beam geometry

基本解释

Study on fast and quantitative reconstruction algorithms for dynamic SPECT(4 dimension) under fan-beam geometry is conducted.
为实现4维动态SPECT图像的快速定量重建，提出了一种用于扇形投影方式下的解析重建算法。
In this paper, high efficient backward stimulated Raman compression is obtained pumped by high power KrF laser using focused beam geometry.
利用聚焦的后向拉曼过程实现高功率准分子激光的高效脉冲压缩。
Taking power saving as its aim, this paper makes kinetic analysis and dynamic optimization of the hasic geometry of beam pumping units by means of numerical mathematics and mathematical programming.
本文以节能为目标，用计算数学和数学规划的方法，对游梁式抽油机主体机构进行了动力分析及动态优化。