**Digital Signal Processing towards Communication Engineering**

**Acknowledgements**

VIII Preface

I thank the Almighty for showering His blessings and giving me the intelligence and energy to complete this work. My sincere thanks to the management of Dr. Mahalingam College of Engineering and Technology and Prof. C. Ramaswamy, Secretary, NIA Institutions, for their encouragement and patronage rendered to carry out this work. I am indebted to my wife Mrs. Vinitha Mohan. Her support, encouragement, quiet patience and unwavering love un‐ deniably led me to the successful completion of the work. I am at a loss for words to thank my son S.V. Hemesh for putting up with my preoccupation, for his understanding and for the love he gave me. I am grateful to InTech publisher, especially the Publishing Process Manager Ms. Iva Lipović who constantly helped me in bringing this book to completion.

**Dr. Sudhakar Radhakrishnan**

India

Department of Electronics and Communication Engineering, Dr. Mahalingam College of Engineering and Technology,

#### **Chapter 1**
