Fourier series Expansion (Example).

Deriving trigonometric coefficients of Fourier Series.

Trigonometric Fourier Series.

Orthogonal Signal Space.

Orthogonal vector space.

Problems on orthogonality functions.

Analogy between vectors and signals.

Signal Multiplication.

Signal Addition and Signal subtraction.

Time Scaling Operation on signals.

Amplitude Scaling.

Time Reversal operation on signals.

Time shifting operation on signals.

Gaussian function,Sum and product of discrete time sequences.

Problems on signals.

Signum function and sinc function.

Rectangular pulse function and Triangular pulse function.

Complex Exponential Signal.

Real Exponential Signal.

Unit impulse function ,Sinusoidal Function.

Elementary Functions(Step,Ramp,Parabolic).

Problems on Periodic and Nonperiodic Signals.

Classification of Continuous and Discrete Signals.

Classification of continuous time signals and discrete time signals.

Classification of signals.

Introduction to Signals and Systems.