Continuous time signals (CT signals), discrete time signals (DT signals) - Step, Ramp, Impulse, Exponential, Classification of CT and DT signals - periodic and aperiodic, energy and power signals, symmetric and anti symmetric signals, classification of CT systems and DT systems.

Fourier Transform and Laplace Transform in Signal Analysis-. Region of convergence (ROC) of Laplace transform.

Differential equation, Block diagram representation, Impulse response, Output of a LTI CT system as convolution integral, frequency response, LTI system analysis using Fourier and Laplace transforms.

Z-transform and Region of Convergence (ROC), Properties of Z transform. Inverse Z transforms using power series expansion and Partial fraction expansion.

Difference equations, Block diagram representation, Impulse response, output of a LTI DT system as convolution sum, LTI system analysis using Z-transforms