PRINCIPLES OF DIGITAL SIGNAL PROCESSING

LESSON PLAN

Subject Code: 10TE303 Faculty: DR. BNK No. of Hours: 52

Class Chapter Title/

Reference Literature Portions to be Covered

% Portions Covered

Reference Chapter

Cumulative

1-10 (10 hrs)

UNIT 1 Chapter1- Discrete Fourier Transform (Properties and Applications)

Text 1: chapter 7

The DFT – Frequency domain sampling and reconstruction of discrete time signals DFT as a linear transformation, relationship with other transforms Properties of DFT

20 20

11-20 (10 hrs)

UNIT 2 Chapter 2- Efficient Computation of DFT: Fast Fourier Transform Algorithms

Text 1: chapter 8

Direct computation of DFT need for FFT, Radix-2 FFT Algorithms, Decimation in Time and Decimation in Frequency FFT Algorithms Overlap –save and overlap-add methods.

20

40

21-30 (10 hrs)

UNIT 3 Chapter 3 – Analog filters

Text 1: Chapter 10 Text 2: 3.0, 3.1, 3.2

Design of Butterworth and Chebyshev filters, analog to analog frequency transformations. Time and frequency domain aspects of ideal and non-ideal filters, linear phase, group delay.

20

60

31-42 (12 hrs)

UNIT 4 Chapter 4- Design of IIR filters from analog filters

Text 1 Chapters 9 and 10 Text 2: 5.1, 5.2, 5.3

Mapping of transfer function: Approximation of derivative: backward difference and bilinear transformation, impulse invariance, matched z-transform, verification for stability and linearity during mapping. Realization of IIR filters: direct form I and form II, cascade and parallel realizations.

20 80

43-52 (10 hrs)

UNIT 5 CHAPTER 5- FIR filter design

Text 1 Chapters 9 and 10 Text 2: 4.6

Introduction to FIR filters, design of FIR filters using window functions: rectangular, Hamming, Bartlett and Kaiser windows, Hilbert transformer and differentiator, FIR design using frequency sampling technique. Realization of FIR filters: direct form I and form II, cascade, parallel and lattice realizations.

20 100

Literature: Text Books:

1. “Digital Signal Processing: Principles, Algorithms and Applications,” Proakis and Manolakis, Pearson

education, 4th

edition, New Delhi 2007.

2. “Fundamentals of Digital Signal Processing,” L. C. Ludeman, John Wiley and Sons, New York, 1986.

Reference Books:

1. “Digital Signal Processing” S. K. Mitra, TMH, 2nd

edition, 2004.

2. “Digital Signal Processing,” Oppenheim and Schaffer, PHI, 2003.

3. “Analog and Digital Signal Processing,” Ashok Ambardar, Thomas Learning, 1999.

10TE306 : DIGITAL SIGNAL PROCESSING LABORATORY

CYCLE I

LIST OF EXPERIMENTS USING MATLAB

1. Verification of Sampling theorem.

2. To find impulse response of a given system

3. To find Linear convolution and Circular convolution of two given sequences.

4. To find Autocorrelation and Cross correlation of two given sequence / sequences.

5. To Solve a given difference equation.

6. Computation of N point DFT and IDFT of a given sequence.

7. To find Linear and circular convolution of two sequences using DFT and IDFT.

8. Design and implementation of FIR / IIR filter to meet given specifications.

CYCLE II

LIST OF EXPERIMENTS USING DSP PROCESSOR

1. Linear convolution and Circular convolution of two given sequences.

2. Computation of N- Point DFT and IDFT of a given sequence

3. To find Impulse response of first order and second order system

4. Realization of an FIR filter (any type) to meet given specifications .The input can be a signal

from function generator / speech signal.

Reference Books:

1. “Digital signal processing using MATLAB”, Sanjeet Mitra, TMH, 2001

2. “Digital signal processing using MATLAB”, J.G.Proakis & Ingle, MGH, 2000

3. “Digital signal processors”, B.Venkataramani and Bhaskar, TMH, 2002