Signals And Systems

This book is intended to provide a modern treatment of signals and systems at an introductory level. As such, it is intended for use in electrical engineering curricula in the sophomore or junior years and is designed to prepare for upper-level courses in communication system, control systems, and digital signal processing. The book provides a balanced and integrated treatement of continuous-time and discrete-time forms of signals and systems intended to reflect their roles in engineering practice. Specifically, these two forms of signals and systems are treated side by side. This approach has the pedagogical advantage of helping the student see the fundamental similarities and difference between discrete-time and continuous-time representations. Realworld problems often involve mixtures of continuous-time and discrete-time forms, so the integrated treatment also prepares the student for practical usage of these concepts. This integrated philosophy is carried over to the chapters of the book that deal with applications of signals and systems in modulation, filtering and feedback systems.