Results 191 to 200 of about 658,847 (223)

Radio Photographs, Radio Movies, and Radio Vision [PDF]

open access: possibleTransactions of the Society of Motion Picture Engineers, 1923
Attempts to send pictures electrically, and to see by wire, i.e., “television,” are very old, dating back well-nigh a hundred years. And as radio differs from wire only as a means of carrying the picture characteristics over the intervening distance between stations, with the advantages in favor of radio, it is quite natural that the early workers ...
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Radio Astronomy (Radio Astronomie)

1971
The President welcomed members of the Commission and the large gathering of non-members present. He recorded with deep regret the death in July 1968 of Professor S. E. Khaikin of Pulkovo Observatory.
S. F. Smerd, J. P. Wild
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Radio Engineering: From Software Radio to Cognitive Radio

2011
Software radio ideally provides the opportunity to communicate with any radio communication standard by modifying only the software, without any modification to hardware components. However, taking into account the static behavior of current communications protocols, the spectrum efficiency optimization, and flexibility, the radio domain has become an ...
Palicot, Jacques   +14 more
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Introduction to radio and radio antennas

IEEE Spectrum, 1971
Electromagnetic wave propagation is a simple and beautiful phenomenon, but its rigorous mathematical derivation from Maxwell's equations is formidable. This article makes many of the concepts visible and plausible using only mathematics available to college freshmen and taught today in most high schools.
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Education for Radio, Radio for Education

The Clearing House: A Journal of Educational Strategies, Issues and Ideas, 1936
(1936). Education for Radio, Radio for Education. The Clearing House: A Journal of Educational Strategies, Issues and Ideas: Vol. 10, No. 7, pp. 400-401.
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Radio logicielle, radio cognitive

2013
Il y a 20 ans déjà que la radio logicielle a été définie conceptuellement dans l’article fondateur de Joe Mitola III de 1995 sur la “software radio architecture” paru dans l’IEEE Communications Magazine. Comme c’est souvent le cas dans les secteurs technologiques, les militaires (DoD, Department of Defense des Etats-Unis) ont été précurseurs dans le ...
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Radio

The Musical Times, 1981
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To Radio or Not to Radio

American Journal of Physical Medicine & Rehabilitation, 1926
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