英语释义

• 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; light rays leave the slit as a parallel beam

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

片语

laser collimator激光準直仪

collimator trolley準直仪车

neutron collimator中子準直仪

focal collimator测焦距準直仪

secondary collimator準直仪

collimator pen準直仪

mercury collimator水银视準管

primary collimator初级準直器

reflecting collimator反射式準直仪

英汉例句

• 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，研究了多针孔準直器与单针孔準直器对探测效率的影响。

• to monitor the imaging quality of the large-scale collimator, a new method for monitoring the large-scale collimator in real time is proposed, and feasibility of the method is verified.

  针对目前大型平行光管成像质量监测的现状，本文提出了一种对平行光管进行实时监测的新方法，验证了这种监测方法的可行性。

• the portable laser collimator and the straightness measuring and evaluating software are developed.

  开发了便携式激光準直仪及直线度误差测量、评定软件。

• 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準直镜，整形棱镜，还有用于信号探测的柱面镜。

• the collimator projects a reticle to infinity. the specimen produces an image of the reticle in its focal.

  準直仪将十字线投影到无穷远。被测样品在焦平面上产生一个十字线的像。

• with a collimator and a 23 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面棱体为基準，得到存在偏心误差的一组光栅角编码器测量数据。

• 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準直器来改变射野大小。

• the collimator lighting remains also switched on.

  準直仪照明仍然保持开启。

• in the high-energy flash radiography of fto object, the performance of a general collimator and two graded collimators was compared by experiments.

  在针对fto样品的高能闪光照相实验中，比较了一般準直体与陡坡準直体对fto样品的成像性能。

• then using another convex lens and a micrometer eyepiece the altered parallel rays is focused, and the imaging size of line pair of collimator imaged on the another convex lens is measured.

  用一辅助凸透镜与一测微目镜进行平行光束的会聚，测出準直管玻罗板线对在辅助凸透镜焦平面上所成像的大小；

• 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、固定的準直器。

• the increase to total collimator thickness also halves secondary collimator transmission.

  总準直器厚度的增加也减半了次级準直器的射线传输。

• we measured the otf of a photographic lens by digital fourier transform, using a ccd to scan the slit image in the focal plane of the collimator in front of the measured lens.

  我们利用ccd扫描位于被测照相物镜前面的平行光管焦平面上的狭缝像，采样数据通过a/d变换后输入计算机，把这些数据进行快速傅立叶变换即可求出被测照相物镜的otf 值；

• training simulator system for photoelectric collimator is designed for the manual operation of photoelectric collimator.

  光电瞄具模拟训练器是为解决光电瞄具的使用操作而设计的。

• the identical pedestal north-finding scheme that the nongyroscopic north-finder is pegged on the pedestal of collimator is introduced about its frame and working principle.

  本文介绍一种将非陀螺寻北仪固定在準直瞄準仪基座上的寻北瞄準同一基座式方案的结构及其工作原理。

• firstly, a telescope system is made up with a concave lens and a long-focus convex lens, by which the angle of the parallel beam from the collimator can be change.

  该方法借助一个焦距较长的凸透镜与被测凹透镜组成无焦系统，可以使準直管出射光束的张角发生改变；

• the theory and testing methods for single-mode agonic fiber optic collimator are introduced and some fabrication processes are discussed and compared.

  介绍了单模无偏準直器的原理与测试方法，并对一些制作工艺进行了讨论和比较。

• focusing collimators were used instead of single collimator to increase the scattering photon flux received by detector.

  提出利用聚焦準直器代替单个準直器以达到增大探测器接收到的散射光子通量的目的。

• 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，特别是準直镜的设计。

• the laser collimator not only has the advantages of existing ones, but also can be used to measure wavefront error with high accuracy interferometer.

  此激光平行光管具有以前平行光管的优点，且可以与数字相移干涉仪对接，直接进行波前误差的高精度测量。

• there are also some new developments in das, collimator and reconstruction algorithm.

  das电路、準直器和重建算法也有新的发展。

• the instrument uses an adjustable diaphragm blackbody radiator and a reflecting collimator to simulate objects with various size, range and radiation characters.

  该仪器使用可变光栏黑体和反射式平行光管模拟不同大小、距离的目标，并创新性地采用激光测量的方法测量微小的绕动角。

• using the collimator the theory and test results of the transfer of the measurement scale of solar radiation is reported in this paper.

  本文报道了采用準直光阑传递太阳辐射测量标尺的理论及实验结果。