| 释义 |
nonstationary 英'nɒn'steɪʃənərɪ美'nɒn'steɪʃənərɪ COCA¹²²⁹⁶⁹
基本例句
adj.不稳定的非定常的
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。 dictall
In order to improve the robustness of voice activity detection VAD, the use of an algorithm based on complex Gaussian mixture model under nonstationary noisy environments was presented.
针对语音激活检测的鲁棒性问题，提出在非平稳噪声环境下使用基于复高斯混合模型的鲁棒语音激活检测算法。 dictall
It is beginning for wavelet transform to be applied to nonstationary random signal processing.
将小波变换用于非平稳随机信号分析与处理，目前刚刚开始。 cnki
The Doppler blood flow signal is inherently a nonstationary Gaussian random process whose time- frequency representation associates with the time-varying velocity of blood flow and its variations.
多普勒超声血流信号是一个非平稳的高斯随机过程，其时频分布与血流的速度及其变化有密切的关系。 cnki
The dynamical optimization design of mechanical system exited by nonstationary stochastic loads is very important for the mechanical system to have a fine performance during working.
非平稳随机激励的机械系统动态优化设计对于使承受随机激励荷载的系统具备优良的性能有着特殊的意义。 cnki
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。 cnki
The time-frequency method analyzed the nonstationary surface myoelectric signals during muscle dynamic contractions was introduced.
介绍了用于肌肉动态收缩期间非平稳表面肌电信号的时频分析方法。 cnki
The nonstationary random response of elastic circular arch under horizontal seismic excitation was studied by the method combining the pseudo- excitation algorithm with Galerkin algorithm.
应用虚拟激励法与伽辽金法相结合，分析弹性圆拱在非平稳水平随机地震作用下的随机响应问题。 dictall
A fair amount of theoretical and experimental work has been devoted at this agency to a better understanding of nonstationary aerodynamics.
在这方面已经有了大量的理论计算和实验工作可以更好地了解正常空气动力学。 jukuu
An improved linear time-frequency spatial spectral estimation algorithm is proposed to deal with multiple nonstationary signal sources with amplitude and phase modulation.
针对存在幅度和相位调制的非平稳信号的定向问题，本文提出了一种改进的线性时频空间谱估计算法。 dictall
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。 cnki
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。 cnki
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。 cnki
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。 cnki
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。 cnki
Orthogonal wavelet transformOWT 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。 dictall
Since the decomposition is based on the local characteristic time scale of the signal, it is applicable to nonlinear and nonstationary signal processing.
由于该方法是基于信号局部特征的，因此适用于非线性、非平稳信号的处理。 cnki
The results indicate that the wavelet transform is an effective tool for nonstationary stochastic series analysis, which has great potential in hydrology and water resources research.
研究结果表明，小波变换是分析非平稳随机时间序列的有效工具，在水文水资源领域应用潜力很大。 cnki
Thus, the problem of estimating of the reliability of structures under a big class of nonstationary random loadings with slowly varying statistics can be simplified significantly.
这样，大大地简化了在一大类统计特性缓慢变化的非平稳随机载荷作用下的结构的寿命与可靠性估计问题。 cnki
Time-delay estimation problem for a class of nonstationary signals with random amplitude polynomial phase signals is explored.
研究了一类非平稳信号具有随机幅度的多项式相位信号的时延估计问题。 cnki
Nonstationary random vibration of vehicle systems with uniform variable speed is discussed in this paper.
对车辆系统变速行驶所引起的非平稳随机振动进行了研究。 dictall |