Also, the shift-invariant wavelet packets algorithm is applied to coherent bases extracting method to remove some non-gaussian noise which is hard for traditional thresholding method.
传统的门限去噪方法对于非高斯噪声效果不是很理想。 通过将平移不变的小波包变换算法与相关基提取算法相结合,可以较好地用于某些非高斯噪声的消除。
参考来源 - 小波去噪算法及小波分解用于KL变换的研究The signal is wavelet packets decomposed in this method. By analyzing the new sequences reconstructed on every decomposition note, the fault then can be recognized according to the eigenvectors in each frequency band.3.
该方法对信号进行小波包分解，通过分析在每个分解节点上重构的新序列，就能根据各频带内的特征向量对压力变化原因进行识别。
参考来源 - 基于网络控制的长输油管道泄漏检测与定位技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
M-band interpolatory wavelet packets is a sequence space spanned by dilation translates of a iterate function sequence obtained by a cardinal interpolation function.
带插值小波包是根据基插值函数建立的迭代函数序列进行伸缩平移的空间序列。
Wavelet packets with the advantage of time frequency zoom is used in this paper to decompose the post fault transient electrical quantities by the proper frequency span.
应用在时频空间皆具有良好聚焦特性的小波包，以适当频率带宽，对故障后暂态电气量进行分解。
The present paper presents the definition of continuous multi-wavelet packets on the interval and gives the decomposition and reconstruction algorithm for these multi-wavelet packets.
本文给出区间连续多小波包的定义和此多小波包的分解与重构算法。
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