In the age of globalization, the individual existent fettles took place the important variety. 全球化时代的个人存在状态发生了重大变化。
Thesis is in simple introduction a few analysis method and steady data of fettles with the foundation of the characteristic sketch of the data of instantaneous fettle lastly, put forward vibration signal of some concrete problem. 论文在简单介绍几种分析方法以及稳态数据和瞬态数据的特征图形的基础上,提出了振动信号中的若干具体问题。