DIGITAL SIGNAL PROCESSING

CS010 504(EC) DIGITAL SIGNAL PROCESSING

SYLLABUS

Module 1: (12 Hrs):

Introduction to Signals & Systems:- Continuous Time Signals and Discrete Time Signals- Generation of Discrete Time Signals – Sampling, Elementary Discrete Time Signals- Operations on Discrete Time Signals- Convolution- Discrete Time Systems -Properties of Discrete Time Systems-Linearity, Time invariance-Causality-Stability- Linear Time Invariant (LTI) Systems Difference Equation representation of LTI Systems -The Z transform-Properties of Z transform- Inverse Z transform-System Transfer function.

Module 2: (12 Hrs):

Frequency Domain Representation of Discrete Time Signals:- Discrete Time Fourier Transform (DTFT) properties, Discrete Fourier Transform(DFT) properties& Fast Fourier Transform( FFT) Decimation in Time &Decimation in Frequency algorithms.

Module 3(13Hrs):

Finite Impulse Response Filter:- FIR Filters with Linear Phase, Need of Linear Phase, FIR Filter Design Methods- Fourier Series Method – Window Method- Design of FIR Filters using Rectangular, Triangular,Hamming, Hanning, Blackmann and Kaiser Windows. Realization of FIR Filter- Direct, Linear Phase and Cascade Realizations.

Module 4: (13 Hrs):

Infinite Impulse Response Filters:- Steps in IIR Filter Design, Conversion of Analog Filter to Digital Filter- Impulse Invariant and Bilinear Transformations, Analog Filter Design Approximations- Butterworth and Chebyshev Approximations., Realization of IIR Filter- Direct, Cascade and Parallel Realizations.

Module 5(10 Hrs):

Introduction to DSP Chips: - Basic Architecture of a DSP chip, Case Study: TMS 320, TigerSHARC Processors (Overview of Architecture and Features) Applications of DSP:- Audio Signal Processing and Compression, Image Processing- JPEG Compression, Video Compression, Speech Processing and Recognition, Weather Forecasting, RADAR, (Brief idea only)

Text Books:

1. Oppenheim A.V.Schafer R.W. Discrete-Time Signal Processing- PrenticeHall/Pearson.-   DOWNLOAD

2. Andreas Antoniou Digital Signal Processing Tata McGrawHill-     DOWNLOAD