英语语法分析

In this paper, we consider the nonstationarity of the wind-excitation.

本文考虑了风激励的非平稳性。

Both the friction signal and sudden unbalance signal features nonstationarity.

碰磨信号和突加不平衡信号均具有较强的非平稳性。

Geographically weighted regression(GWR), on the other hand, is a simple, but useful new technique for the analysis of spatial nonstationarity.

GWR是一种简单、有效的技术，可以反映参数在不同空间的空间非稳定性。