Why are the negative & positive phase shifts introduced for positive & negative frequencies respectively in amplitude and phase spectra?
A. To change the symmetry of the phase spectrum
B. To maintain the symmetry of the phase spectrum
C. Both a & b
D. None of the above
Answer:B
Why are the negative & positive phase shifts introduced for positive & negative frequencies respectively in amplitude and phase spectra?
A. To change the symmetry of the phase spectrum B. To maintain the symmetry of the phase spectrum C. Both a & b D. None of the above