The spectrum of a signal is
A)the lowest frequency value subtracted from the highest .
B)the range of frequencies in the signal.
C)all of the frequencies from 0 to the highest frequency used.
D)the average of the highest frequency and the lowest.
E)the average of the lowest frequency used.

Question

Quizplus · Accepted Answer

The spectrum of a signal is the range of frequencies present in that signal. It includes all the frequencies that contribute to the signal, from the lowest to the highest, and is typically represented as a plot of amplitude versus frequency. Therefore, option B is the correct choice.

The Spectrum of a Signal Is