Dsp 151v73

SEMESTER VI DIGITAL SIGNAL PROCESSING L T P M C 3 1 0 100 4 UNIT I DISCRETE TIME SIGNALS AND SYSTEMS 9+3 Sequence and sequence representation, Sampling process, Discrete time systems, Time domain characterization of LTI discrete time systems, Classification of LTI systems, Correlation of Signals, Random Signals. UNIT II DIGITAL FILTER STRUCTURES 9+3 Basic FIR Digital Filter Structures, All Filters, IIR Digital Filter Design, Properties of IIR filters, IIR filter design, Characteristics of FIR filters with linear phase, Design of high , Band and Band stop IIR filter design UNIT III DISCRETE FOURIER TRANSFORM 9+3 Discrete Fourier Transform (DFT) , Definition , Properties , Relationship between the Fourier transform and the DFT, Operation of finite length sequences, classification, DFT symmetry relations, Fourier Domain Filtering, Linear Convolution using DFT, Discrete Cosine Transform, The Haar Transform. UNIT IV EFFECTS OF FINITE LENGTH 9+3 Effect of number representation on Quantization, Quantization in Sampling Analog signals. Finite Length effects in realization of IIR digital filters, Finite length effects in realization of FIR digital filters, Effects of Finite length in DFT computations UNIT V MULTIRATE DIGITAL SIGNAL PROCESSING 9+3 Introduction, Decimation by a factor D, Interpolation by a factor I, Sampling rate conversion by a rational factor I/D, Applications of multi rate signal processing, POWER SPECTRUM ESTIMATION: Basic principles of Estimation Theory, Estimation of Auto covariance, Periodogram method of Power Spectral Estimation, Smoothed Spectrum Estimators TOTAL : 60 TEXT BOOKS: 1. Sanjit K Mitra, “Digital Signal Processing - A Computer Baeed Approach”, Third Edition, Tata McGraw-Hill Publishing Co. Pvt., Ltd., New Delhi, 2008 2. Oppenheim A.V, Schaffer R.W., “Discrete-time Signal Processing”, Second edition, Prentice Hall, New Delhi, 2002. REFERENCE BOOKS: 1. Somanathan Nair, “ Digital Signal Processing”, PHI Learning, New Delhi, 2005 2. John G. Proakis and Dimitris K Manolakis., “Digital Signal Processing Principles, Algorithms and Applications ” fourth edition, Prentice Hall, New Delhi, 2006. 3. Sanjit K. Mitra, “Digital Signal Processing - A Computer Based Approach", second edition, Tata McGraw Hill, New Delhi, 2001. 4. Johny R.Johnson, “Introduction to Digital Signal Processing”, second edition, PHI/Pearson Education, New Delhi, 2003.