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- 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。
- Simulation of internal force of elastic foundation beam using trigonometric series method 三角级数法模拟弹性地基梁内力
- trigonometric series method 三角级数法
- The diagram of torque is formulated by trigonometric series and used to determine the coefficients in above expansions. 扭矩图是由三角级数表示的,并用于决定上述本征函数展开式的待定系数。
- Then, a trigonometric series is applied to describe the displacement mode satisfying the boundary conditions. 最后,应用最小势能原理确定位移解。
- Conclusion In different spaces, partial sum of trigonometric series S(subscript n) (x) has different convergence. 结论在不同的度量空间，三角级数部分和(方程式略)有不同的收敛性态。
- The diagram of shearing force is formulated by trigonometric series and used to determine the coefficients in above expansions. 剪力图是由三角级数表示的,并用于决定上述本征函数展开式的待定系数。
- In this paper, by using the property of fourier series a compound series consisting of trigonometric series and power series is established. 摘要利用由三角级数和幂级数复合构成的函数项级数的有关性质，得到了一类变系数非齐次调和方程边值问题的级数解。
- Based on the neural network of orthogonal trigonometric series, an approach for harmonics measurement in power systems is presented in this paper. 摘要根据电力系统中非正弦周期电流的分解形式，提出了一种基于正交三角级数神经网络的谐波检测方法。
- By adapting Davenport spectrum for horizontally fluctuating wind, wind velocity time history at the opening was simulated by using trigonometric series. 采用Davenport水平脉动风速谱;利用三角级数对开孔处的来流风速时程进行模拟.
- In this paper,Bernoulli polynomial is expanded as even harmonic trigonometric series,and Euler polynomial is expanded as odd harmonic trigonometric series. 本文利用伯努利多项式展开为偶调和三角级数，欧拉多项式展开为奇调和三角级数。
- The displacement of rectangular thin plate is assumed as consisting of trigonometric series which includes awaiting coefficients and meets partly boundary conditions. 假定矩形薄板的挠度由包含待定系数、部分满足边界条件的重三角级数构成。
- 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。
- Computational results show that compactly supported wavelets can represent abrupt changes in control functions better than trigonometric series and considerably increase computational efficiency. 计算结果表明，小波函数与三角级数相比，可以更好地描述控制函数的急剧变化，并使计算效率显著提高。
- 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。
- Transcendence of Certain Trigonometric Series 某些三角级数的超越性
