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• Basic equation of photoelastic stress analysis by Chen (1962) is adopted; and a cubic spline function suitable for processing of photoelastic data is derived.

文中采用陈至达(1962年)光测应力分析基本方程导出适合于光弹性数据处理三次样条函数

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• It is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two-dementional cubic convolution interpolation.

在二维三卷积插值基础利用三次样条插值法的插值函数具有三阶连续导数的性质而得来的。

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• A reconstruction algorithm by cubic spline function interpolation, which is used to recover a signal from its dyadic wavelet transform extrema is proposed in this paper.

本文提出了样条插值重构算法实现由信号二进小波变换极值点重构原始信号

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• The meshing stiffness is calculated by employing 3-dimensional FEM and its function is formed by cubic spline interpolation and approximation of the discrete mesh points in a mesh period.

采用三维有限元法计算了斜齿轮副啮合刚度三次样条插值拟合得到时变啮合刚度函数

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• The meshing stiffness is calculated by employing 3-dimensional FEM and its function is formed by cubic spline interpolation and approximation of the discrete mesh points in a mesh period.

采用三维有限元法计算了斜齿轮副啮合刚度三次样条插值拟合得到时变啮合刚度函数

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