This phase of the filtration process is called nonstationary filtration .

这个过滤阶段称为非稳态过滤。

An integral inference method for nonstationary stochastic process is established.

建立一种非平稳随机过程整体推断方法。

A state space approach for the modeling of nonstationary time series is presented.

非平稳时间序列的状态空间建模技术被用于陀螺漂移分析。

A reassignment method for nonstationary time-frequency joint analysis is introduced.

介绍了非平稳信号时频联合分析中的重排方法。

In this paper, a nonstationary model for two dimensional correlative source is given.

本文提出一种二维相关的非平稳信源模型。

Reversed order method is used to prove that the noise of driver axle is a nonstationary signal.

利用逆序法对驱动桥噪声信号的平稳性进行了验证，指出其噪声信号为非稳态信号。

The systems disturbed by nonstationary noise are often encountered in the practical identification.

在辨识实际系统时，非平稳噪声扰动是较多见的。

Numerical results are presented for the bilinear hysteretic structures to nonstationary excitations.

对受到非平稳激励的双线性滞后结构给出了数值解。

The instantaneous power spectrum of nonstationary random vibration signals is discussed in this paper.

本文研究了非平稳随机振动信号的瞬时功率谱。

Frequency-Hopping signal is a typical nonstationary signal and must adopt nonstationary signal processing methods.

跳频信号是典型的非平稳信号，必须采用非平稳信号处理方法。

A detailed analysis of routing decision in packet switching networks in a nonstationary transient environment is made.

对分组交换网非平稳过渡过程的路由选择问题进行了分析。

Many signals, such as communication signals, some radar signals, seismic waves and sonar, are all nonstationary signals.

实际应用中的许多信号，如通讯信号、某些雷达信号、地震波、声纳等，都是非平稳信号。

If the background noise is nonstationary and non-Gaussian, the effect of classic signal detection theory is not satisfying.

在非平稳非高斯背景噪声下，使用经典信号检测理论对信号进行检测往往难以达到理想的效果。

The paper introduces a prestack depth migration by nonstationary phase shift method suitable for laterally variable velocity.

介绍一种能够适应介质速度横向变化的非稳态相移算子及其叠前深度偏移方法。

A novel approach of deterministic blind beamforming (DBBF) for broadband nonstationary source separation is presented in this paper.

提出了一种用于分离宽带非平稳信源的盲波束算法。

Based on the features of existing structure, the nonstationary random process model of resistance for existing structure is proposed.

根据服役结构的特点，提出了服役结构抗力的非平稳随机过程模型。

This paper presents an adaptive prediction coding scheme for the image signals regarded as a high order nonstationary Markov process.

本文把图象信号作为一个高阶非稳马尔柯夫过程，提出一种自适应预测编码方案。

It can handle the filtering, smoothing and prediction problems in a unified framework, and can handle nonstationary signals and noises.

它可统一处理滤波、平滑和预报问题，且可处理非平稳信号和噪声。

The method is straight-forward and efficient, since it reduces the nonstationary response problem to complex algebraic operations only.

方法简便实用，它将非平稳随机响应问题归结为复代数运算。

It is a important task in the analysis of radar signals that to find a effective and rapid way to estimate the DOA of nonstationary signals.

如何快速而有效地实现对非平稳雷达信号到达角的估计成为雷达信号分析研究的一项重要任务。

Finally, the method of solving instantaneous acceleration power spectrum of nonstationary random response of arbitrarily point on vehicle is presented.

最后给出如何求解车辆上任一固定点非平稳随机响应的瞬时加速度功率谱。

Numerical test results show that SVR has good ability of modeling nonstationary financial time series and good generalization under small data set available.

数值实验表明，SVR方法对非平稳的金融时间序列具有良好的建模和泛化能力。

Heart sound is a highly nonstationary signal, and the Short-time Fourier Transformation (STFT) is an effective method for this kind of signal to be analysed.

心音信号是一种典型的非平稳信号，短时傅立叶变换(STFT，又称窗口傅立叶变换)是用于对非平稳信号进行时频分析的有效工具。

The noise mixed on process signal by a linear and convolutive fashion in a stationary or nonstationary propagation passage can be canceled with this approach.

可使线性静态或动态传输通道中混叠的多源信号实现分离，从而可应用于传输信号上的去噪。

Orthogonal wavelet transform (OWT) matrix is constructed and the residual correlation property of OWT is analyzed under the stationary and nonstationary models.

构造了正交小波变换矩阵，分析了平稳模型和非平稳模型下正交小波变换的残余相关特性。

Although the engine's rotational speed changes notable and the vibration signal is seriously nonstationary, the character component's parameter is picked up precisely.

当发动机转速变化较大，振动信号非平稳严重时，高精度地提取出了特征分量的参数。

The second nonstationary random process mathematical model, which is based on data, is the a modification to the first nonstationary random process mathematical model.

基于数据的第二种非平稳随机过程数学模型是第一种非平稳随机过程数学模型的继续。

Some nonstationary Iterative methods for large linear systems in MATLAB are introduced in this paper. We also introduce the mathematic description of the GMRES method.

本文介绍了MATLAB中求解大型线性方程组常用的非定常迭代法，并以GMRES算法为例介绍了算法的数学描述。