Discrete-Time Signals

1. Functional representation

   • Unit step function etc

   

2. Tabular representation

1. Sequence Representation

Some Elementary Discrete Time Signals

1. Unit Sample Sequence
2. Unit Step Signal
3. Unit ramp signal
4. Exponential signal

5. Complex Valued Signal

Classification of Discrete TIme Signals

$$ \int^{\in $$

$$ x_e[n] = \frac{1}{2}(x[n] + x[-n]) \\ x_o[n] = \frac{1}{2}(x[n] - x[-n]) $$