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Question about harmonic?

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jackie1116

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what is different between positive harmonic and negative harmonic ,why we need
to care positive harmonic ,don't care negative harmonic?
 

hr_rezaee

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hi
harmonics with negative frequency are negative harmonic and harmonics with positive frequency are positive harmonic .
it depends application that we must care negative harmonic or not.
 

    jackie1116

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electronics_kumar

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we cannot generate a negative frequency in our lab..anyway we are using it to represent a complex frequency signal
 

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