Compare with traditional spectrum analysis and power spectrum analysis,the envelope analysis,refining spectrum analysis and dimensionless analysis have unique advantage for diagnostics of bearing and gear. At the same time,the software has some problems,such as hardware and network etc.
与传统的频谱分析及功率谱分析相比,其采用的包络分析技术、细化谱技术及无量纲分析技术对于轴承、齿轮的故障诊断有着独特的优势,同时也存在硬件设备、网络化问题等下一步应着力解决的问题。
参考来源 - 旋转机械振动在线监测系统设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
By means of dimensionless analysis an experimental correlation for predicting stability of system is obtained and stability threshold diagrams have been found.
采用无因次分析法得到了预测系统稳定的经验关系式，并得到了判断系统稳定性的界限图。
With the similarity theory and dimensionless analysis method, the relation and corresponding dimensionless relation of the distance between the point of primary breakup and the axis are given.
在此基础上，利用相似性理论和无量纲分析，获得了运动状态下液体轴对称抛撒首次破碎点与对称轴之间的距离与相关参数的无量纲关系式。
A flow model was built. Moreover, based on the theoretical analysis, Renault number was proposed as the design principle dimensionless number for fiber film extractor design purpose.
建立了流动模型，提出了以无量纲准则数雷诺数为设计纤维液膜萃取分离器的准则。
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