2) Leaf unfolding
叶片展开
3) Fourier expansion
傅立叶展开
1.
The method approaches the unknown integrating factor with Fourier Expansion and deducts a kind of computer simulation formula which is similar to the Adams arithmetic.
该方法利用傅立叶展开来逼近未知的积分项 ,导出一种类似于阿达姆斯方法的计算机仿真计算公式。
2.
This paper presents fourier expansion formula of functions on [a.
从区间变换和变量变换2个方面给出了函数在[a,b]区间上的傅立叶展开式。
3.
The explicit representations for tensorial Fourier expansion of 3_D crystal orientation distribution functions (CODFs) are established.
目的是建立三维晶体定向分布函数 (CODF)的张量傅立叶展开的显式表示· 与三维ODF的傅立叶展开的第m项系数仅对应单个m阶对称无迹张量不同 ,三维CODF的傅立叶展开的第m项系数一般由 2m+1个m阶对称无迹张量组成· 随后还建立了在各种宏观和微观对称性下三维CODF的张量傅立叶展开的约束形式 ,表明大多数对称性下的约束形式中的m阶不可约张量数目明显少于 2m+1· 这些结果是通过对各种点群对称性约束下二维和三维不可约张量的约束形式的研究得到的
4) Fourier expansion
傅里叶展开
1.
This paper studied the Fourier expansion of transmission function for four kinds of simple linkages and pointed out the influence of size characteristic value of mechanism upon the Fourier coefficient,thus provided a powerful tool for the study of mechanism kinetics.
本文研究了四种简单连杆机构传动函数的傅里叶展开，指出了机构尺度特征值对傅里叶系数的影响，从而为机构动力学研究提供了有力工具。
5) Fourier grade
付立叶展开
1.
and the mathematical equation of stiffness undulative function has been proposed in all mesh region and written by Fourier grade.
在ＩＳＯ标准计算啮合刚度的基础上，用抛物线担合单齿副的啮合刚度，经过叠加求得直齿轮啮合刚度的数学表达式，并对刚度波动函数进行付立叶展开，使之在振动分析的应用中极为方便。
6) fourier series expansion
傅立叶级数展开
1.
By using the Fourier series expansion, approximate analytical propagation equations of laser beams through a paraxial optical ABCD system with different apertures are derived.
用傅立叶级数展开法研究光束通过有光阑限制的近轴ABCD光学系统的传输特性,导出了光阑透射率函数不同时的传输公式。
2.
By using the Fourier series expansion, an approximate analytical propagation equation of super-Gaussian beams passing through a paraxial ABCD optical system with a Gaussian aperture is derived, and illustrated with numerical examples.
用傅立叶级数展开法研究了超高斯光束通过受高斯光阑限制的近轴ABCD光学系统的传输特性 ,导出了高斯光阑情况下近似解析传输公式 ,并给出了数值例 。
补充资料：常绿阔叶落叶阔叶混交林
出现于亚热带和暖温带的过渡带或亚热带山地常绿阔叶林上界的森林植被类型。由常绿阔叶树和落叶阔叶树混合组成。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条