Some articles on communications systems, systems, system, communication:
Diver Communications - Voice Communications
... hard-wired (cable) and through-water electronic voice communications systems may be used with surface supplied diving ... Wired systems are more popular as there is a physical connection to the diver for gas supply in any case, and adding a cable does not make the system any ... Wired communications systems are still more reliable and simpler to maintain than through-water systems ...
... hard-wired (cable) and through-water electronic voice communications systems may be used with surface supplied diving ... Wired systems are more popular as there is a physical connection to the diver for gas supply in any case, and adding a cable does not make the system any ... Wired communications systems are still more reliable and simpler to maintain than through-water systems ...
Electronic Systems Center - History
... ESC was originally activated as the Electronic Systems Division (ESD) on 1 April 1961 at Laurence G ... ESD was placed under the newly-established Air Force Systems Command ... The Electronic Systems Division had emerged after a decade of efforts to meet a major post-war threat to the North American continent—attack by long-rang ...
... ESC was originally activated as the Electronic Systems Division (ESD) on 1 April 1961 at Laurence G ... ESD was placed under the newly-established Air Force Systems Command ... The Electronic Systems Division had emerged after a decade of efforts to meet a major post-war threat to the North American continent—attack by long-rang ...
Coherence Time (communications Systems)
... In communications systems, a communication channel may change with time ... Such channel variation is much more significant in wireless communications systems, due to Doppler effects ...
... In communications systems, a communication channel may change with time ... Such channel variation is much more significant in wireless communications systems, due to Doppler effects ...
Famous quotes containing the word systems:
“We have done scant justice to the reasonableness of cannibalism. There are in fact so many and such excellent motives possible to it that mankind has never been able to fit all of them into one universal scheme, and has accordingly contrived various diverse and contradictory systems the better to display its virtues.”
—Ruth Benedict (1887–1948)
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