tangent plane造句
例句與造句
- Geoid tangent plane
大地體切面 - The results are as follows : the normal of digitized points is computed by using ‘ micro - tangent plane ’
取得的研究成果如下:提出了一種基于法向距離的法矢全局協(xié)調(diào)算法。 - This paper analyses the tangent equation of space curve and the derivation process of the curved tangent plane equation in the higher - mathematics teaching - materials , and shows another method to extract the tangent equation of space curve
摘要分析高等數(shù)學(xué)教材中空間曲線的切線方程和曲面的切平面方程的推導(dǎo)過程，給出求空間曲線的切線方程的另一種方法。 - With the algorithm , fairing and uniform meshes are obtained by moving each vertex in normal direction and tangent plane simultaneously . an algorithm of feature enhancing and mesh smoothing is studied . the algorithm is based on iterative use of diffusion of normals and vertices
融入平均曲率光順?biāo)枷耄瑢?duì)拉普拉斯算子進(jìn)行改進(jìn)，通過在法矢方向和切平面上同時(shí)對(duì)網(wǎng)格頂點(diǎn)進(jìn)行移動(dòng)調(diào)整，較好地達(dá)到模型外形光順、三角片形狀比較均勻的要求。 - The following is main research work : 1 . geometry characters ( such as tangent plane and normal plane etc . ) and differential coefficient characters are theoretically analyzed in detail , then the intersection differential coefficient system model for trace is constructed
在理論上，系統(tǒng)地分析了交線的幾何特征（如切平面和法平面等）和微分特征（如曲面的一階基本齊式等） ，建立了交線的微分系統(tǒng)跟蹤模型，從而為今后進(jìn)一步研究求交問題提供了一個(gè)可行的途徑。 - It's difficult to find tangent plane in a sentence. 用tangent plane造句挺難的
- The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated . due to the non - ideal behavior , nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system . concerning the liquid in the decanter , the stability is checked by tangent plane stability analysis , and the initialization of phase splitting calculation is produced . a good estimate of the phase fration is gotten by successive substitution with newton ' s method , and every component of two phase is gotten by mass equilibrium equation . finally , the solution of this equation is produced with successive substitution calcultion . the naphtali - sandholm method is used to simulation of azeotropic distillation . by virtue of this combined calculation method , the simulation is begun with operational data as basical data . the results of simulation accord with the operating data , which proved that the combined calculation method is credible
該體系具有高度非理想性，氣液相平衡模型采用nrtl - hoc和uniquac - hoc模型，采用切平面判據(jù)法對(duì)進(jìn)入分層器中的液相進(jìn)行液相穩(wěn)定性測(cè)試，提供液液相分離計(jì)算的初值，再結(jié)合牛頓拉夫森迭代法運(yùn)算求得相分割系數(shù)，根據(jù)物料衡算求出各相組成，循環(huán)迭代可求得分層各組分?jǐn)?shù)據(jù)，共沸精餾模擬計(jì)算采用那夫塔列-山德荷姆全變量迭代算法。 - We construct the algorithm of three - dimensions model surface reconstruction in three stages : first , we use oct - tree to describe scatter data points in space , second find adjacent points and tangent plane and use the triangulation method to realize 3d surface reconstruction in the end , in research on algorithm of three dimensions model surface reconstruction based on scatter data points
在“基于散亂數(shù)據(jù)三維表面算法的研究”這一章中，首先通過八叉樹的數(shù)據(jù)結(jié)構(gòu)的算法對(duì)三維散亂數(shù)據(jù)進(jìn)行處理，然后再確定鄰點(diǎn)和微切平面，最后用三角網(wǎng)格化的方法完成三維物體表面重構(gòu)。 - Since the cause of caustics phenomena is that the tangent plane of lagrange submanifold in caustic fields is perpendicular to the original physical space , we solve the high frequency asymptotic problem in a new mixed space by changing the projecting direction , then we get the high frequency asymptotic solutions of wave equations efficiently near and on the caustics
由于出現(xiàn)焦散現(xiàn)象的原因在于lagrange子流形在該處的切平面與物理空間垂直，通過轉(zhuǎn)換適當(dāng)?shù)耐队胺较?，然后將這個(gè)投影方向上得到的高頻近似解再變換回到原來的物理空間中，得到了在焦散附近適用的高頻近似解。 - After the orderly reduction methods of massive scattered data being studied , this paper proposes a partial tangent plane slicing method and a virtual second - scan line method after giving a new k - nearest algorithm to re - organize the massive data . the new proposed methods of data reduction and grey theory based unusual noisy data process can be used to generate the scan line type data and it can be directly used to reconstruct curves and surfaces . the research lays a good foundation for reconstructing the cad model in a point - line - surface manner
4 .深入研究了海量散亂數(shù)據(jù)的有序簡化技術(shù),在提出建立海量數(shù)據(jù)點(diǎn)鄰接關(guān)系k -鄰近新的算法基礎(chǔ)上,提出了局部切平面切片法和虛擬二次掃描線法,實(shí)現(xiàn)了海量數(shù)據(jù)的有序重組,通過基于灰理論的數(shù)據(jù)簡化和異常點(diǎn)處理新方法,生成可用于直接重構(gòu)曲線曲面的掃描線類型數(shù)據(jù),為以點(diǎn)?線?面方式重構(gòu)cad模型打下了良好的基礎(chǔ)。