动态数据的谱分析

Spectral Analysis of Dynamic Series

变形监测数据是一个动态的时间序列 ,它也可看成是在外力 (输入 )作用下系统的一个输出。这些外力可以是温度、降水、荷载等。因此 ,变形结果与外力有着必然的联系。周期性的现象则是非常普遍的 ,频谱分析则非常合适对周期的现象进行分析。通过频谱分析可以初步确定变形由哪些因素引起以及定性地了解外力对变形的影响程度。

Deformation data is a dynamic time series.It is also an output of a system by the influence of outside factors,temperature,load,preci pitation etc.Therefore,there are relations between them.Periodic phenomenon is everywhere.The best method to analyze period is spectrum analysis,by that the outside factors and the qualitative contribute of the factors to the deformation can be found.