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单项选择题
For a length-M sequence, N-point sampling within one cycle of the spectrum causes the time-domain sequence to extend with N as the cycle. The condition for undistorted sampling in the frequency domain is that M is greater than or equal to N.
For a length-M sequence, N-point sampling within one cycle of the spectrum causes the time-domain sequence to extend with N as the cycle. The condition for undistorted sampling in the frequency domain is that M is greater than or equal to N.
A、正确
B、错误
