satellite modem

A device used to transmit and receive signals from a satellite transponder. For transmission, it modulates digital data signals from a multiplexing device into a carrier frequency for delivery to an upconverter, amplifier and antenna. For receiving, it converts the frequencies from the downconverter into digital pulses for the multiplexor.

Commercial telecom providers use stand-alone satellite modems; however, the satellite receivers and large dishes that were used before DSS became popular contained the demodulator part of the modem. See earth station.

单词	satellite modem
释义	DictionarySeeearth station satellite modem satellite modem A device used to transmit and receive signals from a satellite transponder. For transmission, it modulates digital data signals from a multiplexing device into a carrier frequency for delivery to an upconverter, amplifier and antenna. For receiving, it converts the frequencies from the downconverter into digital pulses for the multiplexor. Commercial telecom providers use stand-alone satellite modems; however, the satellite receivers and large dishes that were used before DSS became popular contained the demodulator part of the modem. See earth station. AcronymsSeesamarium
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