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Product Details

ISBN-13:	9780890065211
Publisher:	Artech House, Incorporated
Publication date:	04/01/1991
Series:	Artech House Microwave Library Series
Pages:	212
Product dimensions:	6.00(w) x 9.00(h) x 0.63(d)

Table of Contents

	Preface	ix
Chapter 1	Introduction--Concepts and Definitions	1
	References	8
	List of Symbols	8
Chapter 2	Basic Design Techniques	11
2.1	Rough Designs	11
2.2	Improved Estimates	13
2.3	Beamwidth Conversions	15
2.4	Theoretical Aperture Distributions	16
	References	19
	List of Symbols	20
Chapter 3	Transmission-Line Characteristics	21
3.1	Waves Between Parallel Planes	21
3.1.1	TE and TM Modes	21
3.1.2	TEM Modes	24
3.2	Waves in Rectangular Guides	25
3.2.1	TE and TM Modes	26
3.3	Surface Characteristics	29
3.4	Two-Wire Transmission Lines	30
3.5	Coaxial Transmission Lines	30
3.6	Circular Waveguides	31
3.7	Propagation Modes	31
	References	38
	List of Symbols	38
Chapter 4	Horns	41
4.1	Rectangular Horns	41
4.1.1	Patterns	41
4.1.2	Directivity and Gain	46
4.1.3	Phase Centers	49
4.2	Circular-Conical Horns	50
4.2.1	Patterns	50
4.2.2	Directivity and Gain	53
4.2.3	Phase Centers	57
4.3	Corrugated Horns	57
4.3.1	Patterns	57
4.3.2	Directivity and Gain	60
4.3.3	Phase Centers	61
4.3.4	Design of Corrugations	62
4.3.5	Impedance Matching	64
	References	69
	List of Symbols	69
Chapter 5	Reflectors	71
5.1	Parabola	71
5.2	Front-Fed Paraboloid	71
5.2.1	Subtended Angle	73
5.2.2	Space Attenuation	74
5.2.3	Condon Lobes	75
5.2.4	Aperture Blockage	75
5.2.5	Beam-Deviation Factor	76
5.3	Offset-Fed Paraboloid	76
5.3.1	Linear Polarization	78
5.3.2	Circular Polarization	78
5.4	Cassegrain Antennas	80
	References	82
	List of Symbols	82
Chapter 6	Radomes and Lenses	85
6.1	Introduction	85
6.2	Solid-Wall Radomes	88
6.3	A-Sandwich Radomes	93
6.4	Lenses	94
	References	96
	List of Symbols	97
Chapter 7	Waveguide Components	99
7.1	Corners	99
7.1.1	Double-Mitered Corners	99
7.1.2	Single-Mitered Cutoff Corners	100
7.2	Bends	102
7.3	Twists	106
7.4	Tapers	109
	References	110
	List of Symbols	110
Chapter 8	Impedance and Matching	113
8.1	Basic Notation	113
8.2	Reflections from Mismatches	114
8.3	Impedance Measurements and the Smith Chart	115
8.4	Circuit Elements for Matching	118
	References	135
	List of Symbols	135
Chapter 9	Antenna Measurements	137
9.1	Far-Field Phase Taper	137
9.2	Far-Field Amplitude Taper	139
9.3	Extraneous Coherent Signals	140
9.4	Power Transfer	141
9.5	Focusing Techniques	144
9.6	Primary Patterns	150
	References	150
	List of Symbols	152
Chapter 10	Pattern "Talk"	155
10.1	VSWR Patterns	155
10.2	Primary Patterns	156
10.3	Secondary Patterns	161
	List of Symbols	162
	Appendix
A.1	Frequency Bands	165
A.2	Properties of Dielectrics	166
A.3	Conductivity of Various Metals	168
A.4	Multiple and Submultiple Prefixes	168
A.5	Fundamental Physical Constants	169
A.6	Greek Alphabet	170
A.7	Decibels and Nepers	171
A.8	Rectangular Waveguides and Flanges	172
A.9	VSWR and Related Terms	174
A.10	Expanded-Metal Mesh Reflectors	176
A.11	Wind Loading on a Paraboloidal Reflector	176
A.12	Effects of Aperture Blockage	177
A.13	Mathematical Models for Main Lobes	180
A.13.1	Parabolic Beam	180
A.13.2	cos-nth Beam	180
A.13.3	Gaussian Beam	181
A.13.4	(sinx)/x Beam	182
A.13.5	Primary Pattern Comparisons	183
A.13.6	Secondary Pattern Comparisons	186
A.14	VSWR--Phase Shift	186
A.15	Radiation Hazards	187
A.16	Sagitta--Phase Errors	188
	References	190
	List of Symbols	190
	Index	193

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