准直仪

A discussion is presented on the error compensation of the reflecting planes of polygon s in accurate angular measurement using autocollimator and polygon s.

讨论了利用多面棱体和自准直仪进行精密角度检定时多面棱体工作面偏差的补偿问题，给出了工作面偏差补偿符号的判定方法。

Precise center location algorithm for circle target in CCD laser dual axis autocollimator［J］.

激光CCD二维自准直仪中圆目标中心精确定位算法［J］。

Through the comparison test, system stability and reiterationtest of the model instrument in contrast to photo-electricity autocollimator, and the airagitation test, the results indicate that the performances have met the scheduledtargets.

通过系统重复性实验、与光电自准直仪的比对实验及空气扰动实验，结果表明，样机的性能、指标基本达到了预定目标。

Anti-noise and precise circle target center location method of CCD laser autocollimator.

激光CCD自准直仪圆目标中心抗噪声精确定位方法。

A high-powered infrared autocollimator is adopted to ensure 2 of spatial resolution, a 15GHz oscilloscope is used to capture the laser pulse as narrow as 100ps, and an accurate laser power meter with large dynamic range is used to obtain accurate energy measurement of the laser pulse.

通过引入红外自准直仪使系统的角分辨率达到了2，借助示波器捕获窄达100ps的激光脉冲，高精度、大动态范围的激光能量计可精确测量出激光的能量。

The principle of portable laser collimator is introduced in this paper and its laser device,PSD signal processing circuits data acquisition are analysed in detail.

本文介绍了便携式激光准直仪的工作原理，分析了激光器、PSD信号调理电路及数据采集处理系统的设计。

The purpose of this study is to analyze the characteristics of radiochromic film dosimetry, including the film response versus time, dose linearity, energy dependence and angular dependence. In addition, we measure the output factors for the field defining collimators used in gamma knife by using spherical phantom. The measurement results were compared with the results of Monte Carlo simulation.

本研究将探讨辐射变色软片侦测辐射之特性，包括软片反应与时间关系、剂量线性度、能量依存度及角度依存度；并使用加马刀立体定位放射手术剂量验证用之球型假体，量测加马刀四种不同大小准直仪头盔之剂量分布及相对输出因子，并与蒙地卡罗模拟结果作一比较分析。

The results are helpful to design parabolic collimators.

这些结果有助于准直仪的设计。

The specimen produces an image of the collimator reticle in its

样品在它的焦平面上产生一个准直仪十字线的像。

The results indicate that the neutron yields increase with the decreasing filed size collimated by the secondary collimators.

研究发现：10 MV模式下的机头中子产量随次要准直仪的照野缩小而增加。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。