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Low Altitude Millimeter Wave Propagation In The Evaporation Duct
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Book Synopsis Low-Altitude Millimeter-Wave Propagation in the Evaporation Duct by :
Download or read book Low-Altitude Millimeter-Wave Propagation in the Evaporation Duct written by and published by . This book was released on 1989 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: One-way, low-altitude radio propagation measurements at 94 GHz and simultaneous surface meteorological measurements were made on a 40.6-km over- the-horizon, over-water path along the southern California coast to assess the effects of the evaporation duct on signal propagation. More than 2000 hours of received signal power were recorded in eight measurement periods from July 1986 through July 1987. The average received power was 63 dB greater than expected for propagation in a nonducting, or standard, atmosphere; 90% of the measurements were at least 55 dB greater than the standard atmosphere. Predictions of transmission loss based on the observed surface meteorology compared favorably to the measured transmission loss; on the average, the predictions underestimated the transmission loss by 10 dB. The reliability and reasonable accuracy of the model provided a strong justification for utilizing the technique to assess millimeter-wave communication and radar systems operating in many, if not all, ocean regions. Keywords: Evaporation duct; Radio propagation; Numerical modeling; Millimeter wave communication; Over-the-horizon signal propagation.
Book Synopsis Evaporation Duct Effects at Millimeter Wavelengths by : K. D. Anderson
Download or read book Evaporation Duct Effects at Millimeter Wavelengths written by K. D. Anderson and published by . This book was released on 1992 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The evaporation duct strongly influences low-altitude over-the- horizon propagation at millimeter wavelengths. Results from more than 2000 hours of propagation and meteorological measurements made at 94 GHz on a 40.6 km over- horizon, over-water path along the southern California coast show that that average received power was 63 dB greater than d for propagation in a nonducting, or standard, atmosphere; 90 percent of the measurements were at least 55 dB greater than diffraction. A numerical model of transmission loss based on the observed surface meteorology is discussed and results are compared to measured transmission loss. On average, modeling results underestimate observations by only 10 dB. In addition, results from modelling based on an independent climatology of evaporation duct heights for the area are shown to be adequate for most propagation assessment purposes. The reliability and reasonable accuracy of the numerical model provides a strong justification for utilizing the technique to assess millimeter wave communication and radar systems operating in many, if not all, ocean regions. electromagnetic, propagation, electro-optics, atmosphere.
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 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Reports Awareness Circular : TRAC. by :
Download or read book Technical Reports Awareness Circular : TRAC. written by and published by . This book was released on 1988-05 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wireless Communications and Networking for Unmanned Aerial Vehicles by : Walid Saad
Download or read book Wireless Communications and Networking for Unmanned Aerial Vehicles written by Walid Saad and published by Cambridge University Press. This book was released on 2020-04-02 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: A thorough treatment of UAV wireless communications and networking research challenges and opportunities. Detailed, step-by-step development of carefully selected research problems that pertain to UAV network performance analysis and optimization, physical layer design, trajectory path planning, resource management, multiple access, cooperative communications, standardization, control, and security is provided. Featuring discussion of practical applications including drone delivery systems, public safety, IoT, virtual reality, and smart cities, this is an essential tool for researchers, students, and engineers interested in broadening their knowledge of the deployment and operation of communication systems that integrate or rely on unmanned aerial vehicles.
Book Synopsis Operational Decision Aids for Exploiting Or Mitigating Electromagnetic Propagation Effects by :
Download or read book Operational Decision Aids for Exploiting Or Mitigating Electromagnetic Propagation Effects written by and published by . This book was released on 1989 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1990 with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography and Synopsis of Literature Concerned with Microwave and Millimeter Wave Propagation Effects by : E. J. Dutton
Download or read book Bibliography and Synopsis of Literature Concerned with Microwave and Millimeter Wave Propagation Effects written by E. J. Dutton and published by . This book was released on 1982 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990-03 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Communications Technology & Electronics by :
Download or read book Journal of Communications Technology & Electronics written by and published by . This book was released on 1996 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Physical Science and Technology by :
Download or read book Encyclopedia of Physical Science and Technology written by and published by . This book was released on 1992 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development Publisher : ISBN 13 : Total Pages :188 pages Book Rating :4.3/5 (126 download)
Book Synopsis AGARD Lecture Series by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Download or read book AGARD Lecture Series written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 199? with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microwave Research Institute Symposia Series by :
Download or read book Microwave Research Institute Symposia Series written by and published by . This book was released on 1971 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by Jerome Fox and published by . This book was released on 1971 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development Publisher : ISBN 13 : Total Pages :614 pages Book Rating :4.3/5 (243 download)
Book Synopsis AGARD Index of Publications by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Download or read book AGARD Index of Publications written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 1995 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Sensor and Propagation Panel. Symposium Publisher : ISBN 13 : Total Pages :372 pages Book Rating :4.:/5 (31 download)
Book Synopsis Propagation Assessment in Coastal Environments by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Sensor and Propagation Panel. Symposium
Download or read book Propagation Assessment in Coastal Environments written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Sensor and Propagation Panel. Symposium and published by . This book was released on 1995 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atmospheric Water Vapor: A Nemesis for Millimeter Wave Propagation by : Hans J. Liebe
Download or read book Atmospheric Water Vapor: A Nemesis for Millimeter Wave Propagation written by Hans J. Liebe and published by . This book was released on 1980 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
