CHHATTISGARH SWAMI VIVEKANAND TECHNICAL UNIVERSITY, BHILAI (C.G.)
Semester:VI Branch: Computer Sc. & Engg.
Subject: Digital Signal Processing
UNIT-I DISCRETE-TIME SIGNALS
Signal classifications, frequency domain representation, time domain representation,
representation of sequences by Fourier transform, properties of Fourier transform, discrete
time random signals, energy and power theorems.
UNIT-II SAMPLING OF TIME SIGNALS
Sampling theorem, application, frequency domain representation of sampling, and
reconstruction of band limited signal from its samples. Discrete time processing of continuous
time signals, changing the sampling rate using discrete time processing.
Introduction, properties of the region of convergence, properties of the Z-transform, inversion
of the Z-transform, applications of Z-transform.
UNIT-IV BASICS OF DIGITAL FILTERS
Classification, properties, time invariant system, finite impulse Response (FIR) system, infinite
Impulse response (IIR) system.
Fundamentals of digital filtering, various types of digital filters, design techniques of digital
filters: window technique for FIR, bi-linear transformation and backward difference methods
for IIR filter design, analysis of finite word length effects in DSP, DSP algorithm
implementation consideration. Applications of DSP.
UNIT-V DISCRETE AND FAST FOURIER TRANSFORM
DFT and FFT: Discrete Fourier transforms properties of DFT, circular convolution, linear
convolution using DFT, fast Fourier transform: Radix 2 FFT algorithm, decimation in time,
decimation in frequency, bit reversal.
1. Digital Signal Processing: Proakis and Manolakis; PHI
2. Digital Signal Processing: Salivahanan, Vallavaraj and Gnanapriya; TMH
1. Digital Signal Processing: Alon V. Oppenhelm; PHI