1) characteristic exponent
特征指数
1.
Estimation of characteristic exponent by discriminant method
利用判别式估计特征指数
2.
The stability of the linear periodic system is determined by it s characteristic exponent.
线性周期系统的稳定性完全由它的特征指数决定,该文研究如何配置线性周期系统的特征指数。
3.
The characteristic exponent of the symmetrically strict stable distribution with double parameters is discussed,and some theorems and a characteristic exponent equation of the broad stable distribution with double parameters were presented.
讨论了两参数的对称严格稳定分布的特征指数,并由此推出两参数的广义稳定分布的特征指数公式及相关的定理。
2) characteristic index
特征指数
1.
Short-term load forecasting using restructuring algorithm of phase space based on characteristic index;
电力系统短期负荷的特征指数相空间重构预测法
2.
The ecological charastics of phytoplankton flora including their species composition and their abundance,as well as the characteristic index(diversity index,evenness index, abundance index,prevalence index and simplicity index) were preliminarily analyzed.
从2005年4月~2006年3月对谢二矿采煤塌陷塘进行了调查,对其进行了浮游植物的种类组成、丰度分布及群落结构特征指数(多样度、均匀度、丰富度、优势度和单纯度)等群落生态学初步分析。
3.
We apply the character in the stable distribution to the Shanghai Stocks Exchange Composite index,using the scaling of fluctuations,and gain characteristic index,which is 1.
本文采用稳定分布的性质对高频上证指数收益率的分布作了标度分析,求得特征指数为1。
3) character index
特征指数
1.
According to this characteristics of multifrequency signal,the frequency of every component of the multifrequency signal was estimated by the multi-phase oscillator array,and the amplitude and phase were estimated simultaneously by the mean character index.
将待测多频信号送入Duffing振子中,用多相位振子组法估计各分量的频率,再通过平均特征指数法得到各频率分量对应的幅值和相位。
2.
Through analyzing the change of south Asia high character index and upper air trough,the impact of South Asia High on Jiangsu plum rain and main precipitation area are discussed.
通过2002~2005年南亚高压特征指数、高空槽变化过程分析,讨论了南压高压对江苏梅雨期和主要降水落区的影响。
4) eigenexponent
特征指数
1.
The direct analytical approach for calculating the derivatives of the eigenexponentss of the systems is extended to the case that the system s matrix K is nondefective.
将直接解析方法延伸到非亏损矩阵K的特征值的灵敏度分析 ,导出了周期系数系统非亏损特征指数出现重根时的灵敏度计算公式 。
2.
Derivatives of simple eigenexponents with respect to the system design parameters are investigated, and the general formulae are given for computing these derivatives (eigensensitivities ).
研究简单特征指数关于系统设计参数的导数,指出了Lu和Murthy结果的局限性,并给出了普适的特征灵敏度公式。
5) Liapunov index
Liapunov特征指数
6) Lyapunov exponent
Lyapunov特征指数
1.
The paper analyzes the bullwhip effect problem generated by ARMA(1,1) process and calculation of Lyapunov exponent in multi-echelon supply chain,discusses the stability conditions of the model and offers a theoretical base for studying the complexity of integrative supply chain management.
近年来,关于这种需求放大现象的研究已经从传统的统计学领域转移到复杂性领域,尤其通过混沌理论可以进行有效的分析和仿真,Lyapunov特征指数就是判定动力学系统混沌程度的参数之一。
补充资料:特征指数
特征指数
characteristic exponent
特征指数【d皿.d曰如良ex脚.‘;x娜脚口哪甲口.洲翻浦.盆洲.,宫n期‘] l)同月斑WHoB特征指数(L声PUr幻v比团班北出tiCexponent). 2)具有周期系数的线性常微分方程系统的特征指攀是系统乘子(mul喇玩)的自然对数除以系统系数周期的商.在此情况下,系统的月胡邓曲特征指数等于该系统特征指数的实部.等价的定义为:数“称为一个具有周期系数的线性常微分方程系统的特征指数,如果这个系统有「以p(以)ly(t)形式的复数解,其中向量函数y(y(t)举0)对t是周期的,且有同样的周期,t 6R,“任C. 3)当问题中的系统为非线性时,也会出现“常微分方程系统解的特呼指称”(d以m以。乞.expe‘of“solu-don)这一说法.这是指给定系统沿着一个给定解的变分方程系统的特征指数,这里再度出现的“特征指数”一词可以理解为l)或2)的含义.
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