EC3354  SIGNALS AND SYSTEMS   Anna University Syllabus 

EC3354                   SIGNALS AND SYSTEMS                  L T P C3 1 0 4

 COURSE OBJECTIVES :
● To understand the basic properties of signal & systems
● To know the methods of characterization of LTI systems in time domain
● To analyze continuous time signals and system in the Fourier and Laplace domain
● To analyze discrete time signals and system in the Fourier and Z transform domain

UNIT I          CLASSIFICATION OF SIGNALS AND SYSTEMS       6+6

Standard signals- Step, Ramp, Pulse, Impulse, Real and complex exponentials and Sinusoids_Classification of signals – Continuous time (CT) and Discrete Time (DT) signals, Periodic & Aperiodic signals, Deterministic & Random signals, Energy & Power signals -Classification of systems- CT systems and DT systems- – Linear & Nonlinear, Time-variant& Time-invariant,Causal & Non-causal, Stable & Unstable.

UNIT II      ANALYSIS OF CONTINUOUS TIME SIGNALS     6+6

Fourier series for periodic signals - Fourier Transform – properties- Laplace Transforms and Properties.

UNIT III LINEAR TIME INVARIANT CONTINUOUS TIME SYSTEMS 6+6

Impulse response - convolution integrals- Differential Equation- Fourier and Laplace transforms in Analysis of CT systems - Systems connected in series / parallel.

 
UNIT IV              ANALYSIS OF DISCRETE TIME SIGNALS           6+6

Baseband signal Sampling–Fourier Transform of discrete time signals (DTFT)– Properties of DTFT - Z Transform & Properties

UNIT V    LINEAR TIME INVARIANT-DISCRETE TIME SYSTEMS    6+6

Impulse response–Difference equations-Convolution sum- Discrete Fourier Transform and Z Transform Analysis of Recursive & Non-Recursive systems-DT systems connected in series and parallel.

COURSE OUTCOMES:
At the end of the course, the student will be able to:
CO1:determine if a given system is linear/causal/stable
CO2: determine the frequency components present in a deterministic signal
CO3:characterize continuous LTI systems in the time domain and frequency domain
CO4:characterize continuous LTI systems in the time domain and frequency domain
CO5:compute the output of an LTI system in the time and frequency domains

TEXT BOOKS:

1. Oppenheim, Willsky and Hamid, “Signals and Systems”, 2nd Edition, Pearson Education,
New Delhi, 2015.(Units I - V)
2. Simon Haykin, Barry Van Veen, “Signals and Systems”, 2nd Edition, Wiley, 2002

REFERENCES :

1. B. P. Lathi, “Principles of Linear Systems and Signals”, 2nd Edition, Oxford, 2009.
2. M. J. Roberts, “Signals and Systems Analysis using Transform methods and MATLAB”,
McGraw- Hill Education, 2018.
3. John Alan Stuller, “An Introduction to Signals and Systems”, Thomson, 2007

 EC3354  SIGNALS AND SYSTEMS   Anna University Syllabus