查询词典 hurst

In order to let Apparent Hurst exponent be greater than 1, an accelerated fractional Brownian motion is introduced based on the fractional Brownian motion. A new particle tracking technique is established to model the non-Fickian dispersion in coastal waters.

因此本研究在分数型布朗运动的基础上，引进加速分数型布朗运动来模拟non-Fickian扩散，使表面Hurst指数可以大于1，从而建立了一种新型的粒子追踪技术，由此来模拟沿海水域中的non-Fickian传播。

By sampling from the traffic flow and averaging non-overlapping blocks of size m from the original series, the variance asymptotic characteristic of the averaged series is obtained, from which this method shows that the splitting, assembling and merging process of the convergence mechanism will not change the Hurst parmeter of the traffic if the queue length of assemble buffer has a finite second-order moment.

在分析光突发交换边缘结点汇聚机制的基础上，提出了一种基于方差时间图的分析方法，利用"时间离散"和"尺度聚集"的思想，通过构造不同聚集级别m的聚集序列，分析得出业务流时间聚集序列的方差渐近性，从理论上证明了在组装器队长具有有限二阶矩的条件下，汇聚机制的分解、组装和合并过程不会改变业务流的Hurst参数。

Secondly, a series of computer programs have been developed and verified according to the deterministic chaos theory and algorithms. These programs are deterministic chaos qualitative analysis tools including phase plots and Poincare section analysis software packages; deterministic chaos quantitative analysis tools including the largest Lyapunov exponent, correlation dimension and Kolmogorov entropy analysis codes and classical analysis such as power spectrum, autocorrelation coefficient and Hurst analysis programs.

其次，根据确定性混沌分析技术主要内容的算法思想，自行开发了相图、Poincare截面等定性分析程序软件包；最大李雅普诺夫指数、关联维数和K熵等定量分析程序软件包以及非线性混沌预测程序软件包；同时，还开发了功率谱、自相关系数、Hurst指数等传统分析技术程序软件包；并运用三种典型的周期运动、混沌运动及随机运动时间序列数据，验证了开发的程序。

Then an adaptive, efficient unbiased estimator of Hurst index based on multiresolution wavelet analysis and weighted regression is presented.

针对基于小波的Hurst指数估计方法的自适应问题，结合方差分析给出了一种有效的解决方法，从而提出了自适应的参数估计方法，并且该方法在一般意义上是无偏的。

In 1951, Hurst defined a method to study natural phenomena such as the flow of the Nile River.

2， 在1951年，HURST定义了一种研究自然现象比如NILE河的流动的方法。

In this paper, a novel Hurst index estimation method based on the DFGN model and wavelet analysis is proposed.

为此提出了一种新的基于小波变换和分数高斯噪声模型的Hurst指数提取方法。

To tell you the truth, the first time I saw Mr Hurst, I was very frightened of his moustache.

见到Hurst先生的第一眼，说实话，我被他的胡子吓到了。

The impact of Hurst index and variance coefficient on network performance is studied by mean of simulation.

目前绝大部分研究都集中在Hurst系数的估计及其性能影响上，这是不全面的。

The estimation of Hurst index from noisy fractal signals is an important problem.

分形信号中Hurst指数的提取是一个十分重要的研究方向。

According to fractal theory, R/S analysis on the typical colluvial landslides is complete, finding that the parameter of Hurst decreases just at the time before the landslide took place. This research result shows that Hurst parameter is an effective nonlinear displacement parameter and it also has a very explicit forecast function.

根据分形理论，运用时序分形分析法对堆积层滑坡的位移规律进行了R/S分析，发现了其位移Hurst指数在边坡整体失稳前，存在明显降维现象，证明了位移Hurst指数是边坡一种有效的位移非线性参数且具有明确的稳定性预报功能。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。