Signals, Systems and Communication

The importance of signal analysis (frequency analysis of signals) in modern theory of linear systems and communication theory cannot be overstressed. The study of signals leads into the analysis of linear systems and frequency transform methods, on one hand; on the other hand, it leads directly into communication theory. This book presents a unified treatment of the analysis of linear systems (frequency-domain analysis of lumped and distributed systems) and basic communication principles (modulation, demodulation, correlation, noise, information transmission). For such an integrated approach, it is necessary to have a deeper appreciation of signal analysis than is customarily given in introductory treatments. Here an attempt is made not only to develop the significant results in signal analysis mathematically, but also to present intuitive and qualitative interpretations of such results.