013-10-3u2002·u2002high-frequency –nancial data enables the development of more accurate forecasting models for the conditional covariance of daily returns. We address this question by studying a new class of models which utilize high-frequency data for the objective of multi-step volatility forecasting. We call this

    Get Price
  • A Multiscale Model of High-Frequency Trading by Richard ...

    2012-4-26u2002·u2002Abstract. We propose and study a stylization of high frequency trading (HFT). Our interest is an order book which consists of orders from slow liquidity traders and orders from high-frequency traders.We would like to frame a model which is amenable to the (seemingly natural) mathematical toolkit of separation of scales and which can be used to address some …

    Get Price
  • Multiscale Modeling in High Frequency Electromagnetics

    These models are the focus of the Multiscale Modeling in High-Frequency Electromagnetics series on the COMSOL Blog. Part 1: half_wavelength_dipole_antenna.mph. Part 2: rf_to_beam_envelopes.mph. Part 3: antenna_to_antenna_using_ff.mph. Part 4: antenna_to_antenna_using_ff_general.mph & rf_to_ray_optics.mph. however, additional …

    Get Price
  • Multiple models track algorithm for radar with high pulse ...

    Multiple models track algorithm for radar with high pulse-repetition frequency in frequency-modulated ranging mode March 2007 IET Radar, Sonar & Navigation 1(1):1 - 7

    Get Price
  • (PDF) A Multi-Frequency Model of Electric Locomotive for ...

    the multi-frequency model of a locomotive is developed for. evaluating the influence s of sideband components. Mean while, the proposed model is validated by …

    Get Price
  • A New Multiple-Frequency Small-Signal Model for High ...

    Abstract: A new multifrequency small-signal control model for high-bandwidth dc buck regulator is proposed. The describing function approach is taken to model the duty-cycle modulator, incorporating the effects of not only the modulating frequency f m, the switching frequency fs, and the two sideband frequencies f s - f m and f s + f m.This model is significantly more …

    Get Price
  • High-Frequency Modeling and Analyses for Buck and ...

    2020-9-25u2002·u2002frequency components and the sideband components are then coupled through the comparator. To be able to predict the converter's high-frequency performance, it is necessary to have a model that reflects the sampling characteristic of the PWM comparator. As the basis of further research, the existing high-frequency modeling approaches are reviewed.

    Get Price
  • Analysis of High Frequency Financial Data: Models,

    2006-2-14u2002·u2002Analysis of High Frequency Financial Data: Models, Methods and Software. Part I: Descriptive Analysis of High Frequency Financial Data with S-PLUS. Eric Zivot∗ July 4, 2005. 1Introduction High-frequency financial data are observations on financial variables taken daily or at a finer time scale, and are often irregularly spaced over time.

    Get Price
  • Development of Multi-Physics Dynamics Models for High ...

    2016-5-4u2002·u2002A high fidelity model of the TE module bar was created with ∼30 million degrees-of-freedom (DOF). First, a quasi-static preload was applied on top of the TE module bar, then transient tri-axial displacement inputs were simultaneously applied on the preloaded module.

    Get Price
  • LECTURE 34 HIGH FREQUENCY TRANSFORMER

    1999-6-2u2002·u2002HIGH FREQUENCY TRANSFORMER A. Transformer Basics 1. Geometry of Cu Wire Windings and Core Wire Winding Window 2. Single Wire Skin Effect and Multi-wire Proximity Effects Alter Both Primary and Secondary R(wire coil) via Effective A cu (wire) Changes 3. Transformer Inductance's: L m and L l a.

    Get Price