Based on the Nyquist-Shannon sampling theorem, which of the following statements are correct?

Question

Answer

To completely reconstruct a signal with highest frequency H, it is necessary to sample the signal using 2H as the sampling rate.

Answer

To completely reconstruct a signal with highest frequency H, it is sufficient to sample the signal using H as the sampling rate.

Answer

To completely reconstruct a signal with highest frequency H, it is sufficient to sample the signal using 2H as the sampling rate.

Answer

To completely reconstruct a signal with highest frequency H, it is sufficient to sample the signal using 3H as the sampling rate.

Answer

To completely reconstruct a signal with highest frequency H, it is necessary to sample the signal using H as the sampling rate.

Answer

To completely reconstruct a signal with highest frequency H, it is necessary to sample the signal using 3H as the sampling rate.

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