1) short-time non-stationary
短时非平稳
1.
The features of energy distribution for blasting seismic wave which is short-time non-stationary random signal are analysed by wavelet transform technique.
为了深入研究爆破地震波特性,应用小波变换方法对具有短时非平稳特点的爆破振动信号进行了能量分布特征分析。
2) short-time stability
短时平稳
1.
Duo to the short-time stability of wave hydrodynamic pressure,a prediction filtering method of local support vector machine (LSVM) was proposed.
针对海浪水压场的短时平稳性,采用局域支持向量机进行预测滤波。
3) Non stationary time series
非平稳时间序列
1.
Therefore a study on the predicting model with non stationary time series is made.
目的许多大型旋转机械运行工况恶劣 ,非平稳、非线性特征明显 ,以及各种突发性、偶然性因素的影响 ,给基于振动信号处理的状态预测和状态维护分析带来困难 ,为此研究了非平稳时间序列预测模型。
2.
By using the proposed segmental feature dependent non stationary time series model, the new model not only achieves the modeling of correlation between different scale features but also implicitly models the correlation among neighboring frames in frame scale via parametric mean trajectory function.
该模型采用描述谱参数轨迹的段特征 ,在段尺度上实现了对语音信号帧间相关性的显式建模 ;采用段特征依赖的非平稳时间序列产生模型 ,实现了不同尺度特征间的相关性建模 ,并在帧尺度上通过参数化的均值轨迹函数 ,实现了对语音信号帧间相关性的隐式建模 。
3.
This paper introduced a method of wavelet based analysis and forecasting for non stationary time series.
提出了基于小波变换的非平稳时间序列分析预测方法 。
4) non-stationary time series
非平稳时间序列
1.
Study on the methods for modeling and forecasting gyro s drift performance based on non-stationary time series;
基于非平稳时间序列的陀螺漂移性能建模与预测方法研究
2.
Non-stationary time series prediction based on wavelet analysis and AR-LSSVM;
基于小波变换和AR-LSSVM的非平稳时间序列预测
3.
To build an appropriate mathematic model of the random drift of flexible gyro,two methods are discussed,using non-stationary time series analysis and using stationary time series analysis based on wavelet discomposition.
以挠性陀螺的随机漂移为研究对象,采用非平稳时间序列分析法和基于小波分解的平稳时间序列分析法,建立相应的随机漂移模型。
5) non-stationary time series analysis
非平稳时序分析
6) non-stationary time history
非平稳时间历程
1.
Based on the non-stationary time history,three elements of design ground motion are proposed,i.
本文基于非平稳时间历程,在不考虑频率非平稳性的基础上,提出了设计地震动三要素:(1)平方和SS;(2)归一化自相关函数或其对应的功率谱;(3)地震动时域包线。
补充资料：非短
1.过失﹔短处。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条