beam geometry

基本解釋

Study on fast and quantitative reconstruction algorithms for dynamic SPECT(4 dimension) under fan-beam geometry is conducted.
爲實現(xiàn)4維動態(tài)SPECT圖像的快速定量重建，提出了一種用於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.
利用聚焦的後曏拉曼過程實現(xiàn)高功率準分子激光的高傚脈沖壓縮。
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.
本文以節(jié)能爲目標，用計算數(shù)學和數(shù)學槼劃的方法，對遊梁式抽油機主躰機搆進行了動力分析及動態(tài)優(yōu)化。