EC 2204 SIGNALS AND SYSTEMS Syllabus

EC 2204 SIGNALS AND SYSTEMS

AIM

To study and analyse characteristics of continuous, discrete signals and systems.

OBJECTIVES

 To study the properties and representation of discrete and continuous signals.

 To study the sampling process and analysis of discrete systems using z-transforms.

 To study the analysis and synthesis of discrete time systems.

UNIT I CLASSIFICATION OF SIGNALS AND SYSTEMS

Continuous time signals (CT signals), discrete time signals (DT signals) - Step, Ramp, Pulse, Impulse, Exponential, Classification of CT and DT signals - periodic and periodic, random singals, CT systems and DT systems, Basic properties of systems - Linear Time invariant Systems and properties.

UNIT II ANALYSIS OF CONTINUOUS TIME SIGNALS

Fourier series analysis, Spectrum of C.T. singals, Fourier Transform and Laplace Transform in Signal Analysis.

UNIT III LINEAR TIME INVARIANT –CONTINUOUS TIME SYSTEMS

Differential equation, Block diagram representation, Impulse response, Convolution integral, frequency response , Fourier and Laplace transforms in analysis, State variable equations and matrix representation of systems

UNIT IV ANALYSIS OF DISCRETE TIME SIGNALS

Sampling of CT signals and aliasing, DTFT and properties, Z-transform and properties of Z-transform.

UNIT V LINEAR TIME INVARIANT - DISCRETE TIME SYSTEMS

Difference equations, Block diagram representation, Impulse response, Convolution sum, LTI systems analysis using DTFT and Z-transforms , State variable equations and matrix representation of systems.

TEXT BOOKS:

1. Allan V.Oppenheim, S.Wilsky and S.H.Nawab, Signals and Systems, PearsonEducation, 2007.

2. Edward W Kamen & Bonnie’s Heck, “Fundamentals of Signals and Systems”, Pearson Education, 2007.

REFERENCES:

1. H P Hsu, Rakesh Ranjan“ Signals and Systems”, Schaum’s Outlines, Tata McGrawHill, Indian Reprint, 2007

2. S.Salivahanan, A. Vallavaraj, C. Gnanapriya, Digital Signal Processing, McGraw Hill International/TMH, 2007.

3. Simon Haykins and Barry Van Veen, Signals and Systems John Wiley & sons , Inc, 2004.

4. Robert A. Gabel and Richard A.Roberts, Signals & Linear Systems, John Wiley, III edition, 1987.

5. Rodger E. Ziemer, William H. Tranter, D. Ronald Fannin. Signals & systems, Fourth Edition, Pearson Education, 2002.