- #1
Tosh5457
- 134
- 28
I don't understand what electrical engineers mean by the frequency of a signal... Frequency is the inverse of the period, but they speak of the frequency of non-periodic signals.
I know that I can derive the function using the Fourier transform, I just don't understand what frequency means in this context... For example, why is the Fourier transform of f(x) = 1 is [tex]\hat{f}(\xi )=\delta (\xi)[/tex] (dirac delta)? The only frequency that gives a non-zero value for f is 0, why is that?
I know that I can derive the function using the Fourier transform, I just don't understand what frequency means in this context... For example, why is the Fourier transform of f(x) = 1 is [tex]\hat{f}(\xi )=\delta (\xi)[/tex] (dirac delta)? The only frequency that gives a non-zero value for f is 0, why is that?