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ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.E/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Air Force Cambridge Research Laboratories (U.S.)
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ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.3/5 (91 download)
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:
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ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.6/5 (248 download)
Download or read book Environmental Research Papers written by and published by . This book was released on with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ming S. Wong
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ray-tracing Simulation of Swept-frequency Backscatter Ionograms written by Ming S. Wong and published by . This book was released on 1974 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computed swept-frequency traces of minimum group-path in backscatter-radar ionograms are presented for ionospheric electron distributions in the polar region. Some of the traces for ground backscatter contain cusps that are shown to result when a small fraction of rays from the radar encounter a region in which the vertical electron-density gradient decreases sharply with distance after the rays passed through apogees. An accurate geomagnetic field model is used in obtaining traces for direct backscatter from field-aligned ionization that causes radar auroral clutter. A method is described for representing three-dimensional electron distributions. The method is sufficiently flexible for iterative ray computations, which appear as a reasonable and potentially reliable approach to the problem of converting backscatter-radar ionograms to electron distributions.
Author : J. Buchau
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)
Download or read book Detailed Specification of the Arctic Ionosphere and an Application to Three-dimensional Raytracing written by J. Buchau and published by . This book was released on 1973 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A statistical analysis of Alouette topside ionograms shows that the probability of occurrence of the midlatitude F-layer trough is 100 percent in winter and at equinox, and is 50 percent in summer. The trough, which is generally centered on 55 degrees corrected geomagnetic latitude and which is about 5 degrees to 10 degrees wide, extends throughout the night hemisphere with f(o)F2 values less than 2 MHz. Comparison of the location of the trough to the area in which coverage by an over the horizon backscatter (OTHB) system is anticipated shows that the trough will adversely affect system performance in the northeast direction most of the night. An in-depth case study of the effects of the trough on HF propagation was made, based on an instantaneous three-dimensional description of the ionosphere. This description of the ionosphere was composed of cross sections showing ionospheric electron-density structure in the area northeast of the Polar Fox II site. Three-dimensional raytracing was applied to this description of the ionosphere, and the trough and the steep electron-density gradient at the poleward edge of the trough were found to adversely affect propagation of HF signals. (Modified author abstract).
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ISBN 13 :
Total Pages : 718 pages
Book Rating : 4.3/5 (243 download)
Download or read book Air Force Surveys in Geophysics written by and published by . This book was released on 1973 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ming S. Wong
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Iterative Ray-tracing Simulation of Minimum Group-path Traces in Swept-frequency Backscatter Ionograms written by Ming S. Wong and published by . This book was released on 1975 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Swept-frequency traces of minimum group-path length in backscatter-radar ionograms, computed for a measured three-dimensional electron distribution in the midnight sector of the polar ionosphere, are presented. Also presented are minimum group-path traces computed for trial electron distributions chosen to simulate the group-path traces of the measured electron distribution, and to show the effects on the group-path traces as consequences of variations made upon major features of the trial electron distributions.
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ISBN 13 :
Total Pages : 1000 pages
Book Rating : 4.F/5 ( download)
Download or read book Government Reports Announcements written by and published by . This book was released on 1974 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 768 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.E/5 ( download)
Download or read book International Conference on Antennas and Propagation written by and published by . This book was released on 1993 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. D. Hunsucker
Publisher : Cambridge University Press
ISBN 13 : 1139435000
Total Pages : 639 pages
Book Rating : 4.1/5 (394 download)
Download or read book The High-Latitude Ionosphere and its Effects on Radio Propagation written by R. D. Hunsucker and published by Cambridge University Press. This book was released on 2007-09-10 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: A modern treatment of the physics and phenomena of the ionosphere, beginning with the basics of radio propagation and the use of radio techniques in ionospheric studies. Ample cross-referencing, chapter summaries and reference lists make this book an invaluable aid for graduate students, ionospheric physicists and radio engineers.
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ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (318 download)
Download or read book Eleventh International Conference on Antennas and Propagation written by and published by . This book was released on 2001 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institution of Electrical Engineers
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ISBN 13 :
Total Pages : 428 pages
Book Rating : 4.:/5 (318 download)
Download or read book Eighth International Conference on HF Radio Systems and Techniques, 10-13 July 2000, Venue University of Surrey, Guildford, UK written by Institution of Electrical Engineers and published by . This book was released on 2000 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the Eighth International Conference on HF Radio Systems and Techniques. There are 72 papers altogether.
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ISBN 13 :
Total Pages : 1412 pages
Book Rating : 4.:/5 (319 download)
Download or read book Meteorological and Geoastrophysical Abstracts written by and published by . This book was released on 1974 with total page 1412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.3/5 (243 download)
Download or read book Radio Science written by and published by . This book was released on 2003 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1074 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Index written by and published by . This book was released on 1975 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1212 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1982 with total page 1212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
