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Principles of system planning
Services for transmission
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alignment amplitude amplitude modulation analogue assume attenuation bandwidth baseband basic Bell Syst binary bipolar carrier CCITT channel Chapter characteristic impedance characteristics circuit coaxial cable code word codec communication companding component conductor considered decoded defined described detection detector deviation digit rate digital systems digital transmission effects equalisation error probability error rate example eye pattern filter frame-alignment word frequency Gaussian given IEEE impairment impedance intersymbol interference jitter justification kbit/s length limit line code loss low-frequency Mbit/s multiplex near-end crosstalk noise operations optimum output p.c.m. system pair cables parameters performance phase practical pulse code modulation quantiser radio random ratio received reference regenerator repeater response result sampling scheme Section sequence shown in Fig sidebands slots specific spectral spectrum switching symbol rate tank circuit Tech techniques telephony terminal ternary theorem threshold tion Trans transmission path transmission systems transmitted waveform waveguide zero