Dynamic characterization of Galfenol (Fe₈₁.₆Ga₁₈.₄) / / Justin J. Scheidler, Vivake M. Asnani, Marcelo J. Dapino |
Autore | Scheidler Justin J. |
Pubbl/distr/stampa | Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , June 2016 |
Descrizione fisica | 1 online resource (iv, 63 pages) : color illustrations |
Collana | NASA/TP |
Soggetto topico |
Eddy currents
Electromagnetic noise Frequency response Gallium alloys Magnetostriction Piezoelectricity |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Dynamic characterization of Galfenol |
Record Nr. | UNINA-9910707968903321 |
Scheidler Justin J. | ||
Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , June 2016 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Electromagnetic compatibility in power electronics / / François Costa, Cyrille Gautier, Eric Labouré, Bertrand Revol |
Autore | Costard François |
Pubbl/distr/stampa | London, England ; ; Hoboken, New Jersey : , : ISTE Ltd : , : John Wiley & Sons, , 2014 |
Descrizione fisica | 1 online resource (290 p.) |
Disciplina | 621.38224 |
Collana | ISTE |
Soggetto topico |
lectromagnetic compatibility
Power electronics Electromagnetic noise |
ISBN |
1-118-86318-6
1-118-86307-0 1-118-86309-7 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Contents; Chapter 1. Phenomena of Perturbation in Electrical Systems; 1.1. Electromagnetic perturbations in energy systems; 1.1.1. Introduction; 1.2. Power grid harmonics; 1.2.1 Presentation; 1.2.2. Characterization of the quality of electrical energy; 1.2.3. Relevant standards for harmonic emissions; 1.2.4. Classification of appliances; 1.2.5. The limits of harmonic currents; 1.2.6. Examples of observations of harmonic currents; 1.2.7. Fluorescent lighting scenario
1.2.8. Practical scenario of the improvement of the total harmonic distortion generated by a variable-frequency drive 1.2.9. Converter with sinusoidal absorption; 1.3. Common-mode and differential-mode conducted perturbations; 1.3.1. Common mode and differential mode; 1.3.2. Crosstalk; 1.4. Measuring electromagnetic perturbations; 1.4.1. The line impedance stabilization network; 1.4.2. Current sensors; 1.4.3. Antennae; 1.4.4. Spectrum analyzer; 1.5. The standards; 1.6. Bibliography; Chapter 2. Fundamental Principles; 2.1. Sources of noise: the switching cell and its control 2.1.1. Origin of conducted and radiated perturbations in static converters 2.2. Modeling; 2.2.1. Simple model of the switching cell; 2.2.2. More complex model of the switching cell; 2.3. Characterization of coupling functions and parasitic elements; 2.3.1. Passive components and differential-mode effects; 2.3.2. Invisible parasitic elements and common-mode effects; 2.3.3. Parasitic effects contributing to undesirable couplings; 2.4. Electromagnetic compatibility study of a practical scenario: the Buck chopper; 2.4.1. Description of the case study 2.4.2. Influence of the design parameters of the converter 2.4.3. Influence of technological parameters and control; 2.4.4. Other sources of switching noise; 2.4.5. Other switching modes: soft switching, advantages and constraints; 2.5. EMC study of an insulated DC-DC fly back power supply; 2.5.1. Description of the device; 2.5.2. Creation of the circuit model; 2.5.3. Analysis of switchings in the structure; 2.5.4. Electric simulation of the complete structure; 2.6. Corrected exercise number 1: conducted perturbations of a step-up chopper; 2.7. Answers with comments; 2.8. Bibliography Chapter 3. EMC of Complex Electrical Energy Conversion Systems: Electromagnetic Actuators3.1. How to define a complex system?; 3.2. Qualitative study; 3.2.1. Description of the conversion chain; 3.2.2. Reminder of the standards; 3.2.3. Propagation methods; 3.3. Modeling in frequency domain; 3.3.1. Linearization of the switching cell; 3.3.2. Modeling of the perturbation sources; 3.4. Frequency-based representation of an inverter; 3.4.1. Equivalent common-mode source - simplified diagram; 3.4.2. Differential-mode influence; 3.4.3. Proposed frequency-based diagram 3.5. Modeling of the cables and motors |
Record Nr. | UNINA-9910138962703321 |
Costard François | ||
London, England ; ; Hoboken, New Jersey : , : ISTE Ltd : , : John Wiley & Sons, , 2014 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Electromagnetic compatibility in power electronics / / François Costa, Cyrille Gautier, Eric Labouré, Bertrand Revol |
Autore | Costard François |
Pubbl/distr/stampa | London, England ; ; Hoboken, New Jersey : , : ISTE Ltd : , : John Wiley & Sons, , 2014 |
Descrizione fisica | 1 online resource (290 p.) |
Disciplina | 621.38224 |
Collana | ISTE |
Soggetto topico |
lectromagnetic compatibility
Power electronics Electromagnetic noise |
ISBN |
1-118-86318-6
1-118-86307-0 1-118-86309-7 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; Title Page; Contents; Chapter 1. Phenomena of Perturbation in Electrical Systems; 1.1. Electromagnetic perturbations in energy systems; 1.1.1. Introduction; 1.2. Power grid harmonics; 1.2.1 Presentation; 1.2.2. Characterization of the quality of electrical energy; 1.2.3. Relevant standards for harmonic emissions; 1.2.4. Classification of appliances; 1.2.5. The limits of harmonic currents; 1.2.6. Examples of observations of harmonic currents; 1.2.7. Fluorescent lighting scenario
1.2.8. Practical scenario of the improvement of the total harmonic distortion generated by a variable-frequency drive 1.2.9. Converter with sinusoidal absorption; 1.3. Common-mode and differential-mode conducted perturbations; 1.3.1. Common mode and differential mode; 1.3.2. Crosstalk; 1.4. Measuring electromagnetic perturbations; 1.4.1. The line impedance stabilization network; 1.4.2. Current sensors; 1.4.3. Antennae; 1.4.4. Spectrum analyzer; 1.5. The standards; 1.6. Bibliography; Chapter 2. Fundamental Principles; 2.1. Sources of noise: the switching cell and its control 2.1.1. Origin of conducted and radiated perturbations in static converters 2.2. Modeling; 2.2.1. Simple model of the switching cell; 2.2.2. More complex model of the switching cell; 2.3. Characterization of coupling functions and parasitic elements; 2.3.1. Passive components and differential-mode effects; 2.3.2. Invisible parasitic elements and common-mode effects; 2.3.3. Parasitic effects contributing to undesirable couplings; 2.4. Electromagnetic compatibility study of a practical scenario: the Buck chopper; 2.4.1. Description of the case study 2.4.2. Influence of the design parameters of the converter 2.4.3. Influence of technological parameters and control; 2.4.4. Other sources of switching noise; 2.4.5. Other switching modes: soft switching, advantages and constraints; 2.5. EMC study of an insulated DC-DC fly back power supply; 2.5.1. Description of the device; 2.5.2. Creation of the circuit model; 2.5.3. Analysis of switchings in the structure; 2.5.4. Electric simulation of the complete structure; 2.6. Corrected exercise number 1: conducted perturbations of a step-up chopper; 2.7. Answers with comments; 2.8. Bibliography Chapter 3. EMC of Complex Electrical Energy Conversion Systems: Electromagnetic Actuators3.1. How to define a complex system?; 3.2. Qualitative study; 3.2.1. Description of the conversion chain; 3.2.2. Reminder of the standards; 3.2.3. Propagation methods; 3.3. Modeling in frequency domain; 3.3.1. Linearization of the switching cell; 3.3.2. Modeling of the perturbation sources; 3.4. Frequency-based representation of an inverter; 3.4.1. Equivalent common-mode source - simplified diagram; 3.4.2. Differential-mode influence; 3.4.3. Proposed frequency-based diagram 3.5. Modeling of the cables and motors |
Record Nr. | UNINA-9910807279503321 |
Costard François | ||
London, England ; ; Hoboken, New Jersey : , : ISTE Ltd : , : John Wiley & Sons, , 2014 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Energy dispersion X-ray analysis : X-ray and electron probe analysis |
Pubbl/distr/stampa | Philadelphia : , : American Society for Testing and Materials, , 1971 |
Descrizione fisica | 1 online resource ([2], 285 pages) : illustrations, charts, tables, diagrams |
Disciplina | 537.5/352 |
Collana | ASTM special technical publication Energy dispersion X-ray analysis: X-ray and electron probe analysis. |
Soggetto topico |
Electromagnetic noise
Germanium X-ray spectroscopy |
ISBN | 0-8031-5571-9 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910164726303321 |
Philadelphia : , : American Society for Testing and Materials, , 1971 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
High-data-rate quadrax cable microwave characterization at the NASA Glenn Structural Dynamics Laboratory / / Onoufrios Theofylaktos, Joseph D. Warner, and Charles J. Sheehe |
Autore | Theofylaktos Onoufrios |
Pubbl/distr/stampa | Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , 2012 |
Descrizione fisica | 1 online resource (23 pages) : color illustrations |
Collana | NASA/TM |
Soggetto topico |
Bit error rate
Electromagnetic noise Vibration Coaxial cables Noise measurement Dynamic structural analysis Degradation Service modules Microwaves Acoustic scattering Frequency ranges Standard deviation |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910704470303321 |
Theofylaktos Onoufrios | ||
Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , 2012 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Hybrid log spiral with loop antenna [[electronic resource] /] / Neal Tesny and Marc Litz |
Autore | Tesny Neal |
Pubbl/distr/stampa | Adelphi, MD : , : Army Research Laboratory, , [2010] |
Descrizione fisica | 1 online resource (iv, 16 pages) : illustrations (chielly color), color charts |
Altri autori (Persone) | LitzMarc |
Collana | ARL-TR |
Soggetto topico |
Antennas (Electronics)
Electromagnetic noise |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910697126703321 |
Tesny Neal | ||
Adelphi, MD : , : Army Research Laboratory, , [2010] | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Noise in high-frequency circuits and oscillators [[electronic resource] /] / Burkhard Schiek, Ilona Rolfes, Heinz-Jürgen Siweris |
Autore | Schiek Burkhard <1938-> |
Pubbl/distr/stampa | Hoboken, N.J., : Wiley-Interscience, c2006 |
Descrizione fisica | 1 online resource (424 p.) |
Disciplina |
621.38224
621.38412 |
Altri autori (Persone) |
RolfesIlona <1973->
SiwerisHeinz Jürgen <1953-> |
Soggetto topico |
Electronic circuits - Noise
Electronic circuit design Electromagnetic noise |
ISBN |
1-280-51728-X
9786610517282 0-470-03894-2 0-470-03893-4 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Noise in High-Frequency Circuits and Oscillators; Contents; Preface; 1 Mathematical and System-oriented Fundamentals; 1.1 Introduction; 1.1.1 Technical relevance of noise; 1.1.2 Physical origins of noise; 1.1.3 General characteristics of noise signals; 1.2 Mathematical basics for the description of noise signals; 1.2.1 Stochastic process and probability density; 1.2.2 Compound probability density and conditional probability; 1.2.3 Mean value and moments; 1.2.4 Auto- and cross-correlation function; 1.2.5 Description of noise signals in the frequency domain
1.2.6 Characteristic function and the central limit theorem1.2.7 Interrelationship between moments of different orders; 1.3 Transfer of noise signals by linear networks; 1.3.1 Impulse response and transfer function; 1.3.2 Transformation of the autocorrelation function and the power spectrum; 1.3.3 Correlation between input and output noise signals; 1.3.4 Superposition of partly correlated noise signals; 2 Noise of Linear One- and Two-Ports; 2.1 Noise of one-ports; 2.1.1 Thermal noise of resistors; 2.1.2 Networks of resistors of identical temperature; 2.1.3 The RC-circuit 2.1.4 Thermal noise of complex impedances2.1.5 Available noise power and equivalent noise temperature; 2.1.6 Networks with inhomogeneous temperature distribution; 2.1.7 Dissipation theorem; 2.2 Noise of two-ports; 2.2.1 Description of the internal noise by current and voltage sources; 2.2.2 Noise equivalent sources for two-ports at homogeneous temperature; 2.2.3 Noise description by waves; 2.2.4 Noise of circulators and isolators; 2.2.5 Noise waves for thermally noisy two-ports at a homogeneous temperature; 2.2.6 Equivalent noise waves for linear amplifiers 2.3 Noise figure of linear two-ports2.3.1 Definition of the noise figure; 2.3.2 Calculation of the noise figure based on equivalent circuits; 2.3.3 Noise figure of two-ports with thermal noise; 2.3.4 Noise figure of cascaded two-ports; 2.3.5 Noise matching; 3 Measurement of Noise Parameters; 3.1 Measurement of noise power; 3.1.1 Power measurement on the basis of a thermocouple; 3.1.2 Thermistor bridge; 3.1.3 Power measurements with Schottky-diodes; 3.1.4 Power measurements with field effect transistors; 3.1.5 Power measurements with analog multipliers 3.1.6 Power measurements with a digital detector3.1.7 Power measurements with a spectrum analyzer; 3.1.8 Errors in noise power measurements; 3.2 Measurement of the correlation function and the cross-spectrum; 3.3 Illustrative interpretation of the correlation; 3.4 Measurement of the equivalent noise temperature of a one-port; 3.5 Special radiometer circuits; 3.5.1 Dicke-Radiometer; 3.5.2 Problems with mismatched devices under test; 3.5.3 Compensation radiometers; 3.5.4 Correlation radiometer; 3.5.5 Fundamental errors of noise power or noise temperature measurements 3.5.6 Principle errors of a correlation radiometer or correlator |
Record Nr. | UNINA-9910143566103321 |
Schiek Burkhard <1938-> | ||
Hoboken, N.J., : Wiley-Interscience, c2006 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Noise in high-frequency circuits and oscillators [[electronic resource] /] / Burkhard Schiek, Ilona Rolfes, Heinz-Jürgen Siweris |
Autore | Schiek Burkhard <1938-> |
Pubbl/distr/stampa | Hoboken, N.J., : Wiley-Interscience, c2006 |
Descrizione fisica | 1 online resource (424 p.) |
Disciplina |
621.38224
621.38412 |
Altri autori (Persone) |
RolfesIlona <1973->
SiwerisHeinz Jürgen <1953-> |
Soggetto topico |
Electronic circuits - Noise
Electronic circuit design Electromagnetic noise |
ISBN |
1-280-51728-X
9786610517282 0-470-03894-2 0-470-03893-4 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Noise in High-Frequency Circuits and Oscillators; Contents; Preface; 1 Mathematical and System-oriented Fundamentals; 1.1 Introduction; 1.1.1 Technical relevance of noise; 1.1.2 Physical origins of noise; 1.1.3 General characteristics of noise signals; 1.2 Mathematical basics for the description of noise signals; 1.2.1 Stochastic process and probability density; 1.2.2 Compound probability density and conditional probability; 1.2.3 Mean value and moments; 1.2.4 Auto- and cross-correlation function; 1.2.5 Description of noise signals in the frequency domain
1.2.6 Characteristic function and the central limit theorem1.2.7 Interrelationship between moments of different orders; 1.3 Transfer of noise signals by linear networks; 1.3.1 Impulse response and transfer function; 1.3.2 Transformation of the autocorrelation function and the power spectrum; 1.3.3 Correlation between input and output noise signals; 1.3.4 Superposition of partly correlated noise signals; 2 Noise of Linear One- and Two-Ports; 2.1 Noise of one-ports; 2.1.1 Thermal noise of resistors; 2.1.2 Networks of resistors of identical temperature; 2.1.3 The RC-circuit 2.1.4 Thermal noise of complex impedances2.1.5 Available noise power and equivalent noise temperature; 2.1.6 Networks with inhomogeneous temperature distribution; 2.1.7 Dissipation theorem; 2.2 Noise of two-ports; 2.2.1 Description of the internal noise by current and voltage sources; 2.2.2 Noise equivalent sources for two-ports at homogeneous temperature; 2.2.3 Noise description by waves; 2.2.4 Noise of circulators and isolators; 2.2.5 Noise waves for thermally noisy two-ports at a homogeneous temperature; 2.2.6 Equivalent noise waves for linear amplifiers 2.3 Noise figure of linear two-ports2.3.1 Definition of the noise figure; 2.3.2 Calculation of the noise figure based on equivalent circuits; 2.3.3 Noise figure of two-ports with thermal noise; 2.3.4 Noise figure of cascaded two-ports; 2.3.5 Noise matching; 3 Measurement of Noise Parameters; 3.1 Measurement of noise power; 3.1.1 Power measurement on the basis of a thermocouple; 3.1.2 Thermistor bridge; 3.1.3 Power measurements with Schottky-diodes; 3.1.4 Power measurements with field effect transistors; 3.1.5 Power measurements with analog multipliers 3.1.6 Power measurements with a digital detector3.1.7 Power measurements with a spectrum analyzer; 3.1.8 Errors in noise power measurements; 3.2 Measurement of the correlation function and the cross-spectrum; 3.3 Illustrative interpretation of the correlation; 3.4 Measurement of the equivalent noise temperature of a one-port; 3.5 Special radiometer circuits; 3.5.1 Dicke-Radiometer; 3.5.2 Problems with mismatched devices under test; 3.5.3 Compensation radiometers; 3.5.4 Correlation radiometer; 3.5.5 Fundamental errors of noise power or noise temperature measurements 3.5.6 Principle errors of a correlation radiometer or correlator |
Record Nr. | UNINA-9910831001203321 |
Schiek Burkhard <1938-> | ||
Hoboken, N.J., : Wiley-Interscience, c2006 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Noise in high-frequency circuits and oscillators / / Burkhard Schiek, Ilona Rolfes, Heinz-Jurgen Siweris |
Autore | Schiek Burkhard <1938-> |
Pubbl/distr/stampa | Hoboken, N.J., : Wiley-Interscience, c2006 |
Descrizione fisica | 1 online resource (424 p.) |
Disciplina | 621.382/24 |
Altri autori (Persone) |
RolfesIlona <1973->
SiwerisHeinz Jurgen <1953-> |
Soggetto topico |
Electronic circuits - Noise
Electronic circuit design Electromagnetic noise |
ISBN |
1-280-51728-X
9786610517282 0-470-03894-2 0-470-03893-4 |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Noise in High-Frequency Circuits and Oscillators; Contents; Preface; 1 Mathematical and System-oriented Fundamentals; 1.1 Introduction; 1.1.1 Technical relevance of noise; 1.1.2 Physical origins of noise; 1.1.3 General characteristics of noise signals; 1.2 Mathematical basics for the description of noise signals; 1.2.1 Stochastic process and probability density; 1.2.2 Compound probability density and conditional probability; 1.2.3 Mean value and moments; 1.2.4 Auto- and cross-correlation function; 1.2.5 Description of noise signals in the frequency domain
1.2.6 Characteristic function and the central limit theorem1.2.7 Interrelationship between moments of different orders; 1.3 Transfer of noise signals by linear networks; 1.3.1 Impulse response and transfer function; 1.3.2 Transformation of the autocorrelation function and the power spectrum; 1.3.3 Correlation between input and output noise signals; 1.3.4 Superposition of partly correlated noise signals; 2 Noise of Linear One- and Two-Ports; 2.1 Noise of one-ports; 2.1.1 Thermal noise of resistors; 2.1.2 Networks of resistors of identical temperature; 2.1.3 The RC-circuit 2.1.4 Thermal noise of complex impedances2.1.5 Available noise power and equivalent noise temperature; 2.1.6 Networks with inhomogeneous temperature distribution; 2.1.7 Dissipation theorem; 2.2 Noise of two-ports; 2.2.1 Description of the internal noise by current and voltage sources; 2.2.2 Noise equivalent sources for two-ports at homogeneous temperature; 2.2.3 Noise description by waves; 2.2.4 Noise of circulators and isolators; 2.2.5 Noise waves for thermally noisy two-ports at a homogeneous temperature; 2.2.6 Equivalent noise waves for linear amplifiers 2.3 Noise figure of linear two-ports2.3.1 Definition of the noise figure; 2.3.2 Calculation of the noise figure based on equivalent circuits; 2.3.3 Noise figure of two-ports with thermal noise; 2.3.4 Noise figure of cascaded two-ports; 2.3.5 Noise matching; 3 Measurement of Noise Parameters; 3.1 Measurement of noise power; 3.1.1 Power measurement on the basis of a thermocouple; 3.1.2 Thermistor bridge; 3.1.3 Power measurements with Schottky-diodes; 3.1.4 Power measurements with field effect transistors; 3.1.5 Power measurements with analog multipliers 3.1.6 Power measurements with a digital detector3.1.7 Power measurements with a spectrum analyzer; 3.1.8 Errors in noise power measurements; 3.2 Measurement of the correlation function and the cross-spectrum; 3.3 Illustrative interpretation of the correlation; 3.4 Measurement of the equivalent noise temperature of a one-port; 3.5 Special radiometer circuits; 3.5.1 Dicke-Radiometer; 3.5.2 Problems with mismatched devices under test; 3.5.3 Compensation radiometers; 3.5.4 Correlation radiometer; 3.5.5 Fundamental errors of noise power or noise temperature measurements 3.5.6 Principle errors of a correlation radiometer or correlator |
Record Nr. | UNINA-9910877556103321 |
Schiek Burkhard <1938-> | ||
Hoboken, N.J., : Wiley-Interscience, c2006 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|
Wave generation and particle transport in the plasma sheet and boundary layer [[electronic resource] ] : semi-annual report for NASA grant |
Pubbl/distr/stampa | [Washington, D.C.] : , : [National Aeronautics and Space Administration], , [1987] |
Descrizione fisica | 1 volume |
Collana | NASA-CR |
Soggetto topico |
Boundary layers
Earth ionosphere Electromagnetic noise Electrostatics Geomagnetic tail Ion beams Magnetohydrodynamic stability Plasma sheaths |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Wave generation and particle transport in the plasma sheet and boundary layer |
Record Nr. | UNINA-9910698830803321 |
[Washington, D.C.] : , : [National Aeronautics and Space Administration], , [1987] | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
|