Keywords:
Antennas (Electronics).
;
Electronic books.
Type of Medium:
Online Resource
Pages:
1 online resource (681 pages)
Edition:
1st ed.
ISBN:
9781483184548
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1834325
Language:
English
Note:
Front Cover -- Microwave Antennas -- Copyright Page -- Table of Contents -- FOREWORD -- CHAPTER I. MICROWAVE ANTEMAS, THEIR CLASSIFICATION, STRUCTURE ΑND OPERATING PRINCIPLES -- 1. Scope of the Investigation -- 2. Classification of Microwave Antennas -- 3. Horn Antennas -- 4. Lens Antennas -- 5. Slot Antennas -- 6. Dielectric Antennas -- 7. Reflector Antennas -- 8. Surface-wave Antennas -- 9. General Characteristics of Microwave Antennas -- CHAPTER II. THE FUNDAMENTAL PROBLEM OF MICROWAVE ANTENNA THEORY AND METHODS FOR ITS SOLUTION -- 1. Statement of the Problem -- 2. Initial Equations -- 3. The Method of Auxiliary Sources -- 4. The Vector Potential Method -- 5. The Principle of Equivalence -- 6. The Approximate Solution of the External Problem of Microwave Antenna Theory -- 7. Kirchhoff's Formula, Comparison with the Vector Formula -- 8. The Method of Stationary Phase -- CHAPTER III. DIFFRACTION FROM AN OPENING IN A PLANE SCREEN -- 1. Introduction -- 2. Co-phased Field in a Rectangular Opening -- 3. Co-phased Field at a Circular Opening -- 4. General Features of Directivity of Radiation from Plane Co-phased Antennas -- 5. Parasitic Polarization -- 7. Quadratic Variation of Field Phase in a Rectangular Opening -- 8. Quadratic Variation of Field Phase at a Circular Opening -- 9. Cubic Phase Variation -- 10. The Effect of Periodic Variation of Amplitude on the Directional Pattern of Co-phased Antennas -- CHAPTER IV. WAVEGUIDE RADIATORS -- 1. The Field in a Rectangular Waveguide -- 2. Radiation from the Aperture of a Rectangular Waveguide -- 3. The Field in a Circular Waveguide -- 4. The Approximate Solution of the Problem of Radiation from the Aperture of a Circular Waveguide -- 5. The Rigorous Statement of the Problem of Waveguide Radiators -- 6. The Results of a Rigorous Solution of the Problem of Waveguide Radiators -- CHAPTER V. HORN ANTENNAS.
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1. Introduction -- 2. Sectoral Horns -- 3. Pyramidal Horn -- 4. Bi-conical Horn -- 5. Quasi-pyramidal Horns -- 6. Conical Horn -- 7. Rigorous Solution of the Problem of Exciting the Horn Antenna -- 8. Passage from Rectangular Waveguide to Sectoral or Pyramidal Horns -- 9. The Properties of the Electromagnetic Field in the Aperture of a Horn Antenna. Phase Correction -- CHAPTER VI. LENS ANTENNAS -- 1. Homogeneous Lenses with Plane Wave in the Aperture -- 2. Permittivity and Refractive Index of Metal-dielectric Lenses -- 3. Frequency Characteristics of Lens Antennas -- 4. Technical Tolerances -- 5. Aplanar Lenses -- 6. Metal Lens with Wide-angle Beam Oscillation -- 7. Spherical and Circular-cylindrical Inhomogeneous Lenses -- 8. The Perforated Metal-plate Lens -- 9. Reflection from the Lens Surface -- 10. Methods of Eliminating Reflections from Lens Surfaces -- 11. Distribution of Field Amplitudes in the Lens Aperture -- 12. The Calculation of the Radiation Characteristics of Lens Antennas -- 13. Obtaining a Cosecant Directional Pattern from a Lens -- CHAPTER VII. REFLECTORS -- 1. Two Methods of Analysing Reflector Operation -- 2. Design of a Paraboloid of Revolution by the Aperture Method -- 3. Exciters for Paraboloids of Revolution -- 4. Effects on the Radiator of Waves Reflected from the Reflector -- 5. Parabolic Cylinder. Segmental-parabolic Antennas -- 6. Technical Tolerances -- 7. Paraboloids with Lattice and Perforated Surfaces -- 8. Spherical Reflectors -- 9. Design of a Reflector for a Pre-assigned Field Phase Distribution in the Aperture -- 10. Reflectors with a Cosecant Directional Pattern -- 11. Plane Reflectors -- CHAPTER VIII. SLOT ANTENNAS -- 1. Pistol' kors's Duality Principle and its Application to Slot Antennas -- 2. Slots in Finite Metal Plates -- 3. Slots in Walls of Rectangular Waveguide -- 4. Slots in Circular Cylindrical Surfaces.
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CHAPTER IX. DIELECTRIC ANTENNAS -- 1. The Electromagnetic Field in a Solid Dielectric Rod of Circular Section -- 2. Wave Attenuation in Dielectric Rods -- 3. Electromagnetic Field in a Solid Circular Dielectric Antenna -- 4. Second Equivalence Principle -- 5. The Directional Pattem of a Dielectric Antenna -- 6. Analysis of Experimental Data obtained on Solid Dielectric-rod Antennas -- 7. Design of Solid-Rod Dielectric Antennas -- 8. Dielectric Tubes -- 9. Dielectric Antenna Arrays -- 10. Dielectric Rod Antennas Radiating Perpendicular to the Axis, Antennas with a Wide-angle Directional Pattern -- CHAPTER Χ. SURFACE-WAVE ANTENNAS -- 1. Surface Waves -- 2. Surface Impedance -- 3. Metal Surface Covered With a Dielectric Layer -- 4. Grooved Metal Surface -- 5. Radiation Characteristics of Plane Antennas Employing Plane Surface Waves -- 6. The Radiation Characteristics of Plane Antennas employing Cylindrical Surface Waves -- 7. Cylindrical Surface Wave Antennas -- CHAPTER XI. HELICAL ANTENNAS -- 1. Structuire, Fundamental Definitions -- 2. Condition of Axial Radiation -- 3. The Condition of Non-directional Radiation -- 4. Amplitude and Phase Distribution for Current on the Cylindrical Antenna -- 5. Characteristics of Conical Helix Antennas -- 6. The Electromagnetic Radiation Field of a Cylindrical Helix Antenna -- APPENDIX I: TABLE OF A - FUNCTIONS OF ORDER n + 1/2 -- APPENDIX II: TABLE OF BESSEL- AND NEUMANN-FUNCTION SERIES -- REFERENCES -- INDEX.
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