And then the properties of some random trigonometric series are discussed.
并进一步讨论了某些随机三角级数的性质。
Then, a trigonometric series is applied to describe the displacement mode satisfying the boundary conditions.
然后利用双三角级数构造满足层板分层区位移边界条件的位移模态。
This paper presents an analytical method of two dimensional problem of beam on elastic foundation by trigonometric series.
本文提出了弹性地基梁平面问题的三角级数解法，建立了一般方程并导出了有关的计算公式。
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。
The displacement components of a three dimensional functionally graded rectangular plate were expanded in the forms of double trigonometric series.
将功能梯度三维矩形板的位移变量按双三角级数展开，以弹性力学的平衡方程为基础，导出位移形式的平衡方程。
According to the boundary conditions of the curved slab, an analytical solution by trigonometric series and an approximate solution by method of finite strips have been given.
根据曲板的边界条件给出三角级数的解析解和有限条法的近似解。
The authors used the method of trigonometric series and polynomial to solve the problem for the bending of a cantilever plate in a symmetric triangular shape under uniform load.
作者以前应用三角级数加多项式的方法解决了悬臂对称三角形板在均布载荷作用下的弯曲问题。
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。
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。
Unfortunately, the solution still included a complicated set of sums of algebraic series involving tricky powers of trigonometric functions.
不幸的是，这一方法仍然包含了一系列复杂的代数计算，还涉及了复杂得三角函数。
Unfortunately, the solution still included a complicated set of sums of algebraic series involving tricky powers of trigonometric functions.
不幸的是，这一方法仍然包含了一系列复杂的代数计算，还涉及了复杂得三角函数。
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