In one example, the filter length can be matched to the level of channel dispersion.
在一个例子中，滤波器长度可被匹配于信道离散的级别。
The construction of biorthonormal MRAs with filter length 4 and 5 is studied respectively.
分别研究了所有滤波长度为4和5的双正交多尺度分析（MRA）的构造。
Additionally, it is more flexible in choosing the filter length and the number of channels.
而且该方法对于滤波器长度和通道数的选取更具灵活性。
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