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- muhileaf collimator 多叶光阑
- The Collimator projects a reticle to infinity. 准直仪将十字线投射到无穷远。
- The collimator lighting remains also switched on. 准直仪照明仍然保持开启。
- This was to become known as the AGLT collimator. 这是AGLT瞄准仪的显著特征。
- Multileaf collimator(MLC) is the indispensable equipment of IMRT. 作为IMRT 的必备设备,电动多叶光栅(MLC)有着举足轻重的作用。
- The system has been successfully implemented in a homemade collimator. 该控制系统在国产设备上运行效果良好，精度完全达到设计要求。
- The collimator projects a reticle to infinity. The specimen produces an image of the reticle in its focal. 准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。
- Placed the LCLV on the focal plane of the collimator to display the real-time figure formed by the simulation software. 用液晶光阀作为成像平行光管的目标板,实时显示计算机控制的数字仿真目标图形;
- 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。
- With a multileaf collimator, conformal radiotherapy can be realized by shaping the beam to target contour. 多叶准直器使射线束的截面形状与病灶的轮廓相吻合,可以实现适形放射治疗。
- With a given collimator the integrated reflections in the parallel and antiparallel positions will be equal. 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。
- Objective To design leaf patterns for Multileaf Collimator(MLC) ro utine quality assurance(QA) with a 2D diode array. 目的 建立利用半导体探测器阵列检测多叶准直器（MLC）叶片定位误差的方法，用 于MLC的日常质量保证。
- This article discusses three attitudes of collimator,and gives aberration angle expressions. 本文讨论了平行光管角度偏差的三种姿态,给出了计算方法。
- A kind of off-axis parabolic collimator acted as infrared target source was introduced. 论述了一种用于为某可靠性测试设备提供红外模拟目标源的离轴抛物面准直光管系统的结构选择。
- With the light shining,the collimator forms a simulated target with a infinite distance. 在外光源的照射下,平行光管将液晶光阀显示的图形成像于无穷远,提供给被测光电跟踪测量设备。
- As the indispensable equipment of IMRT, multi leaf collimator(MLC) is very important. 作为IMRT的必备设备,电动多叶光栅(MLC)有着举足轻重的作用。
- Structure and working principle of multi leaf collimator for radiation therapy are introduced. 简述了医学辐射治疗用自动多叶光栅控制系统的设计与实现。
- Based on the spatial integral and approaching method, the slice collimator is proposed for SPECT imaging. 本文以空间积分原理为基础,以逐渐逼近法为图像重建的核心,探讨了可实现断层屏蔽的SPECT成像的途径。
- The leaf shape design of multi-leaf collimator used in 3-dimensional conformal radiation therapy was dealt with. 讨论了三维适形放射治疗中的多叶组合光栅的叶片设计。
- 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。
