抛物面

The experiment of testing a paraboloidal mirror(Φ140、f/2) with designed CGH is depicted and its test result is 0.406λ PV (peak-to-valley), 0.062λ RMS (root-mean-square).

介绍了所设计加工的双计算全息图检测Φ140、f/2凹抛物面反射镜的实验，其检测结果为：PV =0.406λ，RMS =0.062λ。

In the first part, a novel paraboloidal lensed multimode fiber has been analyzed amply in the coupling between the high power single emitter broad area diode laser and multimode fiber, which has been verified in the experiment. In the second part, the coupling between the high power single emitter broad area diode laser and cylindrical lensed multimode fiber has been discussed detailedly.

主要通过计算机仿真抛物面型光纤微透镜和柱状楔形光纤微透镜与大功率宽发射域半导体激光器的多模光纤耦合效率，并在实验中进行验证，提出了提高大功率宽发射域半导体激光器与多模光纤耦合效率的新方法。

The algorithm is developed through VC++ language, and the form-finding analysis is performed for saddle-shape cable-net, a paraboloidal cable-net and double-layer tensegrity structures.

编程实现了算法，并对马鞍形索网旋转、抛物面索网和双层张拉整体结构进行了找形分析研究。

The third chapter of the thesis discusses a novel paraboloidal lensed multimode fiber used in the fiber coupling of the high power single emitter broad area diode laser, and the results of the computer aided simulation of the coupling have been described too, the results verified the theory of paraboloidal lensed multimode fiber.

第三章详细讨论了利用抛物面型微透镜多模光纤与大功率宽发射域半导体激光器的耦合效率；利用计算机辅助模拟了耦合过程，并通过实验验证了耦合系统的可行性。

In the active stressed lap polishing technology, a special computer controled pilishing machine and a 450mm diameter active stressed lap have beeen developed, and in the experiment a paraboloidal mirror with F ratio 2 and diameter 910mm has been successfully polished.

主动抛光盘磨制技术研制了应用主动抛光盘的计算机控制的磨镜机，研制了一块直径450mm的主动抛光盘，并试验磨制了一块φ910毫米的F/2抛物面镜。

Then the single layer spherical, cylindrical, elliptic paraboloidal reticulated shell and double layer cylindrical reticulated shell are calculated on the large deformation stability respectively, which show the application of the development system on the large deformation stability analysis of space bar structures.

用所开发的系统对单层球面网壳、圆柱面网壳和椭圆抛物面网壳以及双层柱面网壳进行了大变形稳定性计算，说明了所开发系统的可应用性。

For example, reflecting telescopes are still built with paraboloidal primary mirrors, which have interchangeable flat diagonal mirrors and hyperboloidal secondary mirrors, with a focuser installed both at the Newtonian focus and the Cassegrain focus.

例如，同样是抛物面反射望远镜，然而安装了可切换的45度反射镜与双曲面副镜（注：分别对应于典型的牛顿与卡塞系统），且在牛顿和卡塞焦点都装有成像设备。

A standard accessorial reflecting mirror was incorporated into the beam path of an interferometer to build up a autocollimating system for measuring the aspheric wavefront aberration of paraboloidal, ellipsoidal and hyperbolic mirrors with the method of aberrationless point.

为了检测抛物面、椭球面和双曲面镜，在干涉仪工作光路中加入一个标准辅助反射镜，组成自准直系统，采用干涉法中的无像差点法实现对非球面波像差的检测。

The Sky-Watcher paraboloidal mirror reflectors and all Dobsonian models feature a four-arm, secondary-mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss.

抛物面镜面反射和所有DOB机型采用了四臂中央副镜支撑（ 0.5毫米厚），以减少衍射峰值和减轻光损失。

OBMorph adopted a paraboloidal mirror to vary the incident angle, the wave-plates to modulate phase retardation, a reference optical path to stabilize the optical source, and a flow-injection system to drive bio-sample into the bio-chip. In order to having high precision in the ellipsometry subsystem of OB-Morph, it adopt a 0.4μm accuracy servomotor to control the stage that carried the right angle mirror and to control the variation of the incident angle.

本文中所建构之OBMorph检测系统中，椭偏仪技术是采用相位调制架构设计，开发出利用抛物面反射镜与球面反射镜组合而成之控制入射角改变的光机，加上波板以完成相位调制动作；并以一参考光路做为校准光源之机制，以及设置流道系统提供生物检测之用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。