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Signals & Systems
10EC44
SUBJECT: SIGNALS & SYSTEMS
IA MARKS: 25
EXAM HOURS: 3
HOURS / WEEK: 4
SUBJECT CODE: 10EC44
EXAM MARKS: 100
TOTAL HOURS: 52
PART – A
UNIT 1:
Introduction: Definitions of a signal and a system, classification of signals, basic Operations on
signals, elementary signals, Systems viewed as Interconnections of operations, properties of systems.
07 Hours
UNIT 2:
Time-domain representations for LTI systems – 1: Convolution, impulse response representation,
Convolution Sum and Convolution Integral.
06 Hours
UNIT 3:
Time-domain representations for LTI systems – 2: properties of impulse response representation,
Differential and difference equation Representations, Block diagram representations.
07 Hours
UNIT 4:
Fourier representation for signals – 1: Introduction, Discrete time and continuous time Fourier series
(derivation of series excluded) and their properties .
06 Hours
PART – B
UNIT 5:
Fourier representation for signals – 2: Discrete and continuous Fourier transforms(derivations of
transforms are excluded) and their properties.
06 Hours
UNIT 6:
Applications of Fourier representations: Introduction, Frequency response of LTI systems, Fourier
transform representation of periodic signals, Fourier transform representation of discrete time
signals.
07 Hours
Dept of ECE, SJBIT
Page 1

Signals & Systems
10EC44
UNIT 7:
Z-Transforms – 1: Introduction, Z – transform, properties of ROC, properties of Z – transforms,
inversion of Z – transforms.
07 Hours
UNIT 8:
Z-transforms – 2: Transform analysis of LTI Systems, unilateral Z Transform and its application to
solve difference equations.
06
Hours
TEXT BOOK
Simon Haykin and Barry Van Veen “Signals and Systems”, John Wiley & Sons, 2001.Reprint
2002
REFERENCE BOOKS :
1. Alan V Oppenheim, Alan S, Willsky and A Hamid Nawab, “Signals and Systems” Pearson
Education Asia / PHI, 2nd edition, 1997. Indian Reprint 2002
2. H. P Hsu, R. Ranjan, “Signals and Systems”, Scham‟s outlines, TMH, 2006
3. B. P. Lathi, “Linear Systems and Signals”, Oxford University Press, 2005
4. Ganesh Rao and Satish Tunga, “Signals and Systems”, Sanguine Technical Publishers, 2004
Question Paper Pattern: Student should answer FIVE full questions out of 8 questions to be set
each carrying 20 marks, selecting at least TWO questions from each part
Coverage in the Text:
UNIT 1: 1.1, 1.2, 1.4 to 1.8
UNIT 2: 2.1, 2.2
UNIT 3: 2.3, 2.4, 2.5
UNIT 4: 3.1, 3.2, 3.3, 3.6
UNIT 5: 3.4, 3.5, 3.6
UNIT 6: 4.1, 4.2, 4.3, 4.5, 4.6.
UNIT 7: 7.1, 7.2, 7.3, 7.4, 7.5
UNIT 8: 7.6 (Excluding „relating the transfer function and the State-Variable description,
determining the frequency response from poles and zeros) and 7.8
Dept of ECE, SJBIT
Page 2

Signals & Systems
10EC44
INDEX
SL.NO
UNIT – 1
1.1
1.4
1.5
1.6
UNIT – 2
2.1
2.2
2.3
2.5
UNIT – 3
3.1
3.3
3.5
UNIT –4
4.1
4.2
4.4
4.5
TOPIC
PART A
INTRODUCTION
PAGE NO.
Definitions of Signal and system, classification of signals
Operation on signals:
Systems viewed as interconnections of operations
Properties of systems
4-25
TIME-DOMAIN REPRESENTATIONS FOR LTI SYSTEMS – 1
Convolution: concept and derivation
Impulse response representation
Convolution sum
Convolution Integral
26-40
TIME-DOMAIN REPRESENTATIONS FOR LTI SYSTEMS – 2
Properties of impulse response representation
Differential equation representation
Difference Equation representation
41-59
FOURIER REPRESENTATION FOR SIGNALS – 1
Introduction
Discrete time fourier series
Properties of Fourier series
Properties of Fourier series
PART B
UNIT –5 FOURIER REPRESENTATION FOR SIGNALS – 2:
Introduction
5.1
Discrete and continuous fourier transforms
5.1
Properties of FT
5.4
Properties of FT
5.5
UNIT – 6 APPLICATIONS OF FOURIER REPRESENTATIONS
Introduction
6.1
Frequency response of LTI systems
6.2
FT representation of periodic signals
6.4
FT representation of DT signals
6.6
UNIT – 7
Z-TRANSFORMS – 1
Introduction
7.1
Z-Transform, Problems
7.2
Properties of ROC
7.3
Properties of Z-Transform
7.5
Inversion of Z-Transforms,Problems
7.7
UNIT – 8
Z-TRANSFORMS – 2
Transform
analysis
of
LTI
Systems
8.1
Unilateral Z- transforms
8.3
Application to solve Difference equations
8.5
Dept of ECE, SJBIT
60-66
67-72
73-88
89-110
111-122
Page 3

Signals & Systems
UNIT 1: Introduction
10EC44
Teaching hours: 7
Introduction: Definitions of a signal and a system, classification of signals, basic Operations on
signals, elementary signals, Systems viewed as Interconnections of operations, properties of systems.
TEXT BOOK
Simon Haykin and Barry Van Veen “Signals and Systems”, John Wiley & Sons, 2001.Reprint
2002
REFERENCE BOOKS :
1. Alan V Oppenheim, Alan S, Willsky and A Hamid Nawab, “Signals and Systems” Pearson
Education Asia / PHI, 2nd edition, 1997. Indian Reprint 2002
2. H. P Hsu, R. Ranjan, “Signals and Systems”, Scham‟s outlines, TMH, 2006
3. B. P. Lathi, “Linear Systems and Signals”, Oxford University Press, 2005
4. Ganesh Rao and Satish Tunga, “Signals and Systems”, Sanguine Technical Publishers, 2004
Dept of ECE, SJBIT
Page 4

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