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  1. JerryLin

    fast fourier transform

    Thank you very much! It works:-)
  2. JerryLin

    fast fourier transform

    Thank you for your advice! I am a little bit confused about your method. First, why it need to be normalized? Second, what do you mean a sine function of the frequency? for example, I want to examine 1Hz, so the function is sin(2*pi*1*t)???? Thanks again!
  3. JerryLin

    fast fourier transform

    I am now doing data processing of the frequency response tests such that a continuous sinusoidal steering wheel input with 0.3 - 2.5 Hz was applied. Then I want to use fft to derive data in frequency domain. For example, I want to know the value of yaw rate at certain phase lag. How to do this...

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