beam geometry

基本解釋

Study on fast and quantitative reconstruction algorithms for dynamic SPECT(4 dimension) under fan-beam geometry is conducted.
為實(shí)現(xiàn)4維動(dòng)態(tài)SPECT圖像的快速定量重建，提出了一種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過程實(shí)現(xiàn)高功率準(zhǔn)分子激光的高效脈沖壓縮。
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)能為目標(biāo)，用計(jì)算數(shù)學(xué)和數(shù)學(xué)規(guī)劃的方法，對(duì)游梁式抽油機(jī)主體機(jī)構(gòu)進(jìn)行了動(dòng)力分析及動(dòng)態(tài)優(yōu)化。