The off-axis parabolic mirror is developed for the Singaporean synchrotron radiation light source development in this paper,in cluding Parabolic mirror fabrication and testing.
大离轴抛物面镜的加工与检测是当今光学加工的热门课题。
The parabolic mirror is very .
从几何光学和物理光学出发 ,对抛物面镜以离轴 90°的方式应用于激光束的聚焦光路时 ,光轴的角度失准和入射光发散角对聚焦光斑造成的影响进行了分析 。
By means of cubic triangular Wang-Ball surface, elliptic paraboloid and hyperbolic paraboloid can be represented exactly and one example is given.
本文给出了三次三角 Wang-Ball基及三次三角 Wang-Ball曲面的定义 ,简单讨论了它们的性质 ,运用三次三角 Wang-Ball曲面精确表示了椭圆抛物面和双曲抛物面 ,并给出了实
In this paper, some new conclusions about the properties of elliptic paraboloid are introduced.
推出椭圆抛物面的几条性质,得到一些新的结果。
By this formula,we easily find the corcular crosssections of ellipsoid,hyperboloid and elliptic paraboloid that was found difficultly by revolution and translation before.
利用二次曲面的圆截线平面公式,我们易于求出椭圆面、双曲面、椭圆抛物面的圆截线平面,而这些圆截线平面以前利用旋转和平移求起来很困难。
The primary mirror. This is the paraboloidal mirror at the bottom of the tube. It has an aluminized surface that reflects starlight to form an image at the focal plane.
主镜。是位于镜筒底部的一块抛物面镜。表面镀铝膜，将星光反射到焦平面上成像。
a parabolic reflector for microwave or radio frequency radiation that is used as a directional antenna.
作为定向天线的接受微波或无线电频率的抛物面镜。
the parabolic reflector of a searchlight
探照灯的抛物面反射镜
fully steerable parabolic radio telescope
可跟踪抛物面射电望远镜
Study on Numerical Simulation of Headlight Reflector with Non-axisymmetrical Parabolic Shape
非轴对称抛物面反射镜拉深成形数值模拟研究
Optical Properties Analysis of Compound Parabolic Refractive X-ray Lenses
抛物面型X射线组合折射透镜光学性能分析
a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror.
具有抛物面主镜和双曲面次镜的一种折射式望远镜；光线被集中到主镜中心的孔径。
Precision mirror polishing. Ultra-flat surface polishing.
精密镜面抛光,超平平面抛光.
It used to apply only to reflecting telescopes in which the primary mirror was a paraboloid, and thus capable of forming an image all by itself.
它过去只用在抛物面反射望远镜上，这种镜子只用主反射镜就能成像。
Of or having the form of a parabola or paraboloid.
抛物线或抛物面的或有其形状的
Experimental Investigation of Stressed Mirror Polishing on Paraboloid
应力抛光技术加工抛物面的实验研究
horn-fed transmitting paraboloid
喇叭馈电抛物面天线
compound parabolic collector
复合抛物面型集热器
Horn parabolic reflector antenna
喇叭抛物反射面天线
Study on Parabolic Curve Section Made by Rollforming Process;
抛物线型面Rollforming成型研究
Food cooks quickly in parabolic ovens. However, these cookers are hard to make.
抛物面炉烤食品快。但是,抛物面炉很难做。
Seat face Stellited, ground and lapped to a mirror finish.
钨铬钴合金面阀座，经过研磨抛光达到镜面抛光度。
and said that the debris was actually the remains of a weather balloon with a metal radar dish attached.
并表示这些碎片实际上是一个带有雷达抛物面天线反射镜的气球的残
