idwt.m
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上传日期:2013-01-09
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- % IDWT 丂丂扨堦儗儀儖偺媡棧嶶1師尦僂僃乕僽儗僢僩曄姺
- % IDWT偼丄('wname',WFILTERS 傪嶲徠)偱巜掕偝傟偨摿掕偺僂僃乕僽儗僢僩傑偨偼巜掕偝
- % 傟偨摿掕偺僂僃乕僽儗僢僩嵞峔惉僼傿儖僞(Lo_R 偲 Hi_R)偺偄偢傟偐偵娭楢偟偨扨堦儗
- % 儀儖偺1師尦僂僃乕僽儗僢僩嵞峔惉傪峴偄傑偡丅
- %
- % X = IDWT(CA,CD,'wname') 偼丄僂僃乕僽儗僢僩 'wname' 傪巊偭偰丄Approximation 學
- % 悢儀僋僩儖 CA 偲 Detail 學悢儀僋僩儖 CD 傪儀乕僗偵丄扨堦儗儀儖偺嵞峔惉 Appro-
- % ximation 學悢儀僋僩儖 X 傪寁嶼偟傑偡丅
- %
- % X = IDWT(CA,CD,Lo_R,Hi_R) 偼丄愝掕偟偨僼傿儖僞傪巊偭偰忋弎偺張棟傪峴偄傑偡丅
- % Lo_R 偼丄嵞峔惉儘乕僷僗僼傿儖僞偱偡丅
- % Hi_R 偼丄嵞峔惉僴僀僷僗僼傿儖僞偱偡丅
- % Lo_R 偲 Hi_R 偼丄摨偠挿偝偱側偗傟偽側傝傑偣傫丅
- %
- % LA = length(CA) = length(CD) 偱丄LF 偑僼傿儖僞挿偺応崌丄length(X) = LX 偲側傝丄
- % DWT 偺奼挘儌乕僪偑廃婜揑側儌乕僪偱偁傞応崌偼 LX = 2*LA 偱偡丅懠偺奼挘儌乕僪偱
- % 偼丄LX = 2*LA-LF+2 偵側傝傑偡丅堎側傞怣崋奼挘儌乕僪偵偮偄偰偼丄DWTMODE 傪嶲徠
- % 偟偰偔偩偝偄丅
- %
- % X = IDWT(CA,CD,'wname',L)丄傑偨偼丄X = IDWT(CA,CD,Lo_R,Hi_R,L) 偼丄IDWT(...
- % CA,CD,'wname') 傪巊偭偰摼傜傟傞寢壥偺拞怱晹暘偺 L 偺挿偝傪弌椡偟傑偡丅L 偼丄LX
- % 傛傝傕彫偝偔側偗傟偽側傝傑偣傫丅
- %
- % X = IDWT(CA,CD,'wname','mode',mode)
- % X = IDWT(CA,CD,Lo_R,Hi_R,'mode',mode)
- % X = IDWT(CA,CD,'wname',L,'mode',mode)
- % X = IDWT(CA,CD,Lo_R,Hi_R,L,'mode',mode)
- % 偺偄偢傟傕丄巜掕壜擻側奼挘儌乕僪偱丄僂僃乕僽儗僢僩嵞峔惉偺學悢傪寁嶼偟傑偡丅
- %
- % X = IDWT(CA,[]丄... ) 偼丄Approximation 學悢儀僋僩儖 CA 傪儀乕僗偵扨堦儗儀儖偺
- % 嵞峔惉偝傟偨 Approximation 學悢儀僋僩儖 X 傪弌椡偟傑偡丅
- %
- % X = IDWT([],CD丄... ) 偼丄Detail 學悢儀僋僩儖 CD 傪儀乕僗偵扨堦儗儀儖偺嵞峔惉
- % 偝傟偨 Detail 學悢儀僋僩儖 X 傪弌椡偟傑偡
- %
- % 嶲峫丗 DWT, DWTMODE, UPWLEV.
- % Copyright 1995-2002 The MathWorks, Inc.