collimator

1. A method to design muti-mode fiber collimator by using ZEMAX software is introduced.
   利用ZEMAX软件进行多模光纤准直器的设计。
2. A kind of infrared collimator which is made up of off-axis parabolic mirror and reflecting mirror is described in this paper.
   文章阐述了一种由离轴抛物面反射镜和平面反射镜组成的红外平行光管，然后从两个方面对这种红外平行光管进行了详尽的分析。
3. Performance Evaluation of Helical Tomotherapy Multi-leaf Collimator
   HI-ART螺旋断层治疗机多叶准直器机械性能测试
4. The alternative approach is to switch one collimator for another midway through treatment, altering the field size.
   另一种可供选用的方法是在治疗过程中通过更换不同类型的准直器来改变射野大小。
5. With a given collimator the integrated reflections in the parallel and antiparallel positions will be equal. periodic motion in which the restoring force is proportional to the displacement.
   对于一个给定的准直器，在平行和逆平行位置时积分反射是一样的。恒定振幅的谐运动，其加速度与物体离开平行位置的位移成正比。
6. The Project Management on the Technical Innovations of Special Lens Series and Night-vision Collimator with the National Debts; Or I swivel the monitor to an advantageous angle and shoot with only the lens pointing at the subject.
   特种镜头系列及夜视瞄准镜国债技改项目管理或者，我会把显示器调整到一个有利的拍摄角度，镜头对准目标进行拍摄。
7. The simplest approach to radiosurgery is to use a single, fixed collimator to shape the treatment field.
   对于放射外科来说，塑造治疗射野最简单的方法是采用单一、固定的准直器。
8. Optical Design of the Reflective Eccentric-pupil Collimator with Large-aperture and Long Focal Length
   大口径、长焦距平行光管装调技术研究大口径长焦距反射式偏瞳平行光管光学设计
9. Application of Large-Aperture Collimator in Optical Axis Parallelism Measurement
   大口径平行光管在多光轴探测器光轴平行性测量中的应用
10. Application of Multi-leaf Collimator in Tumor Conformal Radiotherapy
    多叶准直器在肿瘤适形放疗中的应用
11. Optic Design of Collimator with Large Aperture and Long Focal Length
    大口径长焦距平行光管光学系统设计
12. Leaf shape design of multi-leaf collimator in radiotherapeutic machine for optimum conformation;
    讨论了三维适形放射治疗中的多叶组合光栅的叶片设计。
13. Compared with the conventional collimator, the diffracted resolution of Cassegrain structural collimator is analyzed in this paper.
    对常规结构式平行光管和卡塞格林结构式平行光管的衍射分辨率进行了对比分析。
14. It provided the reference to choosing collimator at designing small angle neutron scattering spectrometer.
    这为中子小角散射谱仪设计中准直器的选择提供了一个参考。
15. With a collimator and a23 polyhedron as measuring datum, a set of optical angular encoder measuring data, which containing the eccentricity error, was obtained.
    以平行光管和23面棱体为基准，得到存在偏心误差的一组光栅角编码器测量数据。
16. Their neutron lux and neutron angle-distributing of horizontal and vertical plane at the exits of collimator were compared at same input condition.
    比较了这三种不同准直器在输入条件相同的情况下，它们出口处的中子注量率、水平面和竖直面的中子角分布。
17. The efficiency of single-pinhole and multi-pinhole collimator is compared based on a imaging geometric model.
    在成像几何模型的基础上，通过分析和计算，研究了多针孔准直器与单针孔准直器对探测效率的影响。
18. Field optical collimator system
    场致光学准直仪系统
19. Describes the working principle of the multi-leaf collimator of Siemens linear accelerator and two cases of troubleshooting for the common malfunction.
    主要介绍了西门子直线加速器多叶光阑的工作原理和两例常见故障的分析与排除。
20. This paper designs an optical system and some lenses for the BD OPU, including collimator lens, beam shaping lens for laser beam shaping, and cylinder lens for signal detecting.
    本文设计了一套蓝光光学读取头的光路系统，包括用于光束处理的准直镜，整形棱镜，还有用于信号探测的柱面镜。
21. During the design process of Blu-ray disc optical pick-up, the optical system and the collimator lens design is especially important.
    在蓝光光盘光学头设计过程中，光学系统的设计，有举足轻重的作用，特别是准直镜的设计。
22. Measurement System Research on Multi-degree-of-freedom Based on Laser Collimator
    基于激光准直原理的多自由度测量系统的研究
23. It can gather the relevant parameters of azimuth, angle of fire and vector collimator when AA gun is running.
    实时采集了火炮转动瞄准的方位角、射角和向量式瞄准具的相应工作参数。
24. This problem is eradicated with the Iris Variable Aperture Collimator described by Gernot Echner and colleagues.
    GernotEchner及其同事所描述的鸢尾花型可变孔径准直器可彻底解决这个问题。
25. The commutation rule and the optimal collimation area are analyzed when Gauss light beam passes thin lens, and the design principles of the collimator are given.
    阐述高精度激光准直系统的总体构成及特点，着重分析高斯激光束经过薄透镜的变换规律、最佳准直区域以及激光准直光学系统的设计思路。
26. A full description of the variable aperture collimator, which makes it easier to switch field size during CyberKnife procedures, is published in Physics in Medicine& Biology.
    可变孔径准直器在赛博刀治疗规程中能更容易地切换射野大小，关于它的完整性能描述刊登在了《医学与生物学物理》杂志上。
27. Quality control for multileaf collimator leaf position accuracy using amorphous silicon electronic portal imaging devices
    利用非晶硅电子射野影像系统对多叶准直器叶片到位精度作质量控制
28. This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.
    利用平-凸透镜准直器作扩束耦合光学系统，采用低频斩光器实现光调制。
29. The collimator lighting remains also switched on.
    准直仪照明仍然保持开启。
30. Colourless optical glass test methods& Test method by collimator for optical homogeneity
    GB/T7962.2-1987无色光学玻璃测试方法光学均匀性平行光管测试方法

noun

1. optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens

2. a small telescope attached to a large telescope to use in setting the line of the larger one