- #1
Ana09
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Homework Statement
Hi, I am trying to draw a sound spectrum using the discrete Fourier transform, but there are still a few things I do not understand:
- what does the "imaginary part" really represent? Does it exist physically in the sound? Is it a part of the sound signal that we don't hear or something? Or is it just part of the math?
- How do I graph the imaginary part?
Homework Equations
The DFT's equation.
The Attempt at a Solution
Maybe using argan's diagram? But all the spectra I have seen are plotted in regular cartesian axes...and I have also read that the imaginary part is not represented, as it is just the same as the real part..