1) Stationary and non stationary components separation
平稳和非平稳成分分离
2) nonstationary blind source separation
非平稳盲源分离
1.
The nonstationary vibration sources that are mutually independent can be effectively identified by using the nonstationary blind source separation(method) from the multi-channel fault vibration signals.
针对不同时频分布的非平稳盲源分离算法,比较了它们的分离效果。
3) second order non-stationary source separation
二阶非平稳源分离
1.
Methods Utilizing the sEMG signals recorded at low muscle contraction force(10% MVC),the methods of second order non-stationary source separation(SEONS)and FastICA were explored to analyze the sEMG signals decomposition.
方法采用二阶非平稳源分离(SEONS)算法以及FastICA方法对肌肉轻度收缩情况(10%MVC)的sEMG进行分解研究,并对分离信号中的运动单位动作电位波形进行检测判断。
4) non-stationary time series analysis
非平稳时序分析
5) nonstationary subdivision schemes
非平稳重分法
补充资料：平稳期
平稳期 Basing
定义：
由于股价变化极少甚至没有变动而引起的股价持平时期。