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Antennas, Reflector --- #TELE:TMIC --- Reflector antennas --- Aperture antennas
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Antennas, Horn --- Horn antennas --- Aperture antennas --- Radio --- Antennas
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Aperture antennas --- Electric currents, Alternating --- Dielectrics --- Mathematical models.
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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
Antennas, Reflector --- Antennas, Reflector. --- Reflector antennas --- Aperture antennas --- Design and construction.
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Aperture antennas --- Radio waves --- Diffraction --- 621.396.677 --- #TELE:TMIC --- Directive aerials. Aerials with intentional directivity --- Aperture antennas. --- Diffraction. --- 621.396.677 Directive aerials. Aerials with intentional directivity --- Antennas (Electronics) --- Radio waves - Diffraction
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Reflector antennas are widely used in the microwave and millimeter wavelength domain. Radio astronomers have developed techniques of calibration of large antennas with radio astronomical methods. These have not been comprehensively described. This text aims to fill this gap. The Paraboloidal Reflector Antenna in Radio Astronomy and Communication: Theory and Practice takes a practical approach to the characterization of antennas. All calculations and results in the form of tables and figures have been made with Mathematica by Wolfram Research. The reader can use the procedures for the implementation of his/her own input data. The book should be of use to all who are involved in the design and calibration of large antennas, like ground station managers and engineers, practicing radio astronomers, and finally, graduate students in radio astronomy and communication technology.
Antennas, Reflector. --- Radio astronomy. --- Radioastronomy --- Astronomy --- Interstellar communication --- Reflector antennas --- Aperture antennas --- Microwaves. --- Astronomy, Observations and Techniques. --- Microwaves, RF and Optical Engineering. --- Classical Electrodynamics. --- Hertzian waves --- Electric waves --- Electromagnetic waves --- Geomagnetic micropulsations --- Radio waves --- Shortwave radio --- Observations, Astronomical. --- Astronomy—Observations. --- Optical engineering. --- Optics. --- Electrodynamics. --- Astronomical observations --- Observations, Astronomical --- Physics --- Light --- Mechanical engineering --- Dynamics
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This book presents the technology of millimetre waves and Terahertz (THz) antennas. It highlights the importance of moderate and high-gain aperture antennas as key devices for establishing point-to-point and point-to-multipoint radio links for far-field and near-field applications, such as high data-rate communications, intelligent transport, security imaging, exploration and surveillance systems. The book provides a comprehensive overview of the key antenna technologies developed for the mm wave and THz domains, including established ones – such as integrated lens antennas, advanced 2D and 3D horn antennas, transmit and reflect arrays, and Fabry-Perot antennas – as well as emerging metasurface antennas for near-field and far-field applications. It describes the pros and cons of each antenna technology in comparison with other available solutions, a discussion supplemented by practical examples illustrating the step-by-step implementation procedures for each antenna type. The measurement techniques available at these frequency ranges are also presented to close the loop of the antenna development cycle. In closing, the book outlines future trends in various antenna technologies, paving the way for further developments. Presenting content originating from the five-year ESF research networking program ‘Newfocus’ and co-authored by the most active and highly cited research groups in the domain of mm- and sub-mm-wave antenna technologies, the book offers a valuable guide for researchers and engineers in both industry and academia.
Engineering. --- Electronic circuits. --- Physical measurements. --- Measurement. --- Microwaves. --- Optical engineering. --- Microwaves, RF and Optical Engineering. --- Measurement Science and Instrumentation. --- Electronic Circuits and Devices. --- Aperture antennas. --- Antennas (Electronics) --- Hertzian waves --- Electric waves --- Electromagnetic waves --- Geomagnetic micropulsations --- Radio waves --- Shortwave radio --- Measurement . --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Measuring --- Mensuration --- Mathematics --- Technology --- Metrology --- Physical measurements --- Measurements, Physical --- Mathematical physics --- Measurement --- Mechanical engineering
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