Which of the following statement is not true
A. Autocorrelation function and energy spectral density form a Fourier transform pair
B. Autocorrelation function of a real valued energy signal is a real valued odd function
C. The value of autocorrelation function of a power signal at the origin is equal to the average power of the signal
D. Autocorrelation function is the inverse Fourier transform of power spectral density
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Signal Processing
The Fourier transform of a real valued time signal has
A. Odd symmetry
B. Even symmetry
C. Conjugate symmetry
D. No symmetry
A. $$V$$
B. $${{{T_1} - {T_2}} \over T}V$$
C. $${V \over {\sqrt 2 }}$$
D. $${{{T_1}} \over {{T_2}}}V$$
A. $$T = \sqrt 2 {T_s}$$
B. T = 1.2Ts
C. Always
D. Never
A. $${{\alpha - \beta } \over {\alpha + \beta }}$$
B. $${{\alpha \beta } \over {\alpha + \beta }}$$
C. α
D. β
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