Question: 21 -
Energy density function is always
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neither even nor odd
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odd
-
even
-
both
Answer:
even
Solution not available.
Question: 22 -
Which one condition is true to check the periodically for discrete time signal (where K is any integer, N is period, f0 is frequency of signal)
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f0 = K + N
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f0 = KN
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f0 = K/N
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f0 = N/K
Answer:
f0 = K/N
Solution not available.
Question: 23 -
The term 'energy spectral density' is associated with
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both perodic and non -perodic waveform
-
none of the above
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non-periodic waveform
-
periodic waveform
Answer:
non-periodic waveform
Solution not available.
Question: 24 -
Fourier series is applicable for
-
periodic
-
finite duration
-
non periodic
-
periodic and finite duration
Answer:
periodic and finite duration
Solution not available.
Question: 25 -
Highest value of Autocorrelation of a function 100 cos 50 pt is
-
100/π
-
100
-
50
-
0
Answer:
100