A World Atlas of Atmospheric Radio Refractivity PDF Download
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Author: Institute for Telecommunication Sciences and Aeronomy (U.S.)
Publisher:
ISBN:
Category : Atmospheric radio refractivity
Languages : en
Pages : 140
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Book Description
"This atlas has been prepared for the radio engineer who wants an estimate of the behavior of the radio refractive index at any point on the earth."--Pref. "This atlas presents world maps and graphs of upper-air radio refractivity, mean monthly, extreme values of gradients of refractivity observed in the lowest layer of the atmosphere ..., and monthly mean tropopause heights."--Abstract. Published 1966.
Author: Institute for Telecommunication Sciences and Aeronomy (U.S.)
Publisher:
ISBN:
Category : Atmospheric radio refractivity
Languages : en
Pages : 140
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Book Description
"This atlas has been prepared for the radio engineer who wants an estimate of the behavior of the radio refractive index at any point on the earth."--Pref. "This atlas presents world maps and graphs of upper-air radio refractivity, mean monthly, extreme values of gradients of refractivity observed in the lowest layer of the atmosphere ..., and monthly mean tropopause heights."--Abstract. Published 1966.
Author: Elmar R. Reiter
Publisher:
ISBN:
Category : Dynamic meteorology
Languages : en
Pages : 392
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Book Description
Author: United States. Department of Commerce. Office of Telecommunications
Publisher:
ISBN:
Category : Telecommunication
Languages : en
Pages : 956
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Book Description
Author: E. J. Dutton
Publisher:
ISBN:
Category : Precipitation variability
Languages : en
Pages : 68
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Book Description
The first two sections of this paper concern radio attenuation and scattering caused by precipitation. In all computations, a continuous, widespread, horizontally homogenous, precipitation is assumed along the entire path as a maximum case. These effects are examined on an annual climatological basis for central Europe, using commonly recorded precipitation data, such as the number of days precipitation exceeds a certain amount. No attempt is made to subdivide the precipitation data any more finely than on a strictly annual basis. These data can be utilized to yeild the maximum percentage time during a year that various levels of precipitation attenuation and precipitation forward scatter in the common volume can be expected, Contour maps are presented of the results and are used in a sample calculation that emphasized thier utility.
Author: George Allen Hufford
Publisher:
ISBN:
Category : Radio
Languages : en
Pages : 80
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Book Description
Author: United States. Environmental Science Services Administration
Publisher:
ISBN:
Category :
Languages : en
Pages : 92
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Book Description
Author: George Kizer
Publisher: John Wiley & Sons
ISBN: 0470125349
Category : Technology & Engineering
Languages : en
Pages : 756
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Book Description
The first book to cover all engineering aspects of microwave communication path design for the digital age Fixed point-to-point microwave systems provide moderate-capacity digital transmission between well-defined locations. Most popular in situations where fiber optics or satellite communication is impractical, it is commonly used for cellular or PCS site interconnectivity where digital connectivity is needed but not economically available from other sources, and in private networks where reliability is most important. Until now, no book has adequately treated all engineering aspects of microwave communications in the digital age. This important new work provides readers with the depth of knowledge necessary for all the system engineering details associated with fixed point-to-point microwave radio path design: the why, what, and how of microwave transmission; design objectives; engineering methodologies; and design philosophy (in the bid, design, and acceptance phase of the project). Written in an easily accessible format, Digital Microwave Communication features an appendix of specialized engineering details and formulas, and offers up chapter coverage of: A Brief History of Microwave Radio Microwave Radio Overview System Components Hypothetical Reference Circuits Multipath Fading Rain Fading Reflections and Obstructions Network Reliability Calculations Regulation of Microwave Radio Networks Radio Network Performance Objectives Designing and Operating Microwave Systems Antennas Radio Diversity Ducting and Obstruction Fading Digital Receiver Interference Path Performance Calculations Digital Microwave Communication: Engineering Point-to-Point Microwave Systems will be of great interest to engineers and managers who specify, design, or evaluate fixed point-to-point microwave systems associated with communications systems and equipment manufacturers, independent and university research organizations, government agencies, telecommunications services, and other users.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Meteorology
Languages : en
Pages : 988
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Book Description
Author: Roger L. Freeman
Publisher: John Wiley & Sons
ISBN: 0470050438
Category : Technology & Engineering
Languages : en
Pages : 912
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Book Description
Step-by-step tutorial to master current design techniques for wireless communication systems The Third Edition of Radio System Design for Telecommunications brings this highly acclaimed book fully up to date with the latest technological advances and new applications. At the same time, the hallmarks of the previous editions, including the text's popular tutorial presentation, have been retained. Readers therefore get all the tools and guidance they need to master an essential set of current design techniques for radio systems that operate at frequencies of 3 MHz to 100 GHz. Using simple mathematics, the author illustrates design concepts and applications. The book's logical organization, beginning with a discussion of radio propagation problems, enables readers to progressively develop the skills and knowledge needed to advance in the text. Topics that are new to the Third Edition include: Chapter devoted to wireless LANs (WLANs) as detailed in IEEE 802.11 Subsections covering IEEE 802.15, 802.16, 802.20, and the wireless metropolitan area network (WMAN) WiFi, WiMax, and UWB applications that have recently experienced explosive growth Broadband radio in telecommunications, as well as offset frequency division multiplex (OFDM), a new technique for transmitting information in an interference environment The use of very small aperture satellite terminal (VSAT) systems as an economical alternative to public switched telecommunication networks (PSTN) Review questions and problems at the end of each chapter engage readers' newfound skills and knowledge and help them assess whether they are ready to progress to the next chapter. References are provided for readers who want to investigate particular topics in greater depth. Students in wireless telecommunications will find the book's tutorial style ideal for learning all the ins and outs of radio system design, whereas professionals in the industry will want to refer to the Third Edition for its clear explanations of the latest technology and applications.
