英语释义

1. not stationary
nonstationary sources of pollution Then the lidar … overlays that with a real-time image, which would include "nonstationary objects" which include animals, people, and other cars.
— Scott Sturgis

片语

Nonstationary sources非平稳源

mobile移动电话

nonstationary flow非定常流

nonstationary demand非平稳需求

nonstationary detector非平稳检测器

nonstationary motion不稳定运动

nonstationary random非平稳随机

nonstationary series非平稳数列

Nonstationary Degree非稳定度

nonstationary filter非平稳滤波

英汉例句

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。

• according to the nonlinear and nonstationary characteristic in vibration of hgu, the theory of least squares support vector machines(ls-svm) is introduced to the vibration trend prediction of hgu.

  针对水电机组振动的非线性、非平稳特性，提出将最小二乘支持向量机应用于水电机组振动状态趋势预测；

• 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。

• adaptive hierarchical lapped orthogonal transform (ahlot) was proposed to track and reject the nonstationary interference in spread spectrum communications.

  提出用自适应多分辨正交变换（ahlot）对扩频系统中的非平稳干扰进行跟蹤并消除。

• 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。

• 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。

• the discrete nonstationary gaussian processes are encountered in manypractical situations.

  离散非平稳高斯过程在实际中经常遇到。

• 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。

• 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。

• because stock forecasting is a uncertain, nonlinear and nonstationary time series problem, it is difficult to achieve a satisfying prediction effect by traditional methods.

  由于股票预测是不确定、非线性、非平稳的时间序列问题，传统的方法往往难以取得满意的预测效果。

• 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。

• 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。

• 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。

• the earthquake ground motion model is simulated as nonstationary stochastic process model that is used as equivalent stationary stochastic process.

  将地震地面运动模型模拟为非平稳随机过程模型，对其进行等效平稳化。

• an equivalent linearization method for obtaining the response of nonlinear multi-degree-of-freedom dynamic systems to nonstationary gaussian excitation with nonzero mean is presented.

  本文提出了一种在非零均值非平稳高斯激励下获得非线性多自由度系统响应的等效线性化方法。

• 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。

• 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。

• although the work is based on the nonstationary signal of quadratic phase, the methods can also be extended to higher-order polynomial phase signal.

  论文的研究虽然是基于不高于二次相位项的非平稳信号，但是其思想方法也可以推广到更高阶的多项式相位信号。

• rate line detector and carrier detector works well in nonstationary environment and can get the parameters of the signal, so is very practical.

  率线检测和载波检测都对非平稳的噪声有较好的抑制且可以给出信号的参数估计，是非常实用的检测方法。

• in this dissertation, the probabilistic seismic response of liquefiable foundations and earth dams was carried out via stochastic finite element method under nonstationary seismic loadings.

  本文运用随机动力有限元法，对可液化地基与堤坝在非平稳随机地震输入下进行了动力响应的可靠度分析。

• the method differs from traditional fft transform in its capability to analyze nonstationary noise signals of faulty mechatronics equipments. it offers a way for noise monitoring and fault diagnosis.

  该方法不同于传统的基于fft分析的声强计算方法，可以实现对非平稳故障噪声信号的分析，为机电设备的噪声监测和故障诊断提供了一条研究途径。

• basing on data are from eight asian countries, this paper use nonstationary panel data to research the growth & concentration of banks by competed.

  本文基于亚洲国家或地区的相关数据，运用非稳定面板数据计量方法研究银行集中与经济增长的关系。