nstdfft.m
Upload User: haiyisale
Upload Date: 2013-01-09
Package Size: 3246k
Code Size: 1k
Category:

Wavelet

Development Platform:

Matlab

  1. % NSTDFFT 丂旕昗弨1師尦崅懍僼乕儕僄曄姺
  2. % [XHAT,OMEGA] = NSTDFFT(X,LOWB,UPPB) 偼丄嬫娫 [LOWB,UPPB] 偵偍偄偰丄2偺傋偒忔偺
  3. % 摍娫妘僌儕僢僪(惍悢偱偁傞昁梫偼偁傝傑偣傫)忋偱僒儞僾儕儞僌偝傟偨怣崋 X 偺旕昗
  4. % 弨崅懍僼乕儕僄曄姺傪弌椡偟傑偡丅
  5. %
  6. % 弌椡堷悢偼 XHAT 偱丄OMEGA = [-n:2:n-2]/(2*(UPPB-LOWB)) 偵傛偭偰梌偊傜傟偨嬫娫 
  7. % OMEGA 忋偱寁嶼偝傟偨 X 偺僔僼僩偝傟偨 FFT 偱偡丅偙偙偱丄n 偼 X 偺挿偝傪巜偟偰
  8. % 偄傑偡丅弌椡偼丄挿偝 n 偺儀僋僩儖偱偡丅
  9. %
  10. % X 偺挿偝偼丄2偺傋偒忔偱側偗傟偽側傝傑偣傫丅
  11. %
  12. % 嶲峫丗 FFT, FFTSHIFT, INSTDFFT.
  13. %   Copyright 1995-2002 The MathWorks, Inc.