Wide-Band Slow-Wave Systems: Simulation and Applications, 1st Edition (e-Book) book cover

Wide-Band Slow-Wave Systems

Simulation and Applications, 1st Edition

By Stanislovas Staras, Romanas Martavicius, Julius Skudutis, Vytautas Urbanavicius, Vladislavas Daskevicius

CRC Press

460 pages | 299 B/W Illus.

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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.

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

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

About the Authors

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.

Subject Categories

BISAC Subject Codes/Headings:
TEC007000
TECHNOLOGY & ENGINEERING / Electrical
TEC024000
TECHNOLOGY & ENGINEERING / Microwaves
TEC061000
TECHNOLOGY & ENGINEERING / Mobile & Wireless Communications