EC8352 SIGNALS AND SYSTEMS L T P C 4 0 0 4
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 12 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 12 Fourier series for periodic signals - Fourier Transform – properties- Laplace Transforms and properties
UNIT III LINEAR TIME INVARIANT CONTINUOUS TIME SYSTEMS 12 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 12 Baseband signal Sampling – Fourier Transform of discrete time signals (DTFT) – Properties of DTFT - Z Transform & Properties
UNIT V LINEAR TIME INVARIANT-DISCRETE TIME SYSTEMS 12 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.
TOTAL: 60 PERIODS
OUTCOMES: At the end of the course, the student should be able to: To be able to determine if a given system is linear/causal/stable Capable of determining the frequency components present in a deterministic signal Capable of characterizing LTI systems in the time domain and frequency domain To be able to compute the output of an LTI system in the time and frequency domains
TEXT BOOK:
1. Allan V.Oppenheim, S.Wilsky and S.H.Nawab, ―Signals and Systems‖, Pearson, 2015.(Unit 1-V)
REFERENCES
1. B. P. Lathi, ―Principles of Linear Systems and Signals‖, Second Edition, Oxford, 2009.
2. R.E.Zeimer, W.H.Tranter and R.D.Fannin, ―Signals & Systems - Continuous and Discrete‖, Pearson, 2007.
3. John Alan Stuller, ―An Introduction to Signals and Systems‖, Thomson, 2007.
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