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Small Antenna Design

ISBN-10: 0750678615

ISBN-13: 9780750678612

Edition: 2006

Authors: Douglas B. Miron

List price: $97.95
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Description:

Describes the theory behind effective small antenna design and gives design techniques and examples for small antennas for different operating frequencies. Design techniques are given for the radio spectrum. This book keeps mathematics to the minimum required to explain design techniques. It also includes a CD-ROM with design software.
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Book details

List price: $97.95
Copyright year: 2006
Publisher: Elsevier Science & Technology Books
Publication date: 3/22/2006
Binding: Paperback
Pages: 304
Size: 7.00" wide x 9.00" long x 0.75" tall
Weight: 1.430
Language: English

Preface
Introduction
What is Small?
What are the Problems?
Some Historical Small Antenna Types and Applications
Some Present and Future Small Antennas References
Antenna Fundamentals I
Electromagnetic Waves
Waves in Space
Waves in Transmission Lines
Power in Waves
Polarization
The Short Dipole
Radiation Pattern
Circuit Behavior
The Small Loop
Circuit Behavior
Directionality, Efficiency, and Gain References Problems
Antenna Fundamentals II
Bandwidth and Quality Factor, Q
Impedance Matching and System Efficiency
Narrow-Band Matching
Wideband Matching
System Efficiency
Reception
Effective Height
Effective Area
Reception Pattern
Ground Effects
Image Theory
Vertical Dipole Above a Perfect Ground Plane
Horizontal Dipole Above a PEC Plane
Grounded-Source Antennas
Counterpoise
Summary of Ground Effects
Improvements References Problems
Introduction to Numerical Modeling of Wire Antennas
General Concepts
The Mathematical Basics of the Numerical Electromagnetic Code (NEC)
Basis Functions
Applied Field Models
Solving the Integral Equation
Using NEC in the Command Window
Modeling Guidelines
NEC in a Graphical User Interface (GUI)
Examples from Chapters 2 and 3
The Short Dipole
Small Loop in Free Space
End-Loaded Short Dipole References Problems
Programmed Modeling
Introduction
Using Wire-List Generators in NEC
Using Code to Generate a Wire List Problems
Open-Ended Antennas
Introduction
Thick Monopoles
Modeling Thick Monopoles
Top Loading
The Inverted-L
Top-Loading with Radials
Volume Loading
Coil Loading
Using Resonance
Summary References Problems
Loops and Other Closed-Wire Antennas
Introduction
Thick Loops
The Doughnut
The Barrel Loop
Solenoid Antennas
The Contrawound Toroidal Helix Antenna (CTHA)
The Folded Spherical Helix Monopole
Final Comments References Problems
Receiving Antennas
Introduction
External Noise
The Ferrite Rod Antenna
Antenna Parameters
Circuit Applications
Active Receiving Antennas References Problems
Measurements
What are You Measuring?
Measurements Through a Transmission Line
If I only have an SWR meter...
Impedance Measured Through a Transmission Line
Ranges and Test Enclosures
The Wheeler Cap and Variations
Series and Parallel Effects References Problems
The Mathematics of Antenna Orientation
Unit-Vector and Coordinate Variable Relations
The Horizontal Dipole
The Vertical Loop Problems
The Parallel-Ray Approximation Problems
The Small Loop Problems
The Proximity Effect
Current Distribution
Problem Formulation and Reduction to a System of Linear Equations
Solution for the Current Coefficients
Power and Resistance References
What Every EE Student Should Know About Mathematics by the Senior Year
What is Mathematics to an Engineer?
The Process is as Important as the Result
Facts and Idioms
Special Numbers
Identities and Formulas
Approximations
Integrals and Derivatives
Radians or De