IEE Telecommunications Series, Issue 20Institution of Electrical Engineers, 1989 - Telecommunication |
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Common terms and phrases
allocated amplifiers amplitude angular attenuation axis backoff bandwidth baseband bit rate burst characteristics circuits communications satellites companding comprise corresponding dBm0 demodulator deviation diameter earth stations earth-station antennas EIRP encoding equipment error example FDM assembly filter frequency band gain geostationary orbit geostationary satellite group delay HPAs increases INMARSAT input INTELSAT interference intermodulation products isotropic antenna kbit/s L-band large number launch vehicle launcher Link Budget maximum modulation multiplex noise power noise temperature operation output power path plane polarisation power density power ratio pre-emphasis QPSK radiation radio receive reduce reflector relative RF bandwidth rotation satellite communications satellite systems SCPC Section ships signal signal-to-noise solar specified spectral power density spectrum spin-stabilised spot beams Standard-A switching TDMA telephone channel television terminal terrestrial stations thrusters traffic transfer orbit transmitted transponder usually velocity