Signals and Systems

K. Raja Rajeswari, PhD, is Principal, Viswanadha Institute of Technology and Management (VITAM), Visakhapatnam, India. Earlier, she has served as Professor in the Department of Electronics and Communication Engineering, College of Engineering (Autonomous), Andhra University, Visakhapatnam, India. She has published more than 200 papers in IEE, IEEE and IETE journals and presented many papers in national and international conferences. Dr.Rajeswari is expert member for the Department of Science and Technology (DST), New Delhi under the women scientist scheme. She is also expert member for National Board of Accreditation (NBA), All India Council of Technical Education, New Delhi, India. She has guided eighteen PhDs, and presently twelve are working under her guidance. Her research interests include radar/sonar signal processing and wireless mobile communications. B. Visvesvara Rao, PhD, is Professor and Head, Department of Electronics and Communication Engineering, Mahaveer Institute of Science and Technology (MIST), Hyderabad, India. Earlier, he was with Jawaharlal Nehru Technological University, College of Engineering, Kakinada for 35 years. He has published/presented several papers in international/national journals and conferences.