230713220 DIGITAL COMMUNICATIONS I ( 3 Crd.Hrs )

Pre-Requisites : 230713120, 230313131

Classification of signals, orthogonal signals, Geometric representation of signals, spectral density, autocorrelation, random signals and stochastic processes, signal transmission through linear systems, bandwidth of digital data. Sampling theory, pulse code modulation and differential PCM and Delta modulation, baseband data transmission and matched filter receiver. PCM systems bandpass modulation and demodulation: ASK, PSK, FSK, and QPSK