The ESD of a real valued energy signal is always _________
A. An even (symmetric) function of frequency
B. An odd (non-symmetric) function of frequency
C. A function that is odd and half-wave symmetric
D. None of the above
Answer:A
The ESD of a real valued energy signal is always _________
A. An even (symmetric) function of frequency B. An odd (non-symmetric) function of frequency C. A function that is odd and half-wave symmetric D. None of the above