non-diagonal slices spectrum 非对角切片谱
The diagonal slices high-order spectrum of the envelope signal based on the original vibration signal was calculated and the non-linear feature derived from the quadratic phase coupling was extracted.
该方法利用希尔伯特变换构造原始信号的解析信号,在高阶谱分析的基础上求其对角切片谱,可以有效地分析二次相位耦合引起的非线性信号。
参考来源 - 一种基于对角切片高阶谱的故障识别方法·2,447,543篇论文数据，部分数据来源于NoteExpress
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