For common biorthogonal multi-wavelets system, a simple definition of balancing of order is proposed, and the prefilter theory is introduced to biorthogonal multi-filter Banks.
对一般的双正交多小波系统，给出了阶平衡的较为简单的定义，并将预滤波理论引入双正交多小波滤波器组。
Quadrature mirror filter Banks is a project which belongs to multi-sample rate digital signal process.
正交镜像滤波器组是多抽率数字信号处理领域研究的问题。
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