vector n. 1.【數(shù)學(xué)】向量,矢量,動(dòng)徑。 2.【航空】飛機(jī)航線;航向指示。 3.【天文學(xué)】幅,矢徑。 4.【生物學(xué)】帶菌者[體],傳病媒介。 vt. 【航空】(對(duì)飛行中的飛機(jī))指示航向。 vi. 【航空】電(磁)波導(dǎo)航。
diagram n. 圖,圖形,圖解;【數(shù)學(xué)】作圖。 a diagram of an engine 發(fā)動(dòng)機(jī)設(shè)計(jì)圖。 vt. (-gram(m)ed; -gram(m)ing) 用圖表示,圖解。
A common mistake and its harm in ct secondary connection of transformer differential protection were analyzed , the correct connection mode was explaned , and how to use the hexagon vector diagram of checking was introduced 摘要分析了一種常見的變壓器縱差保護(hù)電流互感器錯(cuò)誤接線及其危害,說明了正確接線方式,并介紹了如何通過作六角圖來檢查縱差保護(hù)二次接線的正誤。
Three kinds of results are obtained by simulation calculating the two models : the composed vector diagrams of the axial velocity ( v ) and the radial velocity ( vr ) at the different times in the symmetry section ; diagrams of curves of the velocity vector ( v ^ ) and ( vr ) at the different times in the different sections ; diagrams of the secondary flow vectors at the different times in the different sections 我們對(duì)兩種不同直徑的s型血管進(jìn)行了有限元模擬計(jì)算,得到三種結(jié)果:在對(duì)稱面內(nèi)不同時(shí)刻的軸向速度v _和徑向速度v _ r的合成矢量;在不同截面不同時(shí)刻的速度分量v _和v _ r的曲線圖;在不同截面不同時(shí)刻的二次流的矢量圖。
The paper presents several aspects in partition rectification and visualization of raster image . . adopt technology of visualization for scientific calculation , vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized . . delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin . . software of geometric rectification for large scales are realized and applied in project 本論文針對(duì)柵格影像的變形可視化及分塊糾正展開研究,取得了以下幾方面的研究成果:一、采用科學(xué)計(jì)算可視化技術(shù),繪制變形矢量圖、變形等值線圖和三維效果圖,實(shí)現(xiàn)了柵格影像變形特征的可視化;二、提出了在格網(wǎng)控制點(diǎn)( gcp )數(shù)據(jù)基礎(chǔ)上選擇性構(gòu)造顧及變形特征的delaunay三角網(wǎng),并基于構(gòu)造的三角網(wǎng)實(shí)現(xiàn)了分塊糾正的方法和數(shù)學(xué)模型;三、采用vc編制了影像幾何糾正軟件,實(shí)現(xiàn)大比例尺掃描地形圖的糾正,并在工程中得到應(yīng)用。