查询词典 Cassegrain

Linking to the request of the research subject, it designs and tests the cassegrain optical antennas.

结合安装工艺等因素，提出了系统相应可采用的抑制或缓解措施。

Thus it provides a theoretical basis for design and adjustment of refector antenna, particularly the modified Cassegrain antenna.

一、引言在反射面天线系统的设计中，相位中心的位置是一很重要的参数，因为它决定了馈源在反射面夭线系统中的相对位置，优选馈源的相位中心是提高夭线增益，控制旁瓣和交叉极化电平的有效手段。

But with either telescope it was very impressive, particularly with the Cassegrain.

同样用天文望远镜，许多明亮的小星星和有明确形状的朦胧的"雾"都能清楚地的看到，特别是用卡赛格林式望远镜。

To ameliorate the field of view Cassegrain optical system, a diffractive optical element is successfully introduced to the system and the design scheme is provided in this paper.

为了改善卡塞格林光学系统的视场，将衍射透镜成功地引入大视场卡塞格林光学系统的设计中，并给出了设计方案。

Laser reflection characteristics of cat eye effect of cassegrain lens.

探测激光入射角对猫眼效应反射特性的影响。

A Cassegrain optical antenna with parabolic structure is designed.

设计了具有抛物面结构的卡塞格伦光学天线。

Manufacture and test of Cassegrain systems primary mirror with large relative diameter and lightweight.

大相对口径轻量化卡塞格林系统主镜的加工检验。

Manufacture and Test of Cassegrain System′s Primary Mirror with Large Relative Diameter and Lightweight.

大相对口径轻量化卡塞格林系统主镜的加工检验。

Manufacture of big aperture lightweight paraboloidal mirror is one of the key techniques for the research of the Cassegrain optical system.

研制某卡塞格林光学系统的关键技术之一是通光口径超过1000mm的轻质抛物面主反射镜。该反射镜相对口径为1/2，减重率为65%，是目前国内最大口径的轻质非球面反射镜。

Design and lightweight research of Cassegrain drawtube in space remote instrument.

空间遥感仪器卡塞格伦镜筒的设计及轻量化研究

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。