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一种设计近似完全重构非均匀余弦调制滤波器组的新算法

蒋俊正 江庆 欧阳缮

蒋俊正, 江庆, 欧阳缮. 一种设计近似完全重构非均匀余弦调制滤波器组的新算法[J]. 电子与信息学报, 2016, 38(9): 2385-2390. doi: 10.11999/JEIT151260
引用本文: 蒋俊正, 江庆, 欧阳缮. 一种设计近似完全重构非均匀余弦调制滤波器组的新算法[J]. 电子与信息学报, 2016, 38(9): 2385-2390. doi: 10.11999/JEIT151260
JIANG Junzheng, JIANG Qing, OUYANG Shan. Novel Method for Designing Near-perfect-reconstruction Nonuniform Cosine Modulated Filter Banks[J]. Journal of Electronics & Information Technology, 2016, 38(9): 2385-2390. doi: 10.11999/JEIT151260
Citation: JIANG Junzheng, JIANG Qing, OUYANG Shan. Novel Method for Designing Near-perfect-reconstruction Nonuniform Cosine Modulated Filter Banks[J]. Journal of Electronics & Information Technology, 2016, 38(9): 2385-2390. doi: 10.11999/JEIT151260

一种设计近似完全重构非均匀余弦调制滤波器组的新算法

doi: 10.11999/JEIT151260
基金项目: 

国家自然科学基金(61261032, 61371186),广西自然科学基金(2013GXNSFBA019264)

Novel Method for Designing Near-perfect-reconstruction Nonuniform Cosine Modulated Filter Banks

Funds: 

The National Natural Science Foundation of China (61261032, 61371186), Guangxi Natural Science Foundation (2013GXNSFBA019264)

  • 摘要: 该文提出了一种设计近似完全重构非均匀余弦调制滤波器组的新算法。针对现有合并算法中非均匀滤波器组性能无法直接控制优化的缺点,新算法把非均匀滤波器组的设计问题归纳为一个关于原型滤波器的无约束优化问题,其中目标函数是非均匀滤波器组传递失真与原型滤波器阻带能量的加权和,最后利用线性迭代算法求解该优化问题。理论分析和数值实验表明,新算法获得的非均匀余弦调制滤波器组比现有算法设计的滤波器组整体性能更佳。
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出版历程
  • 收稿日期:  2015-11-09
  • 修回日期:  2016-06-15
  • 刊出日期:  2016-09-19

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