对应的映射成为线性特征提取方法和非线性特征提取方法。
The mappings are called linear feature extraction and nonlinear feature extraction correspondingly.
针对其时变、非线性以及长相关性等特点，提出一种多尺度分解的VBR视频业务的特征提取方法。
As to the time variation, non-linearity and long range dependence in VBR video traffic trace, a novel method of feature based on multi-scale decomposition was proposed.
论述了延时嵌入相空间重构方法及其伪相图的获取技术，将这一方法用于大机组非线性故障的定性特征提取。
The theory of phase space reconstruction with time delay embedding is explained comprehensively in this paper, and used to extract qualitative features of nonlinear fault in large rotating machinery.
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