Electronics and Telecommunication Engineering - Vishwakarma ...

Bansilal Ramnath Agarwal Charitable Trust’s
Vishwakarma Institute of Technology, Pune – 411 037
Department of Electronics and Telecommunication Engineering
FF No.: 654
EC 30103 :: DIGITAL SIGNAL PROCESSING
Credits: 03
Teaching Scheme: - Theory 3 Hrs/Week
Prerequisites: Knowledge of signals and systems, Fourier Theory
Objectives:
• To learn properties of discrete time signals and systems
• To learn processing of signals in frequency domain using mathematical
transforms
• To learn filter design based on approximations
• To learn filter design based on truncation of impulse response
• Mapping with PEOs:1,2,6,7,8,9
Unit I: Z Transform
(10 Hrs.)
A. Discrete time signals & Systems, Z- transform and its properties, Inverse Z-transform,
analysis of LTI systems in Z domain, Unilateral Z-transform.
B. Sampling process, Convolution and Correlation
Unit II: Discrete Fourier Transform
(12 Hrs.)
A. Discrete time Fourier transform(DTFT), Discrete Fourier transform(DFT), Relation of
DFT to other transforms, Properties of DFT, Overlap_add and overlap_save methods,
FFT algorithms- Decimation in Time and Decimation in frequency
B. Goertzel algorithm, applications of DFT and FFT
Unit III: FIR Filters
(6 Hrs.)
A. FIR filter structures - Direct form structure, cascade form structure, Design of linear
phase FIR filters using windows , Design of linear phase FIR filters using frequency
sampling method.
B. Lattice Structure, Design of FIR filters using Fourier series method, applications of
FIR filters
Structure & Syllabus of B.E (E&TC) Program – Pattern ‘C11’, Rev01, dt. 2/4/2011
11