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Artech House USA
Handbook of Reflector Antennas and Feed Systems Volume II: Feed Systems

Handbook of Reflector Antennas and Feed Systems Volume II: Feed Systems : Feed Systems

Copyright: 2013
Pages: 356
ISBN: 9781608075188

This is the first truly comprehensive and most up-to-date handbook available on modern reflector antennas and feed sources for diversified space and ground applications. There has never been such an all-encompassing reflector handbook in print, and no currently available title offers coverage of such recent research developments. The Handbook consists of three volumes. Volume II focuses on feed sources. Reflector antennas are extraordinary devices that combine high gain with geometrical simplicity, and can operate in broad frequency bands. Their performance, however, depends on the electrical characteristics of the feed system with which they operate. This comprehensive volume provides you with a solid understanding of feed system theory, design, and analysis. Featuring chapters authored by experts in each aspect of feed systems, this book takes you from fundamental mathematical techniques, electrically small and large dual reflectors, feed geometry and telemetry, tracking and command antennas, and more. Throughout the book numerous examples are provided to guide you in the practical aspects of feed design.
Introduction -Introduction. The Feed System. Phase Center Determination. Feed Efficiency. Organization of the Book. ; Numerical Methods -Introduction. Maxwell 's Equations: Foundations of Electromagnetic Analysis. Method of Moments (MoM). Finite-Element Method (FEM). Hybrid FE-BI and Domain Decomposition Techniques. Fast Methods for Integral Equations. High-Frequency Techniques. Theory of Diffraction.; Electrically Small Feeds -Introduction. Design Requirements. Waveguide Feeds. Microstrip Feeds. Backfire Printed Dipole Feeds. Asymmetric Feeds. Feed Pattern Shaping by Superstrate Loading.; Smooth Wall Multimode Horns for High Aperture Efficiency Theory, Design, and Applications -Introduction. Theory for High Aperture Efficiency. Circular Aperture. Square High-Efficiency Horn. Multiflared High-Efficiency Horns. Other High-Efficiency Horn Structures. Applications. Conclusions. ; Profiled Horns and Feeds -Introduction. Basis of Optimum Horns. Choice of Horn Profiles. Optimization of Horn Profile. Examples of Horn Designs. Conclusion.; Soft and Hard Horn Antennas -Introduction to Hybrid Mode Horn Antennas. Definition of Soft and Hard Surfaces. Soft and Hard Horn Designs and Implementations. Hard Horns as Feeds for Array Antennas. Conclusions. ; Circularly Polarized Feed Antennas -Introduction. Analysis Methods for CP Feed Antenna Design. Polarizer and Two-Point Excitation Patch. One-Point Excitation CP Patch Feed Antenna. End-Fire Helical CP Feed Antenna. CP Feed Array Antenna Composed of End-Fire Helical Elements. Conical Helical CP Feed Antennas. Back-Fire-Mode CP Helical Feed Antenna. Spiral CP Feed Antenna. Curl CP Feed Antenna.; Generalized Asymmetric Reflector Antenna Feeds for Polarization Control and Adaptive Virtual Array Design -Introduction. Applications of Asymmetric Feeds. Asymmetric Feed Designs for Cross Polarization Reduction. Multiphase Center Reflector Antennas and Virtual Array Formation. Concluding Remarks. ; Array Antennas and Low-Gain TT&C Antennas -Introduction. Array Antennas. Low Gain TT&C Antennas. ;
  • Sudhakar Rao Sudhakar Rao is a Technical Fellow at Northrop Grumman Aerospace Systems. He earned his Ph.D. in electrical engineering from the Indian Institute of Technology, Madras.
  • Lotfollah Shafai Lotfollah Shafai is the Canada Research Chair in the Electrical and Computer Engineering Department at the University of Manitoba. He earned his Ph. D. in electrical engineering from the University of Toronto.
  • Satish K. Sharma Satish K. Sharma is an associate professor in the Department of Electrical and Computer Engineering at the San Diego State University. He earned his Ph. D. in electronics engineering from the Indian Institute of Technology (BHU), Varanasi.
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