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THE FIRST 20 YEARS OF COMMUNICATIONS SATELLITE
SYSTEM DESCRIPTION DEPLOYMENT AND COST
ORBITS LAUNCH SEQUENCE AND POSITIONING ON STATION
17 other sections not shown
2irfct addition amplitude angle antenna approximately autocorrelation axis band bandpass bandwidth baseband beam binary block codes carrier carrier-to-noise ratio channel characteristic code word Communication Systems components convolutional codes decoding defined density depicted in Fig detection detector downlink earth station earth-station EIRP elements energy Equation error example FDMA FIGURE flywheel Fourier transform frequency spectrum function gaussian geostationary gyro Hamming distance Hilbert transform input Intelsat interference launch vehicle linear low-noise low-pass filter matrix maximum modulation multiplexed multiplication n-tuple noise figure noise power noise temperature nonlinearities obtain operation orbit plane orthogonal output phase polarization probability quantization radiation relationship result sampling satellite communications sensors sequence signal signal-to-noise ratio sinusoidal solar space segment spacecraft symbol synchronous TDMA techniques threshold tion transmission transmitted transponder two-port network TWT amplifier uplink utilizing vector space voltage waveform zero