查询词典 Fresnel

A refracting panel consisting of one or more, usually cylindrical, fresnel lenses.

由一个或多个圆柱形菲涅尔透镜组成的折射系统。

And also, we have done some researches on the Fresnel number of polygon slits, high efficient retroreflective film, the superluminal and/or subluminal velocities of beams in vacuum, the zero-field truncation technology, fractional Fourier transforms and so on.

同时，开展了多边形光阑菲涅耳数、高效逆向反光膜、真空中光束的超光速与亚光速现象、零场截取技术、分数付里叶变换等相关领域作了研究。

A novel multi beam adaptive antenna is constructed by means of Fresnel zone phasecorrecting focusing configuration and feeding array.

利用菲涅尔区相位修正聚焦结构和馈源阵列构成一种新型的多波束自适应天线。

Based on the defined effective Fresnel number of focused beams,the focusing of partially coherent beams through cylindrical aberrated lens was studied,and the simple formula of relative focal shift was derived.

华侨大学电子科学与技术系光学与光子学研究所，福建泉州 362021 华侨大学电子科学与技术系光学与光子学研究所，福建泉州 362021

In this paper a theoretical discussion of the optical design and the thermal performance of receiver pipe of the hibrid type concentrating collector was given. This collector consists of Fresnel reflector and heliostats.

本文着重从理论上讨论由菲涅耳反射镜和平面镜组成的混合式聚光集热器系统的光学设计及其集热管的热力学计算。

Underneath the path of Fresnel lens focuses, obtains a similar V curve, uses this curve to make the array-like design, causes the small DC deceleration motor to make the most effective application.

利用透镜下方聚焦的轨迹，得到一类似V型的曲线，利用此曲线做成阵列式的设计，使小型直流减速马达做最有效率的应用。

The Fermat"s principle, Fresnel"s coefficients, Goos-Hanchen effect and Brewster angle at an interface between a PIM and a NIM were studied respectively. When the NIMs are introduced, the two traditional descriptions of Fermats principle are not consistent with each other and the least time principle do not hold true anymore.

随着负折射率介质的引入通过对费马原理的两种传统描述形式的研究可以发现，正—负折射率介质平界面处的最短时间原理已不成立，并进一步验证了使用光程表达的费马原理才是严格的正确的理论。

The system based on Fresnel zone plate scanning holography is simple and compact.

依据该技术原理设计了实验系统，系统结构简单紧凑，具有三维物体层析成像功能。

The Fresnel zone plate scanning holography is applied in the imaging through highly scattering media .

将菲涅耳波带板扫描全息术用于高散射介质成像技术中。

The diffracted light intensity on axis of a Spatial Light Modulator with Multi-level Phase Fresnel Zone Plate is studied by diffraction optical method.

用衍射光学方法研究了加有多级相位菲涅尔波带片的空间光调制器的轴上衍射光强。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。