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how to extract energy feature in frequency domain?
It is a triaxial signal.
i found one syntax related to this "fft()" for energy extraction but i can not able to use it.I have my dataset on that i have to apply this frequency domain feature extraction.Can anyone help me please?

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KALYAN ACHARJYA
KALYAN ACHARJYA 2020 年 3 月 4 日

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TO calculate the energy, here is the best Matlab documentation.
Steps:
  • FFT
  • Calculate the Average Power
  • Sum up for particular frequency
Also there are numerous related question, please look here or here

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