Question: Example Consider the signal x ( t ) = 6 c o s 1 0 t sampled at 7 Hz and 1 4 Hz .

Example
Consider the signal x(t)=6cos10t sampled at 7 Hz and 14 Hz . Can the signal be reconstructed
x(t)=6cos(25t)
The frequency of the cosine wave is 5 Hz , the Nyquist Rate is 10 Hz .
The spectrum of the signal x(t) is:
Example Consider the signal x ( t ) = 6 c o s 1 0

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