Chinson's Wiki

DSP

Page history last edited by chinson 3 yrs ago

好用的fft函式庫(C code)
- fftw
- 使用方法簡介

Sinc function
- 定義︰sinc(x) = sin(x) / x
- c code

Sinc interpolation
- 定義︰
  - f(k1T1)︰原取樣訊號
  - f(k2T2)︰新取樣訊號
  - T1︰原訊號取樣間隔
  - T2︰新取樣間隔
  - B︰sinc的頻寬，T1 = 1/2B

c code

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