A key problem of permutation filters is its too many parameters.
制约置换滤波器实用的关键是其参数数量过于庞大。
Moreover, permutation and combination are the basis of probability.
同时，它也是概率的基础。
The permutation is even if the number of inversions it contains is even.
如果一个排列中含有的反序的个数是偶数，则称它为偶排列。
This paper presents a video encryption approach by MacroBlock permutation.
研究了基于宏块置乱的视频数据加密技术。
Furthermore, in this thesis, we study a problem on the bit permutation network.
此外，在这篇论文里，我们还探讨了一个关于位元排列网路的问题。
The data compressing method based on constant grade makes use of permutation and combination theory.
常数级压缩方法利用排列组合原理，适于压缩字节内容无规律的文件。
To present a new application of permutation entropy method for automatic brain consciousness task classification.
研究基于脑电信号排列组合熵的运动意识任务自动分类方法。
To present a new application of permutation entropy method for automatic brain consciousness task classification.
研究基于脑电信号排列组合熵的运动意识任务自动分类方法。
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