CS 801C-Digital Signal Processing |
Introduction, Overview of digital signal processing |
Review of :Discrete – Time linear system, Sequences, arbitrary sequences, linear time invariant system, causality,
stability. Difference equation, relation between continuous and discrete system. Classifications of sequence, recursive
and non-recursive system.
Review of :Mathematical operations on sequences: Convolution, graphical and analytical techniques, overlap and add
methods, matrix method, some examples and solutions of LTI systems, MATLAB examples.
Z-transform: Definition, relation between Z transform and Fourier transform of a sequence, properties of Z transform,
mapping between S-plane and Z-plane. Unit circle, convergence and ROC, Inverse Z-transform, solution of difference
equation using the one sided Z-transform MATLAB examples.
Discrete Fourier transform: Definition, inverse discrete Fourier transform (IDFT) Twiddle factor, linear
transformation, basic properties, circular convolution, multiplication of DFT, linear filtering using DFT, filtering of
long data sequences, overlap add and save method. Computation of DFT, Fast Fourier transform (FFT), FFT
algorithm, Radix 2 algorithm. Decimation-in-time and decimation-in- frequency algorithm, signal flow graph,
butterflies, Chirp z-transform algorithm, MATLAB examples.
Digital filter realization: Principle of digital filter realization, structures of All-zero filters. Design of FIR (Finite
impulse response) filters, linear phase, windows-rectangular, Berlitt, Hanning, Hamming and Blackman. Design of
infinite impulse response filters (IIR) from analog filters. Bilinear transformation, Butterworth, Chebyshev, Elliptic
filters. Optimisation method of IIR filters. Some example of practical filter design. Computer aided filter design,
MATLAB examples
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Text Books: |
1. “Digital Signal Processing”, Ifeachor, Pearson
2. “Understanding Digital Signal Processing”, R. G. Lyons, Pearson
3. “Theory and Application of Digital Signal Processing”, L.R. Rabiner & B.Gold, PHI
4. “Digital Signal Processing, Principles, Algorithms and Applications”, J.G. Proakis & D.G. Manolakis, PHI
5. “Digital Signal Processing”, S. Salivahanan et al, TMH
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Reference: |
1. Digital Signal Processing, Chen, OUP
2. Digital Signal Processing with FPGA, Meyer-Basse U, Spriger India
3. Digital Signal Processing using MATLAB, Ingle, Vikas
4. Digital Signal Processing , Babu R, Scitech
5. Digital Signal Processing - A Computer based approach, S.K.Mitra, TMH
6. Digital Signal Processing, Xavier, S. Chand
7. Digital Signal Processing Applications, Pradhan, Jaico
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