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E.V. Jull Aperture Antennas and Diffraction Theory (Hardback)
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Item specifics
- Condition
- Book Title
- Aperture Antennas and Diffraction Theory
- Title
- Aperture Antennas and Diffraction Theory
- EAN
- 9780906048528
- ISBN
- 9780906048528
- Genre
- Technology & Engineering
- Release Year
- 1981
- Release Date
- 09/01/1981
- Country/Region of Manufacture
- GB
- Item Height
- 234mm
- Subject Area
- Technology & Engineering, Science
- Publication Name
- Aperture Antennas and Diffraction Theory
- Item Length
- 9.2 in
- Publisher
- Institution of Engineering & Technology
- Subject
- Physics / Optics & Light, Telecommunications, Electronics / General
- Publication Year
- 1981
- Series
- Electromagnetic Waves Ser.
- Type
- Textbook
- Format
- Hardcover
- Language
- English
- Item Width
- 6.1 in
- Number of Pages
- 184 Pages
About this product
Product Information
Two powerful techniques for the analysis of aperture antennas are now used. One is based on the convenient Fourier transform relationship between aperture field and far-field radiation pattern. Here this relationship is derived from the plane wave spectrum representation of the aperture fields. In the near field of the aperture, Fourier transforms become Fresnel transforms. Far-field patterns may be predicted from near-field measurements by treating the near field as the aperture plane. In its application this method is basically the Kirchhoff approximation of diffraction theory. It is accurate for the forward fields of large antennas but cannot provide the lateral and back radiation. The other method is based on aperture edge diffraction and called the geometrical theory of diffraction. It is developed from an asymptotic approximation to rigorous diffraction theory. Inherently more accurate and more widely applicable, it is especially useful in the calculation of antenna radiation in the lateral and rear directions. However, at present it fails in some situations where the Kirchhoff method succeeds, for example the axial fields of paraboloidal reflectors. In this sense the two methods are complementary and often both are required in antenna analysis. Application of the two methods to the calculation of the pattern, gain and reflection coefficient of some common antenna types is shown and comparisons are made with experiment.
Product Identifiers
Publisher
Institution of Engineering & Technology
ISBN-10
0906048524
ISBN-13
9780906048528
eBay Product ID (ePID)
811129
Product Key Features
Publication Name
Aperture Antennas and Diffraction Theory
Format
Hardcover
Language
English
Subject
Physics / Optics & Light, Telecommunications, Electronics / General
Publication Year
1981
Series
Electromagnetic Waves Ser.
Type
Textbook
Subject Area
Technology & Engineering, Science
Number of Pages
184 Pages
Dimensions
Item Length
9.2 in
Item Width
6.1 in
Additional Product Features
Series Volume Number
No. 10
Lc Classification Number
Tk6553
Table of Content
Chapter 1: Introduction Chapter 2: Plane waves from apertures Chapter 3: Fourier transform representation of aperture patterns Chapter 4: Near-field radiation patterns Chapter 5: Aperture gain Chapter 6: Applications of aperture theory to antennas Chapter 7: Diffraction by conductors with sharp edges Chapter 8: Geometrical theory of diffraction by edges Chapter 9: Applications of geometrical diffraction theory to antennas Appendixes
Copyright Date
1981
Target Audience
College Audience
Dewey Decimal
621.3841/1
Dewey Edition
19
Illustrated
Yes
Item description from the seller
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Rarewaves-USA
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eBay item number:404871484715
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