1) malalignment
失准直，不平行
2) collimation
[英][kɔli'meiʃən] [美][kɑlɪ'meʃən]
对准，校准;准直，平行校正
3) parallel-hole collimator
平行孔准直器
1.
Methods: By using a perfect parallel-hole collimator model and a collimator model considering the splayed angle effect,this paper proposed a novel method which considers the space response function(SRF) calculating the system matrix and uses an improved Ray Tracing algorithm to perform attenuation correction.
目的:改进平行孔准直器SPECT系统的成像方法,快速、精确地实现有序子集期望值最大化(OSEM)重建算法。
4) self-collimation parallel optic equipment
自准直平行光管
1.
The new angular distortion real-time measuring system is developed, which utilizes photoelectric self-collimation parallel optic equipment, replicate optic equipment and other equipment fixed on desk ,using computer control system to realizes real-time measuring vessel distortion.
研制一种新型的角变形实时测量系统, 其利用布设在甲板上的光电自准直平行光管和折转光管等相关设备, 通过计算机控制系统实现实时测量艇体两维动态变形量。
5) collimated light,collimatingoptice,parallel light
平行光，准直光
6) collimator tube
准直管，平行光管
补充资料：索勒准直器
分子式：
CAS号：
性质：X射线谱仪中将射线束准直用的部件。由若干平行金属片组成。它可将X射线管发射的射线束截取成近似平行的射线束，投射到分析晶体或探测器窗口上。
CAS号：
性质：X射线谱仪中将射线束准直用的部件。由若干平行金属片组成。它可将X射线管发射的射线束截取成近似平行的射线束，投射到分析晶体或探测器窗口上。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条