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非平稳过程     
相关语句
  non-stationary process
     Hilbert-Huang Transform(HHT) is a new and self-adaptive signal processing method which is suitable for non-linear and non-stationary process.
     Hilbert Huang变换是一种新的自适应信号处理方法,它适合于处理非线性和非平稳过程
短句来源
     Hilbert-Huang Transform(HHT)is a new and self-adaptive signal processing method which is suitable for non-linear and non-stationary process.
     Hilbert-Huang变换是一种新的自适应信号处理方法,非常适用于非线性和非平稳过程
短句来源
     An abnormal non-stationary process with △T of 10 years occurs in the southeast coastal seismic area.
     对于东南沿海地震区,ΔT=10年时已表现出显著的非平稳过程的特征。
短句来源
     7. The wavelet analysis is applied to deal with the residual signal, since the residual signal includes the non-stationary process. The simulation result is satisfied.
     7.根据故障诊断残差信号中含有非平稳过程的特点,研究了小波变换应用于故障残差信号的奇异性检测与降噪的研究,取得了较好的效果。
短句来源
     The Hilbert-Huang transformation technique (HHT) absorbs the advantage of wavelet transformation 'multi- resolution, as well as overcomes the difficulty that il is needed to choose an appropriate wavelet function for wavelet transformation. This kind of dative decomposition method is suitable very much to analyze nonlinear and non-stationary process.
     Hilbert-Huang变换技术(HHT)既吸取了小波变换多分辨的优势,又克服了在小波变换中需要选择合适的小波基的困难,这种自适应的分解方法非常适于非线性和非平稳过程的分析。
短句来源
更多       
  nonstationary process
     This paper, in detect of the cementation performance between metal and non-metal material, analyses the signal of non stationary process by the method of wavelet transform,extracts effectively feature parameter which is needed in performance detect and improves the accuracy and efficiency of the detect.
     在对金属与非金属粘接件性能检测的分析处理中 ,应用小波变换的方法对这种非平稳过程的信号进行分析 ,有效提取了性能检测所需要的特征参数 ,为提高金属与非金属粘接件性能检测的准确率和效率奠定了基础
短句来源
     Therefore, it is suggested that the EMD method is a good method for demeaning the nonlinear and nonstationary process data, and the demeaning process and the data detrending are unified.
     EMD方法是对非线性、非平稳过程数据进行距平化的好方法 ,距平化的过程和消除趋势项的处理是统一的。
短句来源
     An efficient numerical method is proposed for calculation of the first crossing reliability of non stationary process linear combination.
     给出了非平稳过程线性组合的首次超越动力可靠度的一个有效数值计算方法。
短句来源
     With the theories of the Morlet continuous and Daubechies discrete wavelet transforms, time-frequency spectrum and multi-scaling decomposition are applied into the wave study. Wavelet transform is of great importance to the wave study in nonstationary process, localization and nonlinearity.
     结合Morlet连续子波和Daubechies离散子波变换,给出了波浪的依时频谱和多尺度分解,通过应用认为子波变换对波浪的非平稳过程、波浪的局部性和非线性研究具有重要的意义
短句来源
     Through the effects of the electromechanic characteristic parameter's change on the mechanic rotor have been considered,the electromechanic coupling system is composed of converter based on SPWM,cage type asynchronous machine and mechanic rotor has been established to study the rotor's nonstationary process.
     考虑到机电特征参数变化对机械转子系统产生影响,建立一种基于SPWM(sinusoid pulsewidth modulation)技术的变频器笼形异步电机机械转子的机电耦合系统模型,并利用该模型对系统起动非平稳过程进行研究。
短句来源
更多       
  non-stationary processes
     Since the decomposition is based on the local characteristic time scale of the data, it is applicable to nonlinear and non-stationary processes.
     由于分解是基于信号时域局部特征的,因此它特别适合用来分析非线性非平稳过程
短句来源
     In non-stationary processes, as machines are subjected to larger stress than that in stationary processes, monitoring of the non-stationary process is helpful to find early faults and prevent machines from severe broken.
     在非平稳过程中,由于机械设备所受的应力比平稳过程中所受的应力更为复杂,因此,对设备的非平稳过程进行监测有利于发现早期故障,避免故障发展导致的严重破坏.
短句来源
  nonstationary random process
     STOCHASTIC ANALYSIS O FUNSTIONAL STRUCTURE OF NONSTATIONARY RANDOM PROCESS IN COMPLETE PROBABILITY SPACE
     完备概率空间中一类非平稳过程泛函结构的随机分析
短句来源
     Characteristics Score and Statistics Analysis of Functional Structure of Generalized Nonstationary Random Process
     一类广义非平稳过程泛函结构的特征刻划与随机分析
短句来源
     This article discusses the functional structure of a nonstationary random process on the complete probability space with martingale theory and stochastic analysis process, and ob-tains Wiener processes, diffusion processes, Ito processes and a series of important results ofthe functional structure under Gauss Conditions. It is important for solving the optimum non-linear filters of such measurable stochastic process.
     本文运用鞅理论与随机分析方法讨论了完备概率空间中一类非平稳过程的泛函结构,得到了Wiener过程、扩散过程与Ito过程及其在Gauss情形下泛函结构的一系列重要结果,这对于解决该类可观测随机过程的最佳非线性滤波具有很大意义。
短句来源
     This article discussed the charaeteristics score of the functional structure of a nonstationary random process on the generalized complete probability space with martingale theory and stochastic process statistics method,and obtained wiener process,diffusion processes,Ito processes and a series of important results of analysis statistics of the functional structure under Gauss conditions. It is important for solving the optimum nonlinear filters of such measurable stochastic process.
     运用鞅理论与随机优化分析方法讨论了广义完备概率空间中一类非平稳过程泛函结构的特征刻划,得到了Wie-ner过程、扩散过程与lto过程及其在Gauss情形下泛函结构的一系列随机分析的结果,这对于解决这类可观测随机过程的最佳非线性滤波具有一定的意义.
短句来源

 

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  non-stationary process
This finding stands at variance with other recent studies which conclude that movements in real GDP per capita can be characterized as a non-stationary process.
      
It is tentatively ascribed to a non-stationary process or noise of electrochemical origin due to the ionic nature of the skin.
      
In these examples the incidence of disease may be age related resulting in a non-stationary process.
      
In this paper, an algorithm for estimating the time-varying components (TVCs), and hence the TF kernel, of a non-stationary process by using orthogonal projection is proposed.
      
Between seconds and minutes, we identified a second-order non-stationary process that could be caused by correlations.
      
更多          
  nonstationary process
The nonstationary process of the accumulation of ions of meteoric origin, which is caused by propagation of planetary waves at altitudes of the lower ionosphere, is considered.
      
The duration of the nonstationary process is shown to be short on a macroscopic time scale.
      
As a result of variations in this force due to the nonstationary process of dike intrusion in the axial zone of the ridge, disturbances of the stationary stress-strain state of the lithosphere migrate from the ridge.
      
The expression is based on distribution of the absolute maximum of the nonstationary process differentiable in the mean square representation.
      
A generalized fluctuation theorem is derived which relates the response function to a correlation of fluctuations of the unperturbed nonstationary process.
      
更多          
  non-stationary processes
Wavelet analysis and covariance structure of some classes of non-stationary processes
      
There exists a great deal of periodic non-stationary processes in natural, social and economical phenomenon.
      
The EMD is locally adaptive and suitable for analysis of non-linear or non-stationary processes.
      
We use the technique of generating variables to study stable and non-stationary processes needed to characterize rational beliefs.
      
Some new classes of discrete time non-stationary processes, related to the harmonizable andV-bounded classes, are introduced.
      
更多          
  nonstationary random process
Because of the ship's maneuvers, changes such as course and speed, the ship motions in waves are regarded as a nonstationary random process, although the seaway can be considered as a stationary stochastic process.
      
The recording of the nonstationary random process at the output of the measuring channel of the NAVSTAR satellite system is analyzed.
      
Axis crossings and relative time of existence of a periodically nonstationary random process
      
The probability density of the fade duration of a nonstationary random process
      
Dispersion of the number of fades of a piece of nonstationary random process
      
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