Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
小波变换具有良好的时频局部性，具有变焦距的特点，对故障信号中的奇异点能够准确识别，是论文中应用的主要分析方法。
By adopting the method based on instantaneous motion analysis of mechanism, the distinguishing matrix for singularity configuration of 3-rtt parallel robot was established.
采用基于机构瞬时运动分析的方法，建立了3 - RTT并联机器人的奇异位形判别阵。
In this paper, the method of singularity function is applied to the structural plastic limit analysis, and simplified the calculation of limit loads of some annular plates of fixed supports.
本文将奇异函数法应用于结构的塑性极限分析，简化计算某些固支环形板的极限荷载。
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