查询词典 anastigmat

Three-mirror anastigmat can not meet the requirement of reducing weight and compacting size in some circumstances.

常见的离轴三反系统已不能满足系统小型化、轻量化的要求。

A unobstructed four-mirror anastigmat system was proposed, which was modified based on three-mirror anastigmat and had compacter structure.

介绍了一种无中心遮拦的离轴四反射镜系统，由离轴三反系统改进而成，结构更加紧凑。

In order to complete a design of a frame of Off-axis Three-mirrors Anastigmat telescope in a short time, this paper gives the design cycle based on FEM, whose main method is topological optimization. This application is completed by HyperMesh/OptiStruct/Rodioss which are offered by Altair Engineering, Inc.

为了在短期内完成一套离轴三反系统支架以及附件的设计，本文基于有限元方法的设计流程，以拓扑优化为主，在Altair公司的HyperMesh/OptiStruct/Rodioss系列软件的平台上，完成了设计任务。

The design of four-mirror anastigmat was analyzed, then a system with effective focal length of 1 200 mm and field of view of 0.8°×0.8° was designed , total length and f-number are 300 mm and F/6,respectively.The system has advantages of long focal length, relative short physical size and excellent ability in restraining stray lights.

分析了离轴四反的设计步骤，设计了一个焦距为1 200 mm，视场为0.8°×0.8°，相对孔径为F/6的光学系统，系统总长只有300 mm，并达到很好的光学性能，具有长焦距、小尺寸、良好的杂散光抑制能力等特点。

Intermediate image of three-mirror anastigmat having two image surfaces was between secondary and tertiary mirror. In order to fold the optical path, four-mirror anastigmat was designed by adding the spherical reflective mirror at intermediate image.

带一次中间像面的离轴三反系统的中间像位于次镜和三镜之间，为了进一步折叠光路，在中间像面处加入球面反射场镜，从而成为离轴四反。

The OSIRIS telescope is a Three Mirror Anastigmat consisting of conic surfaces: a concave hyperbolic primary, a convex parabolic secondary and a concave spherical tertiary.

OSIRIS 望远镜是一个三反射系统，由一个凹双曲面主镜，一个凸抛物面次镜和一个凹球面三镜。次镜 M2在中间，主镜 M1和三镜 M3呈离轴配置。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。