多尺度非线性结构张量 MSNST
通过具体的碰摩故障诊断实例，对比分析了经典线性方法的局限和多尺度非线性方法的优势。
Based on the specific diagnostic cases of impact-rub fault, the limitation of classical linear method and the advantage of multidimensional method are analyzed by comparison.
首先，用多尺度法导出弱非线性强迫激励系统的频率响应函数。
Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
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.
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