查询词典 Fresnel diffraction

They are provided with red coloured glass and Fresnel lens.

产品带有红色透明玻璃和镜头。

The effects of incident wavelength on diffractive efficiency of Fresnel lens are analyzed.

针对宽带折衍混合光学系统，分析不同入射光波波长对菲涅耳透镜衍射效率的影响。

This article discussed the diamond cutting machining technology, and some Exploration, analysis and discussion are made on machining parameters used in diamond turning process of Fresnel lens and its impact on the element performance.

本文重点阐述了金刚石车削加工技术，并对菲涅尔透镜金刚石车削加工技术中的有关工艺参数及其对工作性能的影响进行了探索、分析和讨论。

Use of the functions of the Pro/ NC machining ,the article discussed the Fresnel lens NC machine process. And automatically generate the processing procedures.

利用Pro／NC的数控加工功能，探讨了新型菲涅尔透镜的数控加工工艺，并自动生成了加工程序。

. As a result, there is obtained a square or rectangular sheet 6 of Fresnel lens having the prescribed size as shown in FIG.

第8条第。作为一个结果，是获得了正方形或长方形板材6菲涅耳透镜具有明尺寸显示图。

The thin film deposition is used to make 16 step Fresnel lens. It can implement system′s lightweight, miniaturization and increase free degree of the design.

使用薄膜沉积法制作16阶菲涅耳透镜，用它代替常规的光学透镜可实现系统的轻量化、小型化，并增加系统设计的自由度。

The plane of emergence on the second major surface of the first sheet member includes the Fresnel lens formed of a radiation curable material.

第一板部件的第二主表面的出射面包括由辐射可固化材料形成的菲涅耳透镜。

Fresnel lens is a lens branch, as it compared with other lens is small in size, light weight, the advantages of compact structure. At the same time, it will have no worse than other lens in Condenser and imaging performance. Therefore, it is widely used in various fields such as defense, aviation, space, industrial production and civilian.

菲涅尔透镜是透镜的一个分支，由于它同其他的透镜相比，具有体积小，重量轻，结构紧凑的优点，同时它拥有不逊于其它透镜的良好聚光性和成像性能，因此在国防、航空、空间、工业生产和民用等各个领域获得广泛的应用。

Step Fresnel lens of high diffractive efficiency is fabricated by ion beam etching.

使用离子束刻蚀法成功制作高衍射效率16阶菲涅耳透镜。

Once per year at the Pigeon Point Lighthouse they shut down the weak insipid modern light and switch over the the 5 kerosene lamps and fresnel lens of the original, as it was 135 years ago.

&每年一次&的鸽子点灯塔，他们关闭了弱平淡的现代光，而改用了5煤油灯和菲涅尔透镜原，因为这是135年前。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了