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A signal was acquired at 200 hz and the spectrum showed a peak at 70 hz. no anti-aliasing filter was used. find the 5 lowest possible frequencies that the original signal may have.
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A signal was acquired at 200 hz and the spectrum showed a peak at 70 hz. no anti-aliasing filter was used. find the 5 lowest possible frequencies that the original signal may have.

User Suzana
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1 Answer

6 votes

f1 = 70 Hz

f2 = 130 Hz

f3 = 270 Hz

f4 = 330 Hz

f5 = 470 Hz

User Toprak
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