EC6303 SIGNALS AND SYSTEMS L T P C 3 1 0 4
OBJECTIVES:
· To understand the basic properties of signal & systems and the various methods of classification
· To learn Laplace Transform &Fourier transform and their properties
· To know Z transform & DTFT and their properties
· To characterize LTI systems in the Time domain and various Transform domains
UNIT I CLASSIFICATION OF SIGNALS AND SYSTEMS 9
Continuoustime signals (CT signals) - Discrete time signals (DT signals) - Step, Ramp,Pulse, Impulse, Sinusoidal, Exponential, Classification of CT and DT signals -Periodic & Aperiodic signals, Deterministic & Random signals, Energy& Power signals -Basic operation of signals, CT systems and DT systemsClassification of systems –Static & Dynamic, Linear & Nonlinear, Time-variant &Time-invariant, Causal & Noncausal, Stable & Unstable.
UNIT II ANALYSIS OF CONTINUOUS TIME SIGNALS 9
UNIT III LINEAR TIME INVARIANT- CONTINUOUS TIME SYSTEMS 9
Differential Equation-Block diagram representation-impulse response, convolution integrals-Fourier and Laplace transforms in Analysis of CT systems
UNIT IV ANALYSIS OF DISCRETE TIME SIGNALS 9
Baseband Sampling - DTFT – Properties of DTFT - Z Transform – Properties of Z Transform
UNIT V LINEAR TIME INVARIANT-DISCRETE TIME SYSTEMS 9
Difference Equations-Block diagram representation-Impulse response - Convolution sum- Discrete Fourier and Z Transform Analysis of Recursive & Non-Recursive systems
TOTAL (L:45+T:15): 60 PERIODS
OUTCOMES: Upon the completion of the course, students will be able to:
·Analyze the properties of signals & systems
· Apply Laplace transform, Fourier transform, Z transform and DTFT in signal analysis
·Analyze continuous time LTI systems using Fourier and Laplace Transforms
·Analyze discrete time LTI systems using Z transform and DTFT 38
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