1) ellipsoid
[英][i'lipsɔid] [美][ɪ'lɪpsɔɪd]
椭球面
1.
Projection of spherical grid on ellipsoid and analysis of its deformation;
球面离散网格在椭球面上的扩展及变形分析
2.
A study of the spherical aberration of refracted image on the rotational ellipsoid;
旋转椭球面折射成像的球差研究
3.
Prosthetic modeling for femoral head based on ellipsoid fitting
基于椭球面拟合的股骨头修复建模(英文)
2) ellipsoidal surface
椭球面
1.
This digital terrain model (DTM) based on the ellipsoidal surface is essentially different from DTM based on projected plane because the Delaunay triangulation net is built based on geodesic coordinate system on regional ellipsoidal surface.
在椭球面上构建Delaunay三角网,与在平面上构网有不完全相同的定义与算法。
2.
In order to overcome the crack,imprecision of geographic analysis and data redundancy caused by the traditional digital elevation model in modeling the large scale terrain, this paper presents a method of global digital elevation modeling based on hierarchical subdivision of the quaternary triangular mesh on ellipsoidal surface.
针对传统的DEM在模拟表达大面积地形时具有存在裂缝、地理分析不精确、数据冗余等问题,在椭球面四元三角格网QTM层次剖分的基础上,提出了一种基于椭球面三角格网层次剖分的数字高程建模方法,该方法避免了上述缺陷。
3) ellipsoid surface
椭球面
1.
Discussion on NC Turing method of the ellipsoid surface;
椭球面数控车削方法的探讨
2.
And it pur forward a new type of computing on the ellipsoid surface or deviating from the ellipsoid surface.
本文建立了椭球面上或偏离椭球面的经纬线长度、曲率半径、龙骨弯曲方向等几何参数的计算模型和方法。
4) the ellipsoidal surface
椭球面
1.
In this projection mode, the ellipsoidal surface can be approximated mathematically by a series of continuous secant facets which are all isosceles trapezoids.
本文突破了沿袭已久的按大区域作为地图投影的禁锢，探讨了以经纬格网为单元用多个连续吻合的小平面切割并逼近椭球面的投影方式。
5) concave ellipsoidal surface
凹椭球面
1.
The reflect focusing theory that spherical continuous wave radiated by point light source is reflected from concave ellipsoidal surface is enucleated, and the axial and lateral optical energy distributions of the reflecting optical wave field are shown up.
基于光的波动理论 ,对紫外光快速成型技术中的聚焦光能量场进行了深入的理论分析 ,阐明了点光源所辐射的连续球面波在凹椭球面上的反射聚焦理论 ,及其反射光波场轴向和侧向的能量分布形式 。
2.
The axial and paraxial distribution of the reflecto-focused pulse waveform by a concave ellipsoidal surface for the burst of an exponential-cosine pulse at the first focus have been studied in detail.
求出脉冲幅度的空间分布，符合实际观测，说明了声音能量的空间分布特征与四椭球面聚焦器参数和波形参数之间的关系，有利于改善液电式凹椭球面聚焦器的设计。
3.
For the purpose of analyzing the focused sound field in the electrohydraulic Extracorporeal Shock Wave Lithotripter, a theoretical formula of the reflecto-focused sound field caused by the scattering of spherical continuous wave from the concave ellipsoidal surface has been initially founded.
为分析液电式粉碎肾结石机中的聚焦声场，首次给出单频球面波在凹椭球面上反射聚焦的线性理论关系，求出各频率反射波场的轴向和侧向分布。
6) hemi-ellipsoidal mirror
半椭球面
补充资料：椭球面
椭球面
pnsdgp
椭球面[困归翻;，月刀一neo助1(实的) 一个闭中心二次曲面(s侧阮eof此涨羌朋dor-der)(见图).椭球面的典范方程具有下列形式: 矛.护矛 二共尸十夕弓r+二一~=1. 矿’护’矛正数a，b，c，以及相应长度的线段称为椭球面的半轴(~·a档ofan elli卿诅).椭球面被任何平面所截，其’口均讼:如果一个椭球的两个半轴相等，则这个椭球称为回转椭球面(e伍乒蜘记ofn线叼lu1如n)，回转椭球面被与两相等半轴的平面平行的平面所截，其截口为圆.当a二b二c时，椭球成为球.椭球面的对称中心称为椭球面的中心(以泊。℃ofanelli林泊id). 具有典则方程 尹护.矛 二卜+名汾，十二矛=一l 了’护’矛的二次曲面，称为虚椭球面(川，g朋刁初勿印记). A.B.M.aH帕撰【补注】虚椭球面没有实点. 椭球面的另一些特征如下所述: 一个椭球面是一个球面(sP址辉)的仿射象;椭球面是不具有无穷远实点的非退化二次曲面(q哪dric). 关于椭球面的系统论述，见阵11，第巧章，以及〔AZ].更深人的研究，见护已」.
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参考词条