Autore	Franceschetti, Giorgio
Pubbl/distr/stampa	Oxford, : Academic Press, ©2007
Descrizione fisica	282 p. : ill. ; 24 cm
Disciplina	530.141
Altri autori (Persone)	Riccio, Daniele
Soggetto non controllato	Campi elettromagnetici Onde elettromagnetiche
ISBN	978-0-12-265655-2
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Record Nr.	UNINA-990008543040403321

Autore	Franceschetti Giorgio
Pubbl/distr/stampa	Amsterdam ; ; Boston, : Elsevier Academic Press, c2006
Descrizione fisica	1 online resource (307 p.)
Disciplina	530.14/1
Altri autori (Persone)	RiccioDaniele
Soggetto topico	Electromagnetic waves - Scattering - Mathematical models Surfaces (Physics) - Mathematical models
Soggetto genere / forma	Electronic books.
ISBN	1-280-75144-4 9786610751440 0-08-046901-9
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Front cover; Scattering, Natural Surfaces and Fractals; Copyright page; Table of contents; Preface; Chapter 1. The Scattering Problem; 1.1. Introduction and Chapter Outline; 1.2. The Scattering-Problem Definition; 1.3. Motivations; 1.4. Surface Models and Electromagnetic Methods; 1.5. Deterministic versus Stochastic Models for the Natural Surfaces; 1.6. Deterministic versus Stochastic Evaluation for the Scattered Field; 1.7. Analytic versus Numerical Evaluation of the Scattered Field; 1.8. Closed-Form Evaluation of the Electromagnetic Field Scattered from a Natural Surface; 1.9. Book Outline 1.10. References and Further ReadingsChapter 2. Surface Classical Models; 2.1. Introduction and Chapter Outline; 2.2. Fundamentals of Stochastic Processes; 2.3. Spectral Characterization of Stochastic Processes; 2.4. Isotropic Surfaces; 2.5. Classical Models for Natural Surfaces: First-Order Stochastic Characterization; 2.6. Classical Models for Natural Surfaces: Second-Order Stochastic Characterization; 2.7. Physical Counterpart of Natural-Surfaces Classical Parameters; 2.8. Surface Classical Models Selection for Electromagnetic Scattering; 2.9. References and Further Readings Appendix 2.A Surface Classical ModelsChapter 3. Surface Fractal Models; 3.1. Introduction and Chapter Outline; 3.2. Fundamentals of Fractal Sets; 3.3. Mathematical versus Physical Fractal Sets; 3.4. Deterministic versus Stochastic Fractal Description of Natural Surfaces; 3.5. Fractional Brownian Motion Process; 3.6. Weierstrass-Mandelbrot Function; 3.7. Connection between fBm and WM Models; 3.8. A Chosen Reference Fractal Surface for the Scattering Problem; 3.9. Fractal-Surface Models and their Comparison with Classical Ones; 3.10. References and Further Readings Appendix 3.A Generalized FunctionsAppendix 3.B Space-Frequency and Space-Scale Analysis of Nonstationary Signals; Chapter 4. Analytic Formulations of Electromagnetic Scattering; 4.1. Introduction and Chapter Outline; 4.2. Maxwell Equations; 4.3. The Integral-Equation Method; 4.4. Incident and Scattered-Field Coordinate-Reference Systems; 4.5. The Kirchhoff Approximation; 4.6. Physical-Optics Solution; 4.7. Extended-Boundary-Condition Method; 4.8. Small-Perturbation Method; 4.9. References and Further Readings Chapter 5. Scattering from Weierstrass-Mandelbrot Surfaces: Physical-Optics Solution5.1. Introduction and Chapter Outline; 5.2. Analytic Derivation of the Scattered Field; 5.3. Scattered-Field Structure; 5.4. Limits of Validity; 5.5. Influence of Fractal and Electromagnetic Parameters over the Scattered Field; 5.6. Statistics of the Scattered Field; 5.7. References and Further Readings; Chapter 6. Scattering from Fractional Brownian Surfaces: Physical-Optics Solution; 6.1. Introduction and Chapter Outline; 6.2. Scattered Power-Density Evaluation; 6.3. Scattered Power Density 6.4. Scattered Power Density: Special Cases
Record Nr.	UNINA-9910458682403321

Autore	Franceschetti Giorgio
Edizione	[1st ed.]
Pubbl/distr/stampa	Amsterdam ; ; Boston, : Elsevier Academic Press, c2006
Descrizione fisica	1 online resource (307 p.)
Disciplina	530.14/1
Altri autori (Persone)	RiccioDaniele
Soggetto topico	Electromagnetic waves - Scattering - Mathematical models Surfaces (Physics) - Mathematical models
ISBN	1-280-75144-4 9786610751440 0-08-046901-9
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Front cover; Scattering, Natural Surfaces and Fractals; Copyright page; Table of contents; Preface; Chapter 1. The Scattering Problem; 1.1. Introduction and Chapter Outline; 1.2. The Scattering-Problem Definition; 1.3. Motivations; 1.4. Surface Models and Electromagnetic Methods; 1.5. Deterministic versus Stochastic Models for the Natural Surfaces; 1.6. Deterministic versus Stochastic Evaluation for the Scattered Field; 1.7. Analytic versus Numerical Evaluation of the Scattered Field; 1.8. Closed-Form Evaluation of the Electromagnetic Field Scattered from a Natural Surface; 1.9. Book Outline 1.10. References and Further ReadingsChapter 2. Surface Classical Models; 2.1. Introduction and Chapter Outline; 2.2. Fundamentals of Stochastic Processes; 2.3. Spectral Characterization of Stochastic Processes; 2.4. Isotropic Surfaces; 2.5. Classical Models for Natural Surfaces: First-Order Stochastic Characterization; 2.6. Classical Models for Natural Surfaces: Second-Order Stochastic Characterization; 2.7. Physical Counterpart of Natural-Surfaces Classical Parameters; 2.8. Surface Classical Models Selection for Electromagnetic Scattering; 2.9. References and Further Readings Appendix 2.A Surface Classical ModelsChapter 3. Surface Fractal Models; 3.1. Introduction and Chapter Outline; 3.2. Fundamentals of Fractal Sets; 3.3. Mathematical versus Physical Fractal Sets; 3.4. Deterministic versus Stochastic Fractal Description of Natural Surfaces; 3.5. Fractional Brownian Motion Process; 3.6. Weierstrass-Mandelbrot Function; 3.7. Connection between fBm and WM Models; 3.8. A Chosen Reference Fractal Surface for the Scattering Problem; 3.9. Fractal-Surface Models and their Comparison with Classical Ones; 3.10. References and Further Readings Appendix 3.A Generalized FunctionsAppendix 3.B Space-Frequency and Space-Scale Analysis of Nonstationary Signals; Chapter 4. Analytic Formulations of Electromagnetic Scattering; 4.1. Introduction and Chapter Outline; 4.2. Maxwell Equations; 4.3. The Integral-Equation Method; 4.4. Incident and Scattered-Field Coordinate-Reference Systems; 4.5. The Kirchhoff Approximation; 4.6. Physical-Optics Solution; 4.7. Extended-Boundary-Condition Method; 4.8. Small-Perturbation Method; 4.9. References and Further Readings Chapter 5. Scattering from Weierstrass-Mandelbrot Surfaces: Physical-Optics Solution5.1. Introduction and Chapter Outline; 5.2. Analytic Derivation of the Scattered Field; 5.3. Scattered-Field Structure; 5.4. Limits of Validity; 5.5. Influence of Fractal and Electromagnetic Parameters over the Scattered Field; 5.6. Statistics of the Scattered Field; 5.7. References and Further Readings; Chapter 6. Scattering from Fractional Brownian Surfaces: Physical-Optics Solution; 6.1. Introduction and Chapter Outline; 6.2. Scattered Power-Density Evaluation; 6.3. Scattered Power Density 6.4. Scattered Power Density: Special Cases
Record Nr.	UNINA-9910825420403321

Edizione	[1st edition]
Pubbl/distr/stampa	Boston, : Academic Press, c2006
Descrizione fisica	1 online resource (359 p.)
Disciplina	004.6/8
Altri autori (Persone)	FranceschettiGiorgio StornelliSabatino
Soggetto topico	Wireless LANs Personal communication service systems
Soggetto genere / forma	Electronic books.
ISBN	1-281-05051-2 9786611050511 0-08-048179-5
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Front Cover; Wireless Networks; Copyright Page; Table of Contents; Foreword; Preface; About the Authors; Chapter 1 Wireless Networks and Their Context; 1.1 Introduction; 1.2 The Scenario; 1.3 The Players; 1.4 Concluding Remarks; Chapter 2 The Wireless Communications Physical Layer; 2.1 Historical Perspectives; 2.2 Digital Communication Basics; 2.2.1 Complex Baseband Representation of Bandpass Signals; 2.2.2 Digital Transmission; 2.2.3 Performance Metrics for Digital Communication; 2.2.4 Some Limits on Performance of Digital Communication Systems; 2.2.5 Optimum Demodulation; 2.2.6 Discussion 2.3 Orthogonal Modulations2.3.1 Orthogonal Frequency Division Multiplexing; 2.3.2 Orthogonal Code Division Multiplexing; 2.3.3 Binary Stream Modulation; 2.3.4 Orthogonal Modulations with Memory; 2.4 Propagation in Wireless Channels; 2.4.1 Free Space Propagation; 2.4.2 Multipath Propagation; 2.4.3 Gaussian Modeling of Multipath Channels; 2.5 The Selectivity of Wireless Channels; 2.5.1 Frequency Selectivity; 2.5.2 Spatial Selectivity; 2.5.3 Time Selectivity; 2.5.4 Summary of Channel Characteristics; 2.6 Physical Models of Wireless Systems; 2.6.1 Time-Flat Frequency-Flat (TF/FF) Channels 2.6.2 Time-Varying Frequency-Flat (TV/FF) Channels2.6.3 Time-Flat Frequency-Varying (TF/FV) Channels; 2.6.4 Receiver-Space-Varying Frequency-Flat (RSV/FF) Channels; 2.6.5 Transmitter-Receiver Space-Varying Frequency-Flat (TRSV/FF) Channels; 2.6.6 Paradigms for Wireless Communication; 2.7 Modern Wireless Communication; 2.7.1 Capacity of the SISO Channel; 2.7.2 Capacity of the SISO Varying Channel; 2.7.3 Capacity of the RSV/TF/FF Channel; 2.7.4 MIMO Capacity; 2.8 Conclusion; References; Chapter 3 Handset Communication Antennas, Including Human Interactions; 3.1 Introduction 3.1.1 Mobile Communication Systems3.1.2 Antenna Designs for Handsets; 3.1.3 Interaction with the Human; 3.1.4 Objectives of this Chapter; 3.2 Overview of Popular Handset Antennas; 3.2.1 RF System Introduction; 3.2.2 External Antennas; 3.2.3 Internal Antennas; 3.2.4 Non-Cellular Antennas; 3.2.5 Key Electrical Parameters in Handset Antenna Designs; 3.3 Integration of Multiple Antennas; 3.3.1 Dual-Band PIFA Design; 3.3.2 PIFA and Whip Antenna Combination; 3.3.3 PIFA and GPS IFA Combination; 3.4 Human Interaction in Handset Antenna Design; 3.4.1 Human Head Effect on Handset Antennas 3.4.2 SAR Consideration in Handset Antenna Designs3.4.3 SAR Reduction with a GPS IFA; 3.5 Total Radiated Power (TRP); 3.5.1 Definition of TRP; 3.5.2 PIFA Models in the 1900MHz Band; 3.5.3 SAR and TRP; 3.6 Conclusion; References; Chapter 4 Wireless Channel Model; 4.1 Introduction; 4.1.1 The Deterministic Approach; 4.1.2 The Stochastic Approach; 4.2 The Deterministic Geometrical Model (DGM); 4.2.1 Input Data; 4.2.2 Output Data; 4.2.3 Rays Propagation, Reflection, and Diffraction; 4.2.4 Results; 4.3 The Stochastic Environment Model; 4.3.1 The Large-Scatterers Model (SELM) 4.3.2 The Small-Scatterers Model (SESM)
Record Nr.	UNINA-9910458648003321