查询词典 optical

This research and development effort bore its first noteworthy fruit in 1886 when Zeiss marketed the first "aphochromate" microscope objectives; this apochromatic microscope objective offered superior quality. Employing "fluorspar" elements this was the first use of crystal in an industrial optical application.

这些研究和发展的努力在1886年结出了第一个果实，蔡司公司于当年推出了"aphochromate"显微镜即复消色差透镜显微镜；此种显微镜提供了出众的品质，其中萤石成分的使用是玻璃晶体在工业光学中的首次应用。

As substitute for fluorite lens, a double-layer DOE is used in a long focal-length apochromatic objective lens. The modulation transfer function of this hybrid optical system is suggested for evaluating diffraction efficiency of the multilayer DOE. The results show the diffraction efficiency has a wide and symmetrical distribution in the whole waveband.

利用双层衍射光学元件替代萤石透镜校正混合光学系统的二级光谱，设计并制作了一套长焦距物镜，并利用系统调制传递函数评价了多层衍射光学元件衍射效率，测试结果表明衍射效率在整个设计波段内以较高的数值平均分布。

The design of optical system, software and hardware of this apparatus is introduced.

介绍了仪器光学系统及软件和硬件系统的设计工作。

The digital image generating method was simulated based on CCD and optical system parameter, results show that the method can generate a star map with higher apparent magnitude (magnitude＞10) and can satisfy the requirements of space object detection and surveillance for star map.

结果表明，该方法可生成较大星等(星等＞10)的星空背景图像，基本满足了现有空间目标检测与跟踪算法对星空背景数据的要求。标签空间监视星空背景星等数字图像成像灰度值 space surveillance star map star magnitude imaging gray value

Compared with the conventional optical coupler, the hybrid refractive-diffractive systems offer considerable reduction in the apparent size ,weight, and improve the imaging quality.

对设计结果的分析表明，折-衍混合耦接器不仅在光学性能方面优于传统的光学耦接器，而且在尺寸和重量上有非常显著的减少。

Lunar optical astronomical telescope consists of five parts: long focus telescope, detector, bracket of telescope, control system and appendant equipment.

月基光学天文望远镜由长焦距望远镜、探测器、望远镜支架、控制系统和附属设备五部分组成。

Our products are extensively applied in many industries, such as furniture, electronic and electric appliance, computer, light-fixture, stationery, jewelry, optical equipment, and remote control.

产品广泛适用于家具、电子电器、电脑、灯饰、玩具、文具、首饰、光学仪器、遥控器等。

Dispersion measurement of optical glass and discussion of the approximate calculation method .

光学玻璃的色散特性测量及近似计算方法的讨论。

Most photorealistic solutions use a form of raytracing and complex differential equations to approximate the optical behaviour and motion dynamics of a water body.

大多数解决方案使用光线跟踪和复杂的微分方程来近似水体的光学行为和运动动力学。

A general formula for computing the OTF of a defocused optical system is derived from the Kirchoff diffraction integration under an approximate condition which is weaker than the Fresnel condition.

本文从基尔霍夫衍射积分公式出发，在弱于菲涅耳条件的近似下，以高斯像面的像差量及系统的离焦量为参变量，导出了便于计算离焦光学系统的OTF的普遍算式。

It also analyzes the feature and development of semi-finish grinding and finish grinding by roller press.

同时进行了辊压机半终粉磨和终粉磨系统的特点和发展分析。

When I got there, water was dripping slowly from the ceiling and forming a pool on the floor.

当我到那里的时候，水是慢慢地从天花板滴而且形成在地板上的一个池。