The signal is FFT, the amplitude of frequency change is drawn, and the amplitude of the frequency changes with the frequency before the Nyquist frequency. The spectral analysis is carried out, and the normalized frequency 0~1 is analyzed.

Filename	Size	Update
fourierdianfupintu.m	939	2018-06-27
fftpufenxi.m	1388	2018-06-27
解析.txt	771	2018-06-27

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．