Sparse Phased Array Antennas : : Theory and Applications.

• Author: Kedar, Ashutosh.
• Place / Publishing House: Norwood : : Artech House,, 2022.; ©2022.
• Year of Publication: 2022
• Edition: 1st ed.
• Language: English
• Physical Description: 1 online resource (315 pages)

Table of Contents

• Intro
• Sparse Phased Array Antennas: Theory and Applications
• Contents
• Preface
• PART I: Introduction
• 1 The Beginning
• 1.1 Introduction
• 1.2 Past and Present of Sparse Antenna Arrays
• 1.3 Advantages and Limitations of Sparse Array
• 1.4 Application Scenario for Sparse Array Antennas
• 1.5 Organization of the Book
• References
• PART II: Antenna and Antenna Arrays
• 2 Antenna Fundamentals
• 2.1 Introduction
• 2.2 Broad Classification of Antennas
• 2.4 Types of Antennas
• 2.5 Antenna Design Techniques
• 2.6 Field Regions
• 2.7 Antenna Measurements
• 2.8 Summary of the Chapter
• References
• 3 Antenna Arrays
• 3.1 Introduction
• 3.2 Array Classification
• 3.3 Antenna Array Electromagnetics
• 3.3.1 Linear Antenna Array (LAA)
• 3.3.2 Planar Antenna Array (PAA)
• 3.4 Phased Array Antennas (PhAA)
• 3.4.1 Principle of Beam Steering
• 3.5 Antenna Array Design Constraints
• 3.5.1 Grating Lobes Mechanism
• 3.5.2 Mutual Coupling Phenomenon
• 3.5.3 Antenna Array Design Techniques
• 3.5.4 Practial Constraints in Regular or Dense Phased Array Antennas
• References
• PART III: Electromagnetics of Sparse Array Antennas
• 4 Generalized Expression for Directivity
• 4.1 Introduction
• 4.2 Generalized Exact Analytical Expression for Directivity
• 4.2.1 Case Studies
• 4.3 Approximate Expression for Directivity
• 4.4 Concentric Ring Antenna Arrays (CRAs)
• 4.4.1 Concentric Ring Sparse Array (CRSA)
• 4.4.2 Effect of Rotation on CRSA
• 4.5 Conclusions
• References
• APPENDIX 4A Derivation of (4.14)
• APPENDIX 4B Derivation of (4.21)
• 5 Synthesis of Linear Sparse Array Antennas
• 5.1 Introduction
• 5.2 LAAs
• 5.2.1 A Brief History of the Synthesis of LSAAs
• 5.2.2 Sparse Versus Dense Linear Array Antennas
• 5.3 Numerical Studies on LSAAs
• 5.3.1 An LSAA with 60 Grid Locations (d = λ/2).
• 5.3.2 The Effect of Mutual Coupling and the Choice of the Array Element
• 5.3.3 The Relationship Between SLL and the Number of Elements
• 5.3.4 Relationship Between the Thinning Ratio (Fill Factor) and the Number of Elements
• 5.3.5 Scan Performance
• 5.4 ADT for the Synthesis of Nonuniform LSAA
• 5.4.1 Usage of ADT for the Array Synthesis
• 5.4.2 Numerical Case Studies
• 5.4.3 Oversized Linear Sparse Array Antennas
• 5.4.4 Highly Sparse Linear Antenna Array (dno = 1λ)
• 5.5 Synthesis of taylor-Like Distribution
• 5.5.1 Design and Optimization Philosophy
• 5.5.2 A 60-Element Linear Space Antenna Array (LSAA)
• 5.5.3 Optimization of a 60-Element LSAA
• 5.5.4 A 200-Element Linear Sparse Array Antenna (LSAA)
• 5.5.5 A 3,600 (60 × 60) Element Planar Sparse Array Antenna (PSAA)
• 5.6 Conclusions
• References
• 6 Concentric Ring Sparse Array Antennas
• 6.1 Introduction
• 6.2 Review of the Literature
• 6.3 Types of Circular Sparse Arrays
• 6.3.1 The Array Factor of CRAs
• 6.4 Design Guildelines Framework
• 6.4.1 First Term in (6.14)
• 6.4.2 Maximum of AF
• 6.4.3 Second-Term in (6.14)
• 6.4.4 Simplified Version of (6.14)
• 6.4.5 Effects of Rotation
• 6.5 Design Process
• 6.6 Numerical Case Studies
• 6.6.1 A Three-Ring CRA
• 6.6.2 Benchmark Study of CRA with a Larger Aperture
• 6.7 Fractal Concentric Ring Circular Arrays
• 6.7.1 Cantor Fractal Set
• 6.8 Spiral Concentric Ring Circular Arrays
• References
• 7 Planar Sparse Array Antennas
• 7.1 Introduction
• 7.2 Design Techniques for Sparse Antenna Arrays
• 7.3 Design Fundamentals
• 7.3.1 Mean or Average Distance and Projection Method
• 7.3.2 A Triangular Antenna Array
• 7.4 Array with Random Isotropic Element Allocation
• 7.5 Statistical Density Tapering (SDT) Method
• 7.6 Fractal Engineering Techiques.
• 7.7 Hybridization of Statistical Density Tapering and Genetric Algorithm Techniques
• 7.8 PT-Based Deterministic Design Methodology
• 7.8.1 Synthesis of the Spatial Tapering Across the Array Aperture
• 7.8.2 Synthesis of a Taylor-Like Distribution
• 7.8.3 Problem Statement
• 7.9 Conclusions
• References
• APPENDIX 7A Randomization Approach:Geolocating Method
• 8 Use Cases for Sparse Array Antennas
• 8.1 Introduction
• 8.2 Global Scenario on Sparse Array Antennas
• 8.3 Use Case Studies
• 8.3.1 A Stochastic Technique-Based Low SLL Sparse Array Antenna
• 8.3.2 Multifunctional Dual-Band Sparse Array Antenna
• 8.4 Conclusions
• References
• About the Author
• Index.