Robert C. Hansen, PhD, DEng, has had a long and distinguished career in the aerospace industry. Since beginning his career in 1949, he held key posts in a number of leading aerospace companies, including Aerospace Corp., STL, Inc. (now TRW), and Hughes Aircraft Co. He is a Fellow of the IEEE and IEE and is a member of the National Academy of Engineering. Additionally, Dr. Hansen has been a consulting engineer for antennas and systems-related problems since the 1970s.

• Preface to the First Edition. Preface to the Second Edition.1 Introduction.1.1 Array Background.1.2 Systems Factors.1.3 Annotated Reference Sources.References.2 Basic Array Characteristics.2.1 Uniformly Excited Linear Arrays.2.2 Planar Arrays.2.3 Beam Steering and Quantization Lobes.2.4 Directivity.References.3 Linear Array Pattern Synthesis.3.1 Introduction.3.2 Dolph Chebyshev Arrays.3.3 Taylor One-Parameter Distribution.3.4 Taylor N-Bar Aperture Distribution.3.5 Low-Sidelobe Distributions.3.6 Villeneuve N-Bar Array Distribution.3.7 Difference Patterns.3.8 Sidelobe Envelope Shaping.3.9 Shaped Beam Synthesis.3.10 Thinned Arrays.Acknowledgment.References.4 Planar and Circular Array Pattern Synthesis.4.1 Circular Planar Arrays.4.2 Noncircular Apertures.Acknowledgment.References.5 Array Elements.5.1 Dipoles.5.2 Waveguide Slots.5.3 TEM Horns.5.4 Microstrip Patches and Dipoles.Acknowledgments.References.6 Array Feeds.6.1 Series Feeds.6.2 Shunt (Parallel) Feeds.6.3 Two-Dimensional Feeds.6.4 Photonic Feed Systems.6.5 Systematic Errors.Acknowledgments.References.7 Mutual Coupling.7.1 Introduction.7.2 Fundamentals of Scanning Arrays.7.3 Spatial Domain Approaches to Mutual Coupling.7.4 Spectral Domain Approaches.7.5 Scan Compensation and Blind Angles.Acknowledgment.References.8 Finite Arrays.8.1 Methods of Analysis.8.2 Scan Performance of Small Arrays.8.3 Finite-by-Infinite Array Gibbsian Model.References.9 Superdirective Arrays.9.1 Historical Notes.9.2 Maximum Array Directivity.9.3 Constrained Optimization.9.4 Matching of Superdirective Arrays.References.10 Multiple-Beam Antennas.10.1 Introduction.10.2 Beamformers.10.3 Low Sidelobes and Beam Interpolation.10.4 Beam Orthogonality.Acknowledgments.References.11 Conformal Arrays.11.1 Scope.11.2 Ring Arrays.11.3 Arrays on Cylinders.11.4 Sector Arrays on Cylinders.11.5 Arrays on Cones and Spheres.Acknowledgments.References.12 Connected Arrays.12.1 History of Connected Arrays.12.2 Connected Array Principles.12.3 Connected Dipole Currents.12.4 Connection by Reactance.12.5 Connected Array Extensions.References.13 Reflectarrays and Retrodirective Arrays.13.1 Reflectarrays.13.2 Retrodirective Arrays.References.14 Reflectors with Arrays.14.1 Focal Plane Arrays.14.2 Near-Field Electromagnetic Optics.References.15 Measurements and Tolerances.15.1 Measurement of Low-Sidelobe Patterns.15.2 Array Diagnostics.15.3 Waveguide Simulators.15.4 Array Tolerances.Acknowledgment.References.Author Index.Subject Index.

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