虛平面 的英文怎麼說

中文拼音 [xūpíngmiàn]
虛平面 英文
imaginary plane
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  1. In addition, a reconstruction technique of the planar and curved section cut by virtual scalpel is also implemented

    此外，還實現了一種虛擬手術刀剖切面的平面重建和曲面重建技術。
  2. The symmetric values about the imaginary axis of zero - poles which the unstable process lies in the open and closed right - half plane are defined as their mirror - injection

    非穩定過程在開右半平面的零極點關于虛軸的對稱值稱為該零極點的鏡像映射。
  3. The image here is spoken of as virtual just as is the familiar image generated by a plane mirror.

    這時的像叫做虛像，正如由平面鏡所生成的熟知的像一樣。
  4. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理，將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法，運用圓向量函數建立代換機構的位移、速度、加速度矢量方程式，求取虛擬連桿桿長和方向，由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解，並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。
  5. In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated

    （ 2 ）擴展了2d射影變換矩陣的求解方法，將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個射影平面的對應關系；總結了平面上基於點、直線元素可求解的多種3d不變量；提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛元素」的方法，結合「實元素」和「虛元素」可以提取更多的空間3d不變量。
  6. With romantic imagination and using various techniques, the imagines and various activities of all the different monsters and gods are vividly reflected in the dianzi

    皮影藝人充分發揮了浪漫主義藝術手法，把從來不存在的神怪，通過誇張和豐富的想象力，結合平面手法? ?或虛實相輔，或誇張象徵，或修飾移用，活靈活現的呈現在亮子上。
  7. The article studies how to create 3 - dimensional model of crossroads in virtual environment and discusses mathematics model of horizontal alignment, the paper explains crossroads data visualization and defines data structures of visual data

    本文從虛擬現實建模入手，研究虛擬環境下的立交橋三維建模方法，探討基於約束的平面線形的數學模型。
  8. 5 a multi - thread software cooperated with smp ( 2 cpu ) hardware performs the image - preprocessing correlation and post - processing synchronously, thus an automatic working module is realized. 6 systematic designed software, including grabing sarnies constructing rfl diging roi, and trainning ann offline and inline modules, has passed the practical tests which indicates that the opr could reach the recogniton possibility above 85 % and decrease the false alarm in the environment of high noise low contrast and multi - objects. and these are proved stable and repeatable in statistics, and so an advanced progress toward practical systems is achieved

    6 、系統化設計的軟體，包括了樣本採集、參考濾波器庫構成、相關平面的roi採集，以及ann脫機訓練、 ann聯機運行的軟體功能模塊，在實時運行的測試結果中表明了該opr系統對處于高噪聲、低反差、多目標的惡劣條件下，對三維畸變目標的判識率（ > 85 % ） ，降低了虛警率，並通過大量的實驗數據證明了該系統各項指標的穩定性和可重復性（從統計意義上講） ，向實用系統邁進了一大步。
  9. The method is used to construct virtual objects from real objects quickly, and then render the virtual objects as if they were real objects except for one more step of merging their images with the real objects images

    虛物體的概念最早被用來繪制平面反射和近似的薄板折射效果。 1998年， ofek將虛物體的概念擴展到繪制曲面反射效果，但是他的方法同樣只能得到近似結果。
  10. 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據的有序簡化技術，在提出建立海量數據點鄰接關系k -鄰近新的演算法基礎上，提出了局部切平面切片法和虛擬二次掃描線法，實現了海量數據的有序重組，通過基於灰理論的數據簡化和異常點處理新方法，生成可用於直接重構曲線曲面的掃描線類型數據，為以點?線?面方式重構cad模型打下了良好的基礎。
  11. Basing on them, we propose a new algorithm of removing pseudo elements by which we can ensure the candidate edge generated by the broken line in 2d views is pseudo element if it is inside of the face which can be seen completely. at last delete other pseudo elements by the topological information of former methods. 2. for the low efficiency and bad capability of disposing multi - solutions of the decision - making after generating face loops, we thoroughly analyzed the former divide - conquer algorithm and decision - chaining algorithm

    以這些定義和定理為基礎，提出了新的假元刪除演算法，通過判斷視圖中的二維虛線邊所生成的候選邊是否在完全可見有界平面內來判斷該候選邊是否為假元而將其刪除，再結合前人的成果利用三維拓撲信息刪除其它假元，從而降低了面環的生成數目和決策求解的搜索空間，提高了三維重建的效率。
  12. Real - time simulation of large - scale virtual scene is one of the key techniques of digital earth, as well as the foundation of the military environment simulation applications. and it is also one of the important propositions of geographic information system ( gis ) that must be solved in its course of development toward 3d gis and vr gis

    大規模虛擬場景實時模擬是建立「數字地球」的關鍵技術之一，也是地理信息系統（ gis ）由二維平面分析向三維立體分析縱深發展所急需解決的重要命題之一，結合虛擬現實技術應運而生的vrgis也已成為gis的新發展方向。
  13. Thirdly, at the platform of adams, the virtual prototype of the model is founded, by using the toolbox of adams and fortran language to apply constrains and forces to the parts of the model. using the virtual prototype, dynamic simulations of the multi - rigid - body gun system are carried out under the conditions of single, repeating and planar revolving shoots

    在adams軟體平臺下，結合fortran語言，對航炮系統的各個部件施加約束和力，編寫模擬腳本文件，建立航炮系統虛擬樣機，進行了單發、連發和平面掃射的多剛體系統動力學三維可視化模擬。
  14. This paper presents the images of circular points of the plane on which the 1d object translates, the constraints of circular points to camera intrinsic parameters, and the numerical solution to the constraints equations ( and then we obtain the camera intrinsic parameters )

    摘要給出了平移運動的一維物體所在平面的虛圓點圖像及其對攝像機內參數的約束，和約束方程的數值求解方法，從而獲得攝像機的內參數。
  15. According to the fact of existing mapping relations between cartographic region and the subjective cognition structure, this paper brings forth the definitions of imitative map symbol and virtual map symbol, studies the rule of their evolution, puts foward the mathematical model for maps of planning and forecasting as well as the definition for geo cyber space

    摘要根據從制圖區域到主體認知結構，從主體認知結構到二維平面之間存在映射的關系，給出了模擬地圖符號和虛擬地圖符號的定義，探討了其演化規律，並給出了規劃和預測地圖的數學模型以及地理虛擬空間的數學定義。
  16. This paper analyzes and discusses the problems involving the design of the electronic control ( ec ) and numerical control ( nc ) systems for a new type nc grinder - machine used to grind planar quadratic and annular enveloping worms based on novel four - axis - interpolation, in which a central fabricating method is introduced

    摘要本文作者設計了新型四聯動平面二次包絡蝸桿數控磨床的數控及電控系統，該磨床採用虛擬中心的方法，通過兩正交軸的圓插補及磨頭基座的自轉實現了傳統蝸桿加工磨床上的砂輪工作面的平面回轉運動，克服了傳統加工蝸桿工作層面多，結構復雜，加工精度、效率低等缺點。
  17. The simulation system includes the optics, chopper control, driving signal design, image data acquisition based on vi technology and image processing including image difference, non - uniformity correction ( nuc ), image intensification and dynamic display, etc. according to the corresponding theories, the author designed all these software modules. the research on the pyroelectric imaging technology through this experiment is of great importance to practical thermal imaging system in the future

    根據熱釋電焦平面成像原理，用sspa器件在可見光條件下設計了基於虛擬儀器技術的熱釋電凝視焦平面成像模擬系統，包括光學系統、斬波控制、驅動信號設計、基於虛擬儀器技術的圖像數據採集和相關的圖像處理技術，如圖像差< wp = 5 >分、非均勻性校正、圖像增強和動態顯示等。
  18. In this paper we dissertate the common structure cross forms and excavating methods of highway double - arc tunnel home and abroad at the first part, and study common simulation methods of tunnel construction afterwards. based on the method of reversing and releasing the stress, and combined with the capacity of simulating continuous construction of ansys programme, we come up with the thought of using the method of applying virtual support force to release the stress step by step to realize the step - by - step release of initial stress during the tunnel construction simulation. with the help of design language of ansys, we develop a command to apply the virtual support force

    探討了應用平面應變模型進行隧道施工過程模擬的常用方法，在「反轉應力釋放法」的基礎上，結合ansys軟體可以模擬連續施工的特點，提出利用「施加虛擬支撐力逐步釋放法」來實現隧道施工過程中地應力隨工序的逐步釋放的思路，並且利用ansys的apdl設計語言，開發出施加虛擬支撐力的命令，實現了施工過程中應力的逐步釋放，從而找到了一種模擬隧道施工過程的好方法。
  19. The main contributions of this thesis are : this thesis proposes an algorithm to build an efficient representation for large complex virtual environment from large set of reference images via pixel classification and obb technique ; this thesis proposes a hybrid representation of a complex scene by a combination of points and polygons

    該方法通過像素分類以及obb技術將整個龐雜的輸入數據重新組織為虛擬環境的有效表示；本文提出了一個點面混合的復雜場景表達方式，即以多邊形的方式表達場景中大的平面物體，而以點的方式表達場景中形狀復雜的物體。
  20. This technique is considered as the future trend of instrument technology. the virtual instrument is one of computer instrument systems and it is based on the hardware of computer. the function of virtual instrument is defined and designed by consumer. the virtual instrument is with virtual panel and the testing function is implemented by software. the traditional instrument implements data analyzing, data processing and data display by hardware circuit, but the virtual instrument implements those functions by computers. though the collection of signal is done by the actual probe, data collection board and the i / o of computer. the virtual logical analyzer is made by the technology of virtual instrument

    所謂虛擬儀器，就是在以計算機為核心的硬體平臺上，其功能由用戶設計和定義，具有虛擬面板，其測試功能由測試軟體實現的一種計算機儀器系統。它將傳統儀器由硬體電路實現的數據分析、處理與顯示功能，改由功能強大的計算機來執行，而信號的採集，仍然利用實際的探針，數據採集板和計算機i / o系統相結合的思想。虛擬邏輯分析儀就是按照虛擬儀器思想設計而成的。
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