Wide-Band Slow-Wave Systems : Simulation and Applications book cover
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Wide-Band Slow-Wave Systems
Simulation and Applications





ISBN 9781439881545
Published March 5, 2012 by CRC Press
460 Pages 299 B/W Illustrations

 
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Book Description

The field of electromagnetics has seen considerable advances in recent years, based on the wide applications of numerical methods for investigating electromagnetic fields, microwaves, and other devices. Wide-Band Slow-Wave Systems: Simulation and Applications presents new technical solutions and research results for the analysis, synthesis, and design of slow-wave structures for modern electronic devices with super-wide pass-bands. It makes available, for the first time in English, significant research from the past 20 years that was previously published only in Russian and Lithuanian.

The authors examine electrodynamics, multiconductor lines, and numerical methods for the modeling, simulation, analysis, and design of various super-wide-band slow-wave structures, including helical, meander, and gutter-type systems.

The book features:

  • The electrodynamic method for analysis of helical structures containing periodical inhomogeneities
  • The multiconductor line method for analysis of complex helical, meander, and gutter-type wide-band slow-wave structures
  • The method of moments for modeling and analysis of multiconductor lines containing a limited number of lines and meander structures with limited length
  • Use of powerful software systems Microwave Office®, MICROWAVE STUDIO®, and MATLAB® for modeling, analysis, and design
  • A synergy of various methods for investigating and designing wide-band slow-wave structures
  • Solution of specific problems related to the design of wide-band and super-wide-band electrodynamic delay and deflection systems
  • Principles of computer-aided design of slow-wave structures

Presenting the theory, principles, properties, and applications of wide-band and super-wide-band slow-wave structures, this book will be of interest to students, engineers, researchers, and designers in the fields of electronic and microwave engineering.

Table of Contents

Introduction

Analysis of Nonhomogeneous Helical Systems Using Electrodynamical Methods
Modeling of Nonhomogeneous Helical Systems
Simulation of Axially Symmetrical Helical System
Simulation of Complex Helical Systems without Internal Shields
Summary
References

Multiconductor Line Method
Electromagnetic Waves in Multiconductor Lines
Voltages and Currents in Multi Conductor Lines
Normal Waves in Multi Conductor Lines
Dependence of Wave Admittances and Effective Dielectric Permittivities on Phase Angle
Calculation of Capacitances
Principles of Modeling of Slow-Wave Structures
Application of the Multiconductor Line Method for Analysis of Nonhomogeneous Systems
Calculations of Frequency Characteristics Using Numerical Iterations
Application of Scattering Transmission Line Matrices
Summary
References

Calculation of Characteristic Impedances of Multiconductor Lines
Finite Difference Method
Finite Element Method
Integral Equation Method
Application of the Method of Integral Equations
Summary
References

Models and Properties of Slow-Wave Systems
Models and Properties of Special Types of Helical Systems
Gutter-Type Helical and Meander Systems
Influence of Periodical Inhomogeneities on Properties of Slow-Wave Systems
Simulation of Meander Systems with Finite Length
Summary
References

Investigation of Slow-Wave Systems Applying Versatile Electromagnetic Simulation and Design Tools
Model of a Helical Slow-Wave System
Investigation of the Twined Helical Slow-Wave System
Input Impedance of Helical Systems
Resonances in the System of Shields and Possibilities of Avoiding Them
Application of Software for Three-Dimensional Modeling
Summary
References

Investigation of Slow-Wave Structures Using Synergy of Various Methods
Simulation of Inhomogeneous Meander Line
Simulation and Properties of the H-Profile Meander System
Simulation of Symmetrical and Asymmetrically Shielded Helical Lines
Simulation of the Axially Symmetrical Helical Line
Summary
References

Application of Slow-Wave Structures for Deflection of Electron Beams
Correction of Phase Distortions in Traveling-Wave Deflecting Systems
Electrical Field in the Deflecting System
Nonlinear Distortions in Traveling-Wave Cathode-Ray Tubes
Simulation of Transitions to Traveling-Wave Deflecting Systems
Opportunities for Improvement of Dynamic Characteristics of Traveling-Wave Cathode-Ray Tubes and Their Signal Paths
Conclusions
References

Application of Slow-Wave Systems for Delay
Simulation of Meander Systems Containing Periodical Inhomogeneities
Properties of Packaged Microstrip Meander Systems
Characteristic Impedance of Meander Systems
Models of Meander Systems Containing Additional Shields
Analysis of Wide-Band Meander Slow-Wave Systems Using an Advanced Model
Wide-Band Modified Gutter-Type Delay Lines
Summary
References

Computer-Aided Design of Electrodynamical Delay Lines
General Information
Methodology of Computer-Aided Design of Wide-Band Meander Systems
Principles of Synthesis of Initial Structure of Microstrip Meander Delay Line Containing Additional Shields
Algorithm for Synthesis of Microstrip Meander Delay Lines
Methodology and Algorithm for Design of Helical Delay Lines
Summary
References

Index

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Author(s)

Biography

Stanislovas Staras, Dr. Habil, is a professor emeritus in the Department of Electronic Systems at Vilnius Gediminas Technical University.

Romanas Martavicius, Dr. Habil, is a professor and Head of the Department of Electronic Systems at Vilnius Gediminas Technical University.

Julius Skudutis, Dr. Habil, is a professor in the Department of Computer Engineering at Vilnius Gediminas Technical University.

Vytautas Urbanavicius, PhD, is a professor in the Department of Electronic Systems at Vilnius Gediminas Technical University.

Vladislavas Daskevicius, PhD, is an associate professor in the Department of Computer Engineering at Vilnius Gediminas Technical University.

Reviews

"... valuable information for scientists, engineers and students related to investigation, design and applications of the wide-band slow-wave structures ... based on the valuable experience of known experts in the field of the wide-band electrodynamic systems"
—Jonas Stankunas, Director of Antanas Gustaitis' Aviation Institute of Vilnius Gediminas Technical University