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余弦调制滤波器组的原型滤波器设计

张子敬 焦李成

张子敬, 焦李成. 余弦调制滤波器组的原型滤波器设计[J]. 电子与信息学报, 2002, 24(3): 308-313.
引用本文: 张子敬, 焦李成. 余弦调制滤波器组的原型滤波器设计[J]. 电子与信息学报, 2002, 24(3): 308-313.
Zhang Zijing, Jiao Licheng . Design of prototype filter for cosing-modulated filter banks[J]. Journal of Electronics & Information Technology, 2002, 24(3): 308-313.
Citation: Zhang Zijing, Jiao Licheng . Design of prototype filter for cosing-modulated filter banks[J]. Journal of Electronics & Information Technology, 2002, 24(3): 308-313.

余弦调制滤波器组的原型滤波器设计

Design of prototype filter for cosing-modulated filter banks

  • 摘要: 该文提出了一种近似重构的余弦调制滤波器组的原型滤波器设计方法。该方法将原型滤波器表示成A(z2)B(z)的形式(其中B(z)是最平坦FIR滤波器),通过优化低阶FIR滤波器A(z)的通带边缘频率,间接设计原型滤波器。文中给出的设计例子表明,该方法可获得很高阻带衰减的滤波器组。
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出版历程
  • 收稿日期:  2000-01-28
  • 修回日期:  2000-08-17
  • 刊出日期:  2002-03-19

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