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- Based on the reconstruction of the chaotic dynamic space,the correlation dimension method and Lyapunov exponent method are applied to identify the chaos of monthly runoff series. 通过江桥站和丰满水库实际月径流序列的预测结果表明,月径流序列中存在着一定的混沌特征。
- correlation dimension method 关联维数
- In this paper surrogate-data method of phase-randomized based on correlation dimension is proposed to identify the nonlinearity and chaos of data obtained by ship inertial navigation system. 利用基于关联维数的相位随机化的替代数据法,给出了对船舶运动惯导实测时间序列进行非线性判定和混沌判定的方法。
- Wood surface roughness was studied by using fractal dimension method. 应用分形维对木材表面粗糙度特征进行研究。
- THIS FIGURE IS OBTAINED BY SUMMING THE SQUARES OF THE SAMPLE FREQUENCIES. THESE NUMBERS ARE USED TO ESTIMATE THE CORRELATION DIMENSION. 这个数是由抽样频率的SQUARES合计出来的。这些数被用来估算关联维。
- Considering accuracy of correlation dimension is affected by embedded dimension and time delay,combined algorithm is used to dete. 考虑到相空间重构中嵌入维数和时间延迟对关联维数精度的影响,采用联合算法确定2个参数。
- The case study shows that it is of high accuracy to use the de-noised signal correlation dimension to judge the running state of the diesel. 实验分析表明，利用降噪后的信号关联维数判断柴油机运行状态具有准确性高的特点。
- The parameters derived from the non liner test were index of Poincare graphics (PLO),complexity(COM),prediction(PRE),index of Lyapounov(LI), and correlation dimension (CD). 非线性检测包括构成散点图、计算散点图量化指标（PLO）以及复杂度（COM）、预测度（PRE）、李雅普诺夫指数（LI）、相关维（CD）等参数。
- The transition between the homogeneous bubbly flow regime and the churn-turbulent flow regime was characterized using the correlation dimension quantitatively. 通过相关维数，定量描述了泡相和乳化相间流型的过渡。
- The fractal features of accident time series were studied by using G-P(Grassberger-Procaccia)arithmetic and correlation dimension of accident time series was calculated out. 研究结果表明:当嵌入维数达到8以后;该事故动力学系统具有稳定的关联维数4.;7;说明至少有5个因子在影响着事故时间序列的动态变化;并且该系统的有效自由度为8。
- The fractal dimension of distribution pattern of Larix chinensis is studied by using box-counting dimension, information dimension and correlation dimension. 应用分形理论的计盒维数、信息维数和关联维数研究了太白红杉的种群格局特征。
- With this method, the fractal scaleless band of time-series can be identified and the correlative dimension of time series can be calculated according to the parameters given. 该方法可按给定的置信度和相关性指标,逐步递归、识别并计算出一维时间序列的无标度区及关联维数。
- Because of the poor ability of themulti-direction fractal dimension method in recognizing thin sand atlongitudinal direction, advanced matching pursuit complex waveletmethod is studied. 针对多方向分形分维方法纵向上识别薄层砂岩能力较弱,研究了经过改进的复数子波匹配追踪方法。
- The fractal theory and the computation of capacity dimension are introduced in this paper, taking the Yichang gauging station of Three Gorges Reservoir as an example, and by using the traditional statistics method and the dynamic fractal dimension method. 介绍了分形理论及容量维数的计算方法，以三峡水库宜昌站为例，利用传统统计学法和动态分维数法，确定了洪水分期数目，并计算了各分期的容量维数，从而最终确定三峡水库的洪水分期。
- Perf. Dat -- an "artifical" set cooked up to give a clear example of a case where the information and correlation dimension estimates differ significantly from the capacity dimension estimate. 一个“虚拟”的集合调制出一个清晰的例子,在某种情况下其信息和关联维数的估算值在相当大程度上与容量维数的估算值不同。
- Correlation dimension is an important parameter to measure a nonlinear time sequence quantitatively,and it is widely used to analyze harmonic component of power system and biomedical signal. 相关维数是定量描述非线性时间序列的一个重要参数,在电力系统谐波分析与生物医学信号特征描述等方面得到了广泛地应用。
- Correlation dimension D_2 can be used to identify different suspension types such as those of the off-road jeep and the car. The D_2 of the off-road jeep is larger than the one of the car. 对于不同车型;可采用关联维D2区分吉普车型或轿车型的悬架;吉普车型的D2值高于轿车型.
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- By calculating the Euclidian dis-tances of the phase point in phase space, both the phase density and the phase variance are defined and compared with correlation dimension which reflects the chaotic features of nonlinear dynamics system. 通过计算相空间状态点间的欧氏距离,定义相对嵌入维数的态密度和态方差,并与反映非线性动力学系统混沌特征的关联维数作比较。
