## Introduction to Digital Communications |

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### Contents

Review and Notation | 1 |

Introduction to Random Processes | 22 |

Linear Filtering of Random Processes | 68 |

Copyright | |

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11 other sections not shown ## Common terms and phrasesamplitude antipodal signals autocorrelation function average probability bandpass bandwidth baseband BFSK binary ASK binary digits BPSK chip waveform code word coherent communication system continuous-time correlation receiver corresponds crosscorrelation crosscorrelation function decision regions decision rule decision statistic defined demodulation denote density function desired signal discrete-time distribution function energy evaluate example expression follows Fourier transform frequency function Gaussian random process given Hamming code illustrated in Figure impulse response inphase input integral intersymbol interference interval linear filter linear system m-sequences matched filter maximum-likelihood decision minimax minimax threshold modulation noncoherent obtained orthogonal signals parameters phase angle probability of error QASK signal QPSK quadrature random process random process X(t received signal receiver of Figure rectangular pulse Reed-Solomon code result sampling Section sent shown in Figure signal component signal constellation signal set signal-to-noise ratio spectral density spread-spectrum Suppose symbol error probability transmitted signal variance vector waveform white Gaussian noise wide-sense stationary zero ## Bibliographic information |