• 实验表明方法能够有效预测平稳服务器负载序列预测精度明显高于传统预测方法

    Experiments results show that this method can predict non-stationary server load series efficiently and has higher prediction accuracy than traditional methods.

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  • 考虑通道平稳信号干扰背景噪声情况下提出基于自适应参数型时间延时估计方法

    Taking into account the multi channels disturbance and noises with the non stationary characteristic, time delay estimation based on adaptive parametric approach is proposed.

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  • 实验结果表明,该法分析处理具有时变特性平稳信号的一种有效方法

    Experiments show that the technique is effective for processing unstable signals of time-variation spectra.

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  • 给出平稳过程线性组合首次超越动力可靠度的一个有效数值计算方法

    An efficient numerical method is proposed for calculation of the first crossing reliability of non stationary process linear combination.

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  • 提出种通用性强、适用于广义平稳随机过程均匀采样信号谱分析的方法——采样间隔统计分析法。

    A new method, the sampling interval stat. analysis method, was set up to analyze the non-uniformly sampling signal of the wide-sense stationary random processes.

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  • 循环平稳处理方法高斯噪声敏感,对高斯色噪声较强的抑制作用,而且比情况下工作良好。应用于低信噪比环境中。

    Cyclostationary method is not sensitive to the Gaussian color noise and can do with non Gaussian color noise as well, which is proved to be effective in low SNR environment.

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  • 提出一种平稳地形TERCOM地图匹配性能估计方法

    A method for estimating the matching performance of TERCOM map under non stationary terrain is proposed.

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  • 建立一种平稳随机过程整体推断方法

    An integral inference method for nonstationary stochastic process is established.

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  • 本文时间序列分析方法机床连续切削连续平稳切削状态下识别机床的固有频率

    In this article, the natural frequencies of machine tools under continuous cutting and steady non-continuous cutting conditions are identified with time series method.

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  • 三次样条函数入手,提出新的适合平稳数据分析预测滤波器设计方法

    The paper presents a new method to design a predictive filter which suits to analyze non-stationary data.

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  • 介绍了平稳信号时频联合分析中的重排方法

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

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  • 提出一种渐进谱目标生成幅值频率平稳地震加速度时程的迭代方法

    Then a new iteration method is developed for generation of random accelerograms non-stationary both in amplitude and frequency which are compatible with target.

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  • 方法简便实用,非平稳随机响应问题归结代数运算

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

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  • 方法得大连理工大学博土学位论文到的趋向性序列准确地逼近非平稳随机信号趋向性曲线

    The trend component series derived in this way can near more exactly the trend component curve of the variance-stationary random signal.

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  • 针对数控机床机械系统线性和振动信号非平稳特性引入局域分析方法

    Then, Local Wave method is introduced in consideration of the non-stationarity characteristic of the vibrating signals from NC machines.

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  • 方法得到趋向性序列准确地逼近非平稳随机信号趋向性曲线

    The trend component series derived from this way can near more exactly the trend component curve of the variance-stationary random signal.

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  • 针对旋转机械平稳信号特点,提出采用谐波小波滤波现场采集振动信号进行故障诊断方法

    A new method of fault diagnosis of in-situ sampled vibration signals is introduced for the non-stationery signals of rotating machines by using the harmonic wavelet filtering.

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  • 验证时间序列分析方法非平稳随机信号处理方面可靠性

    The reliability of the time-series analysis method in processing unsteady random signals is verited.

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  • 本文提出一种基于迭代方法关于卷积混宽带非平稳有色信号分离算法

    In this paper, a convolutive blind source separation (BSS) algorithm based on a double-iteration method is proposed to process the convolutive mixed non-white broadband signals.

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  • 移动修正周期图谱估计方法实时处理平稳信号处理的场合中常用的一种有效方法

    To modify periodogram by moving is a useful and effective method for either real time signal processing or non-stable signal processing.

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  • 提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析方法

    A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.

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  • 针对陀螺稳定平台系统中光纤陀螺信号噪声平稳特点分析并讨论了光纤陀螺输出信号模型常用陀螺信号滤波方法的优缺点。

    Aiming at the non-stationary character of signal noise of fiber optic gyro (FOG) in the stabilized platform, the signal model of FOG and some methods of noise reduction are analyzed and discussed.

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  • 针对随机结构非平稳随机激励下动力可靠性分析问题,提出了基于估计法的随机结构动力可靠性分析方法

    For dynamic reliability analysis of stochastic structures under non-stationary random excitation, a new dynamic reliability assessment method is presented based on the point estimation.

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  • 介绍了变换基本概念滤波特性,给出小波变换作为新的分析工具非平稳信号分析中的应用方法

    The concepts and its filter of wavelet transform are introduced, the application of wavelet as a kind of new analysis tools in unstable signal analysis is presented.

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  • 方法有效提取平稳周期波形非平稳冲击衰减响应

    By using the proposed method, both the periodic and the impulse response waveforms can be separately extracted from the signal.

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  • 本文提出线性多自由度系统平稳随机激励确定性外力共同作用下,响应分析的等价线性化方法

    An equivalent linearization method is proposed to the case of the nonlinear multi-degree-of-freedom systems with combined excitations of nonstationary processes and deterministic forces.

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  • 单位检验计量经济学中检验时间序列数据平稳重要工具整检验则是用来判断平稳变量之间是否存在长期均衡关系的常用方法

    As an important tool of testing time series stationarity, unit root test is always used, and cointegration test is also often implied for judging long equilibrium between nonstationary variables.

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  • 介绍了用于非平稳线性信号四分位偏差分形算法通过仿真实例验证了计算方法准确性

    The fractal dimension algorithm using quartile deviation on non-stationary and nonlinear signals is introduced. And the accuracy of this algorithm is verified by simulation.

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  • 跳频信号典型平稳信号,必须采用非平稳信号处理方法

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

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  • 研究结果表明基于经验模式分解分析方法可以有效地提取平稳故障特征信号一种适合线性信号处理方法

    The experiment result shows that the time-frequency method based on EMD can effectively extract the feature of unbalanced fault signal and is proper for non-frequency modulation signal procession.

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