This textbook presents an introduction to the fundamental concepts of continuous-time (CT) and discrete-time (DT) signals and systems, treating them separately in a pedagogical and self-contained ...

With end-of-chapter exercises, MATLAB simulations and numerous illustrations, this book discusses the design of reliable numerical methods to retrieve missing information in models derived using ...

In this first chapter, we introduce the concept of a signal as a real or complex function of time. We pay special attention to sinusoidal signals and to real and complex exponential signals, as they ...