Elaborated the bispectrum definition, the nature, the algorithm and the physics significance, in-depth studied the bispectrum analysis in signal processing and state monitoring.
阐述了双谱的定义、性质、算法和物理意义,并深入研究双谱分析在信号处理及状态监测中的应用。
参考来源 - 基于小波域双谱分析的故障诊断方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了基于双谱分析的表面粗糙度特征分析方法。
Based on bispectrum analysis, a new characterizing method of surface roughness is presented.
提出了基于双谱分析的旋转机械故障诊断新方法。
A new method based on bispectral analysis for rotating machinery faults diagnosis is presented.
以双谱分析理论为基础，分析并计算了不同振动信号的选择双谱。
The theory of bispectra analysis is reviewed and vibration signal selected bispectra for vehicle shock absorber are plotted.
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