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無(wú)完全重構(gòu)約束的兩通道自適應(yīng)FIR濾波器組設(shè)計(jì)

王蘭美 水鵬朗 廖桂生 王桂寶

王蘭美, 水鵬朗, 廖桂生, 王桂寶. 無(wú)完全重構(gòu)約束的兩通道自適應(yīng)FIR濾波器組設(shè)計(jì)[J]. 電子與信息學(xué)報(bào), 2005, 27(4): 570-573.
引用本文: 王蘭美, 水鵬朗, 廖桂生, 王桂寶. 無(wú)完全重構(gòu)約束的兩通道自適應(yīng)FIR濾波器組設(shè)計(jì)[J]. 電子與信息學(xué)報(bào), 2005, 27(4): 570-573.
Wang Lan-mei, Shui Peng-lang, Liao Gui-sheng, Wang Gui-bao. Design of Two-Channel Signal-Adapted FIR Filterbanks without Perfect Reconstruction Constraints[J]. Journal of Electronics & Information Technology, 2005, 27(4): 570-573.
Citation: Wang Lan-mei, Shui Peng-lang, Liao Gui-sheng, Wang Gui-bao. Design of Two-Channel Signal-Adapted FIR Filterbanks without Perfect Reconstruction Constraints[J]. Journal of Electronics & Information Technology, 2005, 27(4): 570-573.

無(wú)完全重構(gòu)約束的兩通道自適應(yīng)FIR濾波器組設(shè)計(jì)

Design of Two-Channel Signal-Adapted FIR Filterbanks without Perfect Reconstruction Constraints

  • 摘要: 該文研究了在無(wú)完全重構(gòu)約束情況下兩通道自適應(yīng)FIR無(wú)混疊濾波器組的時(shí)域設(shè)計(jì)方法。由于放松了對(duì)完全重構(gòu)的約束,子帶編碼器的失真由系統(tǒng)失真和量化失真兩部分構(gòu)成。在整體比特?cái)?shù)和輸入過(guò)程給定的情況下,本文通過(guò)優(yōu)化濾波器系數(shù),使得子帶編碼器的整體失真達(dá)到最小,實(shí)現(xiàn)提高其編碼增益的目的。后面的設(shè)計(jì)實(shí)例驗(yàn)證了該方法的有效性。
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  • 收稿日期:  2003-11-14
  • 修回日期:  2004-06-22
  • 刊出日期:  2005-04-19

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