查询词典 optical

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。

And Strehl ratio of 0.989 in our experiment indicates the approximate upper limit of the ability of LC SLM to correct a aberrated wavefront when it is used in adaptive optical system.

改变了传统的扭曲向列液晶器件难于进行纯相位调制和得到高准确度调制的缺点，达到了理想的效果。

Diffusion approximation theory is often used as basis of the experiments and methods in determining the optical properties of biological tissues.

漫射近似理论经常被用来作为测量生物组织光学特性参数实验和方法的理论基础，但是漫射近似理论只是一种对辐射传输理论的近似结果，在一定条件下有其特定的适用范围。

An evaluating method of fabrication error of a micro-optical element with arbitrary profile was introduced.

提出一种可用于评价任意面型微光学元件制作误差的方法。

This paper lays stress on the establishment of the optical system model of solar simulator and xenon short arc lamp model, especially the later.

文章着重介绍了太阳模拟器光学系统及氙灯的建模，尤其对短弧氙灯建模做了详细阐述，它是根据短弧氙灯的亮度分布图采用多个体光源嵌套的形式模拟氙灯，用角度切址文件和光谱分布数据定义短弧氙灯的角度分布和光谱分布。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。