查询词典 ellipsoidal function

In this paper, a "two-molecule" model of ellipsoidal drop was established.And then the ellipsoid situation was transformed into sphere situation by coordinate transformation.By utilizing bipolar coordinates and Maxwell stress tensor, the expression of electrostatic radial and tangential forces between two drops was deduced.

通过建立水滴的"二分子"椭球模型，利用坐标变换把椭球问题转换成圆球问题，并运用双球面坐标和Maxwell应力张量理论，推导出两椭球水滴间的径向和切向电场力的表达式。

For testing the concave ellipsoidal mirror of Three Mirror Cassegrain optical system, a slab compensated auto-collimation method is suggested.

针对TMC光学系统凹椭球面主镜的检验，本文提出了一种平板补偿的自准检验方法。

Finally, the results of aberration comparison indicated ellipsoidal dome can be used in coaxial infrared optical system, and conical surface has unique advantages in off-axis system.

最后根据像差的比较结果，得出：椭球面整流罩适用于共轴光学系统中，圆锥面整流罩则在离轴系统中更有独特的优势。

Now there is a hyperboloid, a concave ellipsoidal surface and a convex sphere surface need to be done.

现在是一个双曲面，一个凹椭球面，一个凸椭球面

In this paper, the principle and method of 3D visualization by geodesic coordinate system of ellipsoidal surface are proposed.A three-dimensional model for geographic information system visualization by ellipsoid-based digital terrain model is suggested for the first time.

虽然三维GIS在理论研究方面已经有了很大进展，但实现一个成熟完整的三维GIS系统还是相当困难的，目前在实际应用中与三维GIS相关的大多集中在三维可视化方面，如城市三维景观模型[1～ 3] 、矿区模型[4 ] 等。

Based on the theories of Differential Geometry and Geodesy,algorithms and formulas for direct and inverse solution of geodetic problem in the new form of geodetic coordinate system on the ellipsoidal surface are deduced in this paper.

基于地球椭球面上所构建的新型大地坐标系，推导出用新大地纵横坐标表述的大地主题解算公式，并研制了相应的正反解算法。

The DEM in the new geodetic coordinate system on the ellipsoidal surface is different from the DEM in the projection plane.

基于此种坐标系在椭球面上建立DEM不同于基于地图投影概念的DEM。

Based on simulation results, the field characteristics of some kinds of non-axisymmetric focusing surfaces, including cylindrical surface and ellipsoidal surface, are analyzed.

以声场模拟为基础，分析了包括柱面聚焦和扁椭球面聚焦等在内的几类非轴对称聚焦曲面声场特性。

The ellipsoidal coordinates are introduced to solve the unknown displacement and electric potential jumps in the integral equations under uniform loading.

引入椭球坐标系后，得到了均布载荷作用下未知位移间断和电势间断的解析解。

Based on the ellipsoidal coordinates, we obtain the spacial distribution of electric potentials of a composite of a coated ellipsoid embedded in an infinite host via solving the Laplace equations and matching the boundary conditions. Meanwhile, we also obtain the partially resonant condition of the coated ellipsoid.

通过引入椭球坐标系，利用拉普拉斯方程及其边界条件，求出了带壳椭球颗粒镶嵌在无限大线性基质中的空间电势分布，并进一步得出了带壳椭球颗粒的部分共振条件。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。