Digital Communications with Fiber Optics and Satellite Applications

amplitude antenna Assume band-pass filter baseband beam binary biphase bit periods bit rate bit synchronizer block BPSK carrier carrier synchronization channel Chapter circuit clock code word component Costas loop data rate decoding delay demodulator detection diagram digital radio discussed down-link E/No Earth station EIRP encoding equal equation example f₁ fiber frequency Gold code GOVT hopping IEEE illustrated in Figure increase input signal INTELSAT jitter lock loop filter loss maximum modulation schemes modulation techniques operation optical output parameters performance phase detector phase error PN code PN sequence pulse QPSK quantization ratio received signal Refer to Figure sampling satellite sequence shift shown in Figure signal power spectrum spread-spectrum symbol rate sync TDMA tracking transfer function transmission transmitted transponder up-link USSR PT&T voltage waveform wavelength zero