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The sampling of a function f(t) = sin(2πf0t) starts from zero-crossing. The signal can be detected, if sampling time T is:

  • a)

  • b)

  • c)
     

  • d)

Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
The sampling of a function f(t) = sin(2πf0t) starts from zero-cross...
Because fs ≤ 2f0,
Ts ≤ .
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The sampling of a function f(t) = sin(2πf0t) starts from zero-cross...
Time period=(1÷fo)
from above formula ,
T=(1÷2fo),we can write
T=(1÷2)Time period,
so ,
sampling time must be ,
T< />
otherwise, signal can't be detected
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The sampling of a function f(t) = sin(2πf0t) starts from zero-crossing. The signal can be detected, if sampling time T is:a)b)c)d)Correct answer is option 'C'. Can you explain this answer?
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