This book is very useful to the Engineering students and they must have a prior knowledge of E- transforms, The author of this book covers the following topics and this book consists of 5 Chapters, Chapter 1: Linear shift invariant systems, Chapter 2 : Discrete Fourier transforms, Chapter 3: FIR Filters, Chapter 4:HR filters and Chapter 5 : Finite word lenght effects in digital filters. As a whole this book is very useful to gain the knowledge of DIGITAL SIGNAL PROCESSING.
