#### giorgi3092

##### Junior Member level 2

One of the test questions had these problems:

So, I need to tell whether the signal real or complex from its DFT magnitude and phase spectra.

DFT formula is:

How should I even think about this problem? I did some experiments in Matlab and got even more confused. Any hints?

So, I need to tell whether the signal real or complex from its DFT magnitude and phase spectra.

DFT formula is:

How should I even think about this problem? I did some experiments in Matlab and got even more confused. Any hints?