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Your comprehensive resource for Digital Signal Processing - BEC502

Digital Signal Processing

Complete Study Materials & Resources

BEC502
Subject Code
04
Credits
50
CIE Marks
50
SEE Marks
100
Total Marks
03
Exam Hours

Module 1

Introduction & Discrete Time Systems

Introduction: Signals, Systems and Signal Processing, Classification of Signals, The Concept of Frequency in Continuous Time and Discrete Time Sinusoidal Signals. Discrete Time Signals and Systems: Discrete Time Signals, Discrete Time Systems, Analysis of Discrete Time Linear Time Invariant Systems.

Text1: 1.1, 1.2, 1.3, 2.1-2.3

Module 2

Z-Transforms & DFT

Z-Transforms: The z-Transform, Properties of the z-Transform, The System Function of a Linear Time Invariant system. The Discrete Fourier Transform: Frequency Domain sampling and Reconstruction of Discrete Time Signals, The DFT, The DFT as Linear Transformation. Properties of DFT: Periodicity, Linearity and Symmetry.

Text1: 3.1, 3.2, 3.3.3, 7.1, 7.2

Module 3

DFT Properties & FFT Algorithms

DFT Properties: Time reversal of a sequence, Circular Time shift of a sequence, Circular frequency shift, Complex conjugate property, Multiplication of two sequences, Perceval's theorem. Linear Filtering Methods based on the DFT. Efficient Computation of the DFT- FFT Algorithms: Direct Computation of the DFT, Radix-2 FFT Algorithms.

Text1: 7.3, 8.1.1, 8.1.3

Module 4

Design of FIR Filters

Design of FIR Filters: Characteristics of practical frequency-selective filters, Symmetric and Antisymmetric FIR filters, Design of Linear-phase FIR (low pass and High pass) filters using windows - Rectangular, Bartlett, Hanning, Hamming and Blackman windows. Structure for FIR Systems: Direct form and Cascade form.

Text1: 10.1.2, 10.2.1, 10.2.2

Module 5

IIR Filter Design

IIR Filter Design: Infinite Impulse response Filter Format, Bilinear Transformation Design Method, Analog Filters using Low pass prototype transformation, Normalized Butterworth Functions, Bilinear Transformation and Frequency Warping, Bilinear Transformation Design Procedure, Digital Butterworth Filter Design. Realization of IIR Filters.

Text2: 8.1, 8.2, 8.3, 8.8.1

Additional Resources

Extra study materials to boost your exam preparation and understanding

Lab Manual

Complete lab manual with all 12 experiments including discrete signal generation, convolution operations, DFT computations, FFT algorithms, and digital filter design implementations.

Very Important Questions (VIMP)

Key questions that can make a significant difference in academic performance and boost confidence for exams in Digital Signal Processing.

Solved Model Questions

Complete solutions to model question papers that enhance problem-solving abilities and exam confidence in DSP concepts and applications.

Exam Fix Questions

Targeted questions for final exam preparation with comprehensive coverage of all important DSP topics and numerical problems.

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