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- The nonlinear behavior of the power system can be analyzed using modal series method. 模态级数法是一种新的用于反映非线性系统动态特性的方法。
- By using differentiator series method,the formula of partial integration is obtained. 用微分算子级数法得到分部积分公式,使一类积分计算变得十分简单。
- Using time series method to establish ARIMA (11,1,0) model for some wind speed directly measured from wind farms’ certain station in China. 文章运用时间序列法对我国某风电场测风站实测风速建立时序ARIMA(11,1,0)模型,并进行风速预测。
- This dissertation obtains some satisfying results by making use oftime series method to predict sales volume of short silk and long silkabout Dacron in the Polyester Complex. 对聚脂厂涤纶短丝和涤纶长丝的销售量,用时间序列方法进 行了预测,得到了比较满意的结果。
- The first one is chosen using time series method, and the second is obtained from measurements using the autocovariance function of the stationary stochastic process. 二是应用平稳随机过程的自协方差函数从双差观测值中提取的正则化矩阵。
- General formulas of the amplitude of intermodulation products as a function of intermodulation orders in two-carrier case are derived by applying Fourier series method. 在已知传递函数的情况下,采用傅立叶级数法,推导了二载波情况下互调产物的幅度及其随阶数变化的一般表达式。
- The next in order, it is well known that the formula of Taylor series method is simple and its stability is good, but its high level derivative is not easy to be gotten and so it is difficult in practice. 其次,众所周知Taylor级数法虽然公式简单且数值稳定性好,但是高阶导数的计算非常麻烦,难以实用。
- The extraction and backextraction optimum conditions on Te with N1923 were studied, and the composition of extractive was determined by saturated capacity method and equimolar series method. 研究了N1923萃碲及反萃碲的最佳条件,并运用饱和容量法及等摩尔系列法测定了萃合物的组成。
- The common multiple pole expanding method for retarded potential of electromagnetic field is corrected and replenished. Employing Taylor series method the exact result of the first three terms in multiple pole expansion is achieved. 对电磁场推迟势的常见多极展开方法进行了修正和补充,用泰勒级数法求出了多极展开前三项的精确结果
- By simulating the track irregularities with trigonometric series method,the train-bridge coupling vibration equations are established based on the combined modal of train formation and the bridge. 利用三角级数法模拟了轨道的不平顺,采用列车编组和桥梁组合的模型,建立了车桥耦合振动方程。
- In this paper, the nonlinear transverse deflection or buckling is analyzed for unsymmetrical composite laminates under loads in plane by means of the generalized Fourier series method. 本文利用广义富里叶级数法对非对称复合材料层板在面内载荷作用下的非线性横向变形或屈曲问题进行了分析。
- The deflection differential equation of string has been first solved by using infinite series method, and the formula of the buckling critical loads has been obtained with energy method. 首次用无穷级数法求解了其临界屈曲时的挠曲线微分方程,并同时用能量法给出了其临界屈曲载荷计算公式。
- Using dynamical system theory and the methods of model building to analyze the Spectrometric oil analysis data with time series method. 本文利用多种数学理论和方法对光谱分析数据进行处理,其中包括浓度和梯度界限值的制定,浓度和梯度的模糊综合评判。
- A new approach, the Generalized Fourier Series method (GFS), to the analysis of chatter in the milling cutter is proposed with consideration of the gyroscopic effect of the rotating spindle. 采用广义傅里叶级数法分析棒铣刀的颤振问题。
- Hegger R, Kantz H, Schreiber T, et al. Practical implementation of nonlinear time series methods: The TISEAN package. 温权,张勇传,程时杰.;混沌时间序列预测技术
- The MNDO series methods have been used to study seven symmetrical oxadiazole derivatives. 采用MNDO系列方法对7个恶二唑对称衍生物进行了理论研究。
- A series of provocations led up to the border war. 一系列的挑衅事件导致了边境战争的发生。
- He rapped out a series of curt commands. 他大声发出了一连串简短的命令。
- Recently, we have distin guished the true feicue raw material from false one with a series methods including observ ing, weighing in the hand, illuminating, carving, k... 近年来,我们在鉴测过程中,通过看、掂、照、刻、敲、触、烧、测试等一系列方法,来鉴别真假翡翠毛料,同时总结出假翡翠毛料的常见类型、做假的方法,并制定了一套鉴别程序。
- Her story was nothing but a series of fabrications. 她说的完全都是编造的。