查询词典 optical centre

The Cassegrain optical system of infrared guidance is introduced.

1引言导引头是导弹制导系统中最为关键的部件，是导引头的"眼睛"。

Drawback of cassegrain antenna system based on space optical communication.

基于空间光通信卡塞格伦天线弊端的探讨。

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。

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 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。

Cassegrain and similar Cassegrain optical lenses are widely used in photoelectric equipment.

卡塞格伦及类卡塞格伦式光学镜头在光电装备中应用广泛。

For testing the concave ellipsoidal mirror of Three Mirror Cassegrain optical system, a slab compensated auto-collimation method is suggested.

针对TMC光学系统凹椭球面主镜的检验，本文提出了一种平板补偿的自准检验方法。

By detailed analysis of Cassegrain optical antenna in partial axis situation,the expression of the area of the receiving spot and the power decline curve are obtained for different deflection angles.

通过对偏轴下的卡塞格伦光学天线系统的分析，得到了不同偏转角所对应的接收光斑面积表达式和功率衰减曲线。

The results of the design show that DOE has a great effect on ameliorating the field of view of the Cassegrain optical system. The design scheme reduces the demand fur high technical levels and cost, and has a compact structure and better aberration char acter.

设计结果表明，衍射光学元件对于改善卡塞格林系统的视场具有重要的作用，此设计方案降低了对加工工艺的要求，大大降低了成本，结构紧凑且具有良好的消像差特性。

An automated optical inspection machine can be put anywhere on the line to catch defects, and systems that continuously monitor the thermal profile in solder reflow ovens are becoming popular.

自动光学检测机可安装在生产线的任意位置，以便捕捉缺陷，而能够连续监控再流焊炉的热曲线的设备也越来越流行。

Finally, the Knight strung a line between two of the monoliths and tied the horses up there.

最后，骑士们在两颗巨石之间拉了一条绳子，将他们的座骑绑在上面。

T7zN/hyS0 The island lies south by east from here.

那个岛位于此地的正南偏东方向。