24th Annual Precise Time And Time Interval Ptti Applications And Planning Meeting

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24th Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting

Author : Richard L. Sydnor
Publisher : Unknown
Page : 508 pages
File Size : 54,7 Mb
Release : 1993
Category : Artificial satellites
ISBN : NASA:31769000470594

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24th Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting by Richard L. Sydnor Pdf

Papers covered: recent developments in rubidium, cesium, and hydrogen-based frequency standards, and in cryogenic and trapped-ion technology; international and transnational applications of PTTI technology with emphasis on satellite laser tracking networks, GLONASS timing, intercomparison of national time scales, and international telecommunications; applications of PTTI technology to the telecommunications, power distribution, and platform positioning, and geophysical survey industries; applications of PTTI technology to evolving military communications and navigation systems; and dissemination of precise time and frequency by means of GPS, GLONASS, MILSTAR, Loran, and synchronous communications satellites.

The Communications Handbook

Author : Jerry D. Gibson
Publisher : CRC Press
Page : 1616 pages
File Size : 44,7 Mb
Release : 2018-10-08
Category : Technology & Engineering
ISBN : 9781420041163

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The Communications Handbook by Jerry D. Gibson Pdf

For more than six years, The Communications Handbook stood as the definitive, one-stop reference for the entire field. With new chapters and extensive revisions that reflect recent technological advances, the second edition is now poised to take its place on the desks of engineers, researchers, and students around the world. From fundamental theory to state-of-the-art applications, The Communications Handbook covers more areas of specialty with greater depth that any other handbook available. Telephony Communication networks Optical communications Satellite communications Wireless communications Source compression Data recording Expertly written, skillfully presented, and masterfully compiled, The Communications Handbook provides a perfect balance of essential information, background material, technical details, and international telecommunications standards. Whether you design, implement, buy, or sell communications systems, components, or services, you'll find this to be the one resource you can turn to for fast, reliable, answers.

Where Minds and Matters Meet

Author : Volker Janssen,Amy Bix,Linda Nash
Publisher : Univ of California Press
Page : 400 pages
File Size : 43,6 Mb
Release : 2012-12-12
Category : History
ISBN : 9780520289109

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Where Minds and Matters Meet by Volker Janssen,Amy Bix,Linda Nash Pdf

The American WestÑwhere such landmarks as the Golden Gate Bridge rival wild landscapes in popularity and iconic significanceÑhas been viewed as a frontier of technological innovation. Where Minds and Matters Meet calls attention to the convergence of Western history and the history of technology, showing that the regionÕs politics and culture have shaped seemingly placeless, global technological practices and institutions. Drawing on political and social history as well as art history, the bookÕs essays take the cultural measure of the regionÕs great technological milestones, including San DiegoÕs Panama-California Exposition, the building of the Hetch Hetchy Dam in the Sierras, and traffic planning in Los Angeles. Contributors: Amy Bix, Louise Nelson Dyble, Patrick McCray, Linda Nash, Peter Neushul, Matthew W. Roth, Bruce Sinclair, L. Chase Smith, Carlene Stephens, Aristotle Tympas, Jason Weems, Peter Westwick, Stephanie Young

Topological Properties and Global Structure of Space-Time

Author : Peter G. Bergmann,Venzo De Sabbata
Publisher : Springer
Page : 289 pages
File Size : 51,5 Mb
Release : 2013-12-19
Category : Science
ISBN : 9781489936264

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Topological Properties and Global Structure of Space-Time by Peter G. Bergmann,Venzo De Sabbata Pdf

The Ninth Course of the International School of Cosmology and Gravita tion of the Ettore Majorana Centre for Scientific Culture is concerned with "Topological Properties and Global Structure of Space-Time." We consider this topic to possess great importance. Our choice has also been influenced by the fact that there are many quest ions as yet unre solved. Standard general relativity describes space-time as a four-dimensional pseudo-Riemannian manifold, but it does not prescribe its large-scale structure. Inorderto attempt answers to some topological questions, such as whether our universe is open or closed, whether it is orientable, and whether it is complete or possesses singularities, various theoretical approaches to global aspects of gravitational physics are presented here. As topological questions playa role in non-standard theories as weIl, it will be found that some of the lectures and seminar talks in this volume adopt the point of view of standard relativity, whereas others are based on different theories, such as Kaluza-Klein theories, bimetric theories, and supergravity. We have found it difficult to organize these papers into classes, say standard and non-standard theory, or models with and without singularities. One paper, by R. Reasenberg, is experimental. Its purpose was to give the theorists present an inkling of the opportunities, as weIl as the pitfalls, of experimental research in gravitational physics. Accordingly, we have arranged all contributions alphabetically, by ~first-named) author.