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الكتب الكتب 1 - 7 من 7 فيCarrier system. A means of obtaining a number of channels over a single path by modulating....
" Carrier system. A means of obtaining a number of channels over a single path by modulating each channel on a different carrier frequency and demodulating at the receiving point to restore the signals to their original form. "
Technology Transfer to the Middle East: Summary - الصفحة 189
1984 - عدد الصفحات: 27
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Encyclopedia of Library and Information Science: Volume 41 - Supplement 6 ...

Allen Kent - 1986 - عدد الصفحات: 376
...general public and regulated by an appropriate public agency. Carrier system: A means of obtaining a number of channels over a single path by modulating each channel on a different carrier frequency and demodulating at the receiving point to restore the signals to their original...
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The FCC Public Message Services Policy Change: An ETIP ..., المجلد 1

United States. National Bureau of Standards, James Bell - 1979
...which supply communication services to users at published prices. CARRIER SYSTEM: A means of obtaining a number of channels over a single path by modulating each channel upon a different "carrier" frequency and demodulating at the receiving point to restore the signals...
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Technology Transfer to the Middle East

1984 - عدد الصفحات: 612
...channels on a single microwave carrier. Time division multiplex transmits two or more signals on a common path by using different time intervals for different...transmission uses a satellite placed in geostationary orbit4 to communicate telephone, radio and television, and data signals. The satellite operates essentially...
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Telecommunications Essentials: The Complete Global Source for Communications ...

Lillian Goleniewski - 2002 - عدد الصفحات: 582
...frequency of the carrier wave that is modulated to transmit signals. carrier system A means of obtaining a number of channels over a single path by modulating each channel on a different carrier frequency and demodulating at the receiving point to restore the signals to their original...
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NFPA Pocket Guide to Fire Alarm System Installation

Merton W. Bunker (Jr.), Merton W. Bunker, Jr., Richard J. Roux - 2006 - عدد الصفحات: 610
...energy that can be modulated by voice or signaling impulses. [72] Carrier System. A means of conveying a number of channels over a single path by modulating each channel on a different carrier frequency and demodulating at the receiving point to restore the signals to their original...
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OT Report, المجلدات 15-25

United States. Dept. of Commerce. Office of Telecommunications - 1973
...also commonly used to refer to telecommunication companies. (2) Carrier System. A means of obtaining a number of channels over a single path by modulating each channel on a different carrier frequency and demodulating at the receiving point to restore the signals to their original...
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Ballistic missile defense glossary

...Cost Analysis Requirements Description. Counter Anti-Radiation Missile (PATRIOT). A means of obtaining a number of channels over a single path by modulating each channel upon a different "carrier" frequency, and demodulating at the receiving point to restore the signals...
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