Continuous-time (CT) signals are defined for all values of time, while discrete-time (DT) signals are defined only at specific time instances. CT signals are represented by smooth curves, whereas DT signals are represented by sequences of discrete values.
Which of the following is a characteristic of a linear system?
What is the main difference between continuous-time and discrete-time signals?
What is the principle of superposition in linear systems?
Which of the following is an example of a non-linear system?
What is the Nyquist sampling theorem?
What is the effect of increasing the amplitude of a signal?
In a low-pass filter, what happens to high-frequency components of the input signal?
What is the main characteristic of a sawtooth wave?