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Research On Millimeter Wave Propagation At High Altitudes
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Book Synopsis Research on Millimeter Wave Propagation at High Altitudes by : University of Texas. Electrical Engineering Research Laboratory
Download or read book Research on Millimeter Wave Propagation at High Altitudes written by University of Texas. Electrical Engineering Research Laboratory and published by . This book was released on 1962* with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research on Millimeter Wave Propagation at High Altitudes by : TEXAS UNIV AUSTIN ELECTRICAL ENGINEERING RESEARCH LAB.
Download or read book Research on Millimeter Wave Propagation at High Altitudes written by TEXAS UNIV AUSTIN ELECTRICAL ENGINEERING RESEARCH LAB. and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1964 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Millimetre Wave Propagation from High-altitude Platforms by : Bettina Dorothee Zapfe
Download or read book Millimetre Wave Propagation from High-altitude Platforms written by Bettina Dorothee Zapfe and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Technology Program Digest by : United States. National Aeronautics and Space Administration
Download or read book Research and Technology Program Digest written by United States. National Aeronautics and Space Administration and published by . This book was released on with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Technology Program Digest Flash Index by :
Download or read book Research and Technology Program Digest Flash Index written by and published by . This book was released on 1967 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Earth-to-space Communications at Millimeter Wavelengths by : Edward E. Altshuler
Download or read book Earth-to-space Communications at Millimeter Wavelengths written by Edward E. Altshuler and published by . This book was released on 1965 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is expected that with the exploration of outer space, a requirement for high data rate earth-to-space communication channels will arise. A program to investigate the feasibility of using the millimeter-wave region of the spectrum for this application is presented. The theory of atmospheric attenuation resulting from losses due to absorption, scattering and refraction processes is reviewed and used to estimate propagation losses produced by atmospheric gases, clouds and precipitation. Curves of total atmospheric attenuation and noise level as a function of meteorological parameters and antenna elevation angle are also presented. A series of experiments designed to obtain as much information as possible on the limitations imposed by the atmosphere on millimeter-wave propagation is considered. Although experiments using natural celestial bodies such as the sun, moon, planets and galaxies as radio sources are emphasized, those which would utilize aircraft, rockets and satellites are also mentioned. Finally, the characteristics of a recently installed precision 29-ft antenna designed to operate at 35 Gc (wavelength = 8.6 mm) with a traveling-wave maser as a preamplifier for the radiometer are outlined along with the specific experiments for which this antenna system will be used. (Author).
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1972 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Department of Defense Appropriations for Fiscal Year 1973, Hearings Before ..., 92-2 by : United States. Congress. Senate. Appropriations Committee
Download or read book Department of Defense Appropriations for Fiscal Year 1973, Hearings Before ..., 92-2 written by United States. Congress. Senate. Appropriations Committee and published by . This book was released on 1972 with total page 1630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Senate. Committee on Appropriations. Subcommittee on Department of Defense Publisher : ISBN 13 : Total Pages :1630 pages Book Rating :4.:/5 (36 download)
Book Synopsis Department of Defense Appropriations for Fiscal Year 1973 by : United States. Congress. Senate. Committee on Appropriations. Subcommittee on Department of Defense
Download or read book Department of Defense Appropriations for Fiscal Year 1973 written by United States. Congress. Senate. Committee on Appropriations. Subcommittee on Department of Defense and published by . This book was released on 1972 with total page 1630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Millimeter Wave Propagation Measurements by : Robert W. McMillan
Download or read book Millimeter Wave Propagation Measurements written by Robert W. McMillan and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fields and Waves in Electromagnetic Communications by : Nemai Chandra Karmakar
Download or read book Fields and Waves in Electromagnetic Communications written by Nemai Chandra Karmakar and published by John Wiley & Sons. This book was released on 2023-04-11 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: FIELDS AND WAVES IN ELECTROMAGNETIC COMMUNICATIONS A vital resource that comprehensively covers advanced topics in applied electromagnetics for the professional Electromagnetism (EM) is a highly abstract and complex subject that examines how exerting a force on charged particles is affected by the presence and motion of adjacent particles. The interdependence of the time varying electric and magnetic fields—one producing the other, and vice versa—has allowed researchers to consider them as a single coherent entity: the electromagnetic field. Under this umbrella, students can learn about numerous and varied topics, such as wireless propagation, satellite communications, microwave technology, EM techniques, antennas, and optics, among many others. Fields and Waves in Electromagnetic Communications covers advanced topics in applied electromagnetics for the professional by offering a comprehensive textbook that covers the basics of EM to the most advanced topics such as the classical electron theory of matters, the mechanics model and macroscopic model. Specifically, the book provides a welcome all-in-one source on wireless and guided EM that deals in a wide range of subjects: transmission lines, impedance matching techniques, metallic waveguides, resonators, optical waveguides, optical fibres, antennas, antenna arrays, wireless systems, and electromagnetic compatibility (EMC), and more. The content is supported with innovative pedagogy, the most recent reports and working principles of relevant and contemporary technological developments including applications, specialist software tools, laboratory experiments, and innovative design projects. Fields and Waves in Electromagnetic Communications readers will also find: Multiple practical examples, similes and illustrations of interdisciplinary topics related to wireless and guided electromagnetism Explanations of new topics with support of basic theories connected to real-world contexts and associated applications Sets of technology applications that rely on advanced electromagnetism A series of review questions and drills, end-of-chapter problems, and exercises to help enforce what was learned in each chapter Fields and Waves in Electromagnetic Communications is an ideal textbook for graduate students and senior undergraduates studying telecommunication and wireless communication. It is also a useful resource for industry engineers and members of defense services. Moreover, the book is an excellent non-specialist engineering reference able to be used in other disciplines, such as biomedical engineering, mechatronics, computer science, materials engineering, civil and environmental engineering, physics, network engineering, and wireless services.
Book Synopsis The Effects of a Low-Altitude Nuclear Burst on Millimeter Wave Propagation by :
Download or read book The Effects of a Low-Altitude Nuclear Burst on Millimeter Wave Propagation written by and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this paper is to examine the limitations imposed on millimeter wave propagation by the dust produced by a low altitude nuclear burst. The closer the burst is to the surface, the larger will be the dust loaded into the nuclear fireball, a extremely hot and high ionized spherical mass of air and geasous weapons residues. The fireball absorbs, scatters and refracts the propagated wave amy also produce scintallations. In this study, only losses due to absorption and scattering are calculated. Since there is great of uncertainty as to how representative the dust model is of the true nuclear environment, a sensitivity analysis of attenuation dependence on the pertinent dust parameters was first conducted. It was found tht the dust attenuation is very heavily dependent on the maximum particle radius, the number of large particles in the distribution and the real and imaginary components of the index of refraction over the range from dry sand to clay. The attenuation is also proportional to the fraction of the atmosphere filled with dust. The total attenuation produced by a 1 megation burst at the surface is then computed using the WESCOM code. The attenuation includes losses due to fireball ionization, dust and atmospheric oxygen and water vapor. Results are obtained as a function of time after burst, distance from burst, elevation angle and frequency up to 95 GHz. It is found that very high attenuations occur within about 20 seconds after the burst if the path intersects the fireball. At later times attenuations of the order of tens of dB are present. Oxygen and water vapor attenuations are typically less than one dB in the window regions. (Author).
Book Synopsis Journal of Research, National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Journal of Research, National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1964 with total page 1400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications abstracts by : Environmental Research Laboratories (U.S.)
Download or read book Publications abstracts written by Environmental Research Laboratories (U.S.) and published by . This book was released on 1991 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
