FFT of sine function

조회 수: 1(최근 30일)
Namira 2018년 5월 25일
답변: sloppydisk 2018년 5월 25일
I am trying to plot power of sine function. When I do FFT of sine wave I got two peaks for a single sin function. I don't know understand it. Why do I get two frequency spikes from a simple sin function via FFT? How can I get only one peak for a single sin function?


sloppydisk 2018년 5월 25일
You'll get both positive and negative frequencies, see
doc fft
for an example of a single-sided spectrum, i.e. only positive frequencies.


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