real geometry 中文意思是什麼
real geometry
解釋
實素幾何學-
An application of the theory of real number ' s continuity in plane geometry
實數連續性理論在平面幾何上的應用 -
The invent of irrational numbers, calculus, and the found of non - geometry, the prove of fermat theorem. examples like this are uncountable in the history. with the help of it, people will understand better the real process of math creation, which was fixed in our textbook in form of principles, therefore, we can benefit a lot from our ancestors and be very confident of ourselves
無理量的發現、微積分和非歐幾何的創立，乃至費馬大定理的證明， … … ，這樣的例子在數學史上不勝枚舉，它們可以幫助人們了解數學創造的真實過程，而這種過程在通常的教科書中是以定理到定理的形式被包裝起來的。 -
This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable
本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含流體性質判釋等工作的基礎上，結合研究工區莫北油田的實際情況，提取了目標油（氣）層和導向標志層的測井地質模式特徵，並採用bp神經網路法和回歸分析法建立了地質導向參數的預測模型、構造了相應的對比曲線；採用幾何導向法確定鉆頭上下傾鉆進方向及其在目標層的位置，以判斷實際鉆進地層情況，很好地解決了研究工區三口水平井的隨鉆跟蹤地質目標的問題。 -
Based on the geometry between sunshine ray and real terrains, the distributed models were developed to simulate the extraterrestrial radiation and possible sunshine duration over rugged terrains respectively. according to the principles of direct and diffuse radiation on tilted surfaces, the distributed models to estimate the direct and diffuse radiation over rugged terrains were developed also. the proposed models were proved to be able to treat volumes of data and are applicable to satellite image processing platforms or geographic information system ( gis )
起伏地形下太陽輻射分散式模型研究根據太陽光線與實際地形之間的幾何關系，建立了起伏地形下天文輻射、可照時間的分散式估算模式；依據坡地直接輻射和散射輻射機理，分別建立了起伏地形下直接輻射、散射輻射的分散式估算模式；建立的分散式模式計算結果可靠，可進行大數據量處理，適用於遙感圖像處理、地理信息系統等數據處理平臺。 -
From the viewpoint of real - time calculation, the qa3 is fitter to the geometry processing and real - time interpolation, because it is local and calculates simpler and faster
從實時性方面考慮，因為演算法qa3更簡單、計算速度更快、局部性更好，所以更加適合於cnc的幾何數據處理和實時插補運算。 -
The paper applies algebraic geometry, computational geometry, approximation theory to study the following problems : the nother type theory and the riemann - roch type theory of the piecewise algebraic curve ; the number of real intersection points of piecewise algebraic curves ; the real piecewise algebraic variety and the b - net resultant of polynomials
本文應用代數幾何，計算幾何，函數逼近論等學科的基本理論，分別就分片代數曲線的n （ ? ） ther型與riemann - roch型定理；分片代數曲線的實交點數；實分片代數簇以及多項式的b -網結式進行研究。 -
Furthermore, by using the database with increased quantity and details need to handle the datasets which do not fit in ram ( out - of - core datasets ). meanwhile, advances in shading and image quality in general have raised the bar for image quality we would like to achieve in terrain rendering a in this thesis, we propose an efficient hardware - friendly framework - chunked lod, for large - scale terrain real - time rendering. within this framework, the approach for integrating multi - resolution representations of terrain geometry and terrain texture data is presented
變換和光照（ transform & lighting ） 、立方環境材質貼圖（ cubicenvironmentmaps ） 、頂點混合（ vertexblending ） 、紋理壓縮（ texturecompression ）和凹凸映射貼圖（ bumpmapping ） 、雙重紋理（ dualtexture ）四像素256位渲染等均可以在gpu中完成，大大減輕了cpu的壓力，對實時圖形渲染產生了深遠的影響，這其中包括實時地形渲染。 -
On one hand, although the traditional methods to solve the electromagnetic scattering form the target by the so called high frequency methods such as po ( physical optics ), go ( geometry optics ), have the less memory and computational requirement, they also have the fatal defection that the accuracy of these methods are too poor to use in real applications
一方面傳統的高頻電磁分析方法雖然計算較快，內存需求較低。但是其存在的致命缺陷是計算結果精度較低，在許多場合下的計算結果的精度遠遠不能達到應用的要求。另一方面基於積分方程的多層快速多極子方法是一種求解電磁散射問題的快速演算法。 -
( 5 ) aiming at irregularity of a real fracture surface or a real crack profile, applying griffith ' s criterion and fractal geometry, the real asymptotic expression at the crack tip is developed, and it is discovered that the fractality of the crack reduces the stress singularity at the crack tip
（ 5 ）針對實際斷裂面或裂縫的不規則性，利用griffith能量平衡原理及分形幾何，推導了裂縫尖端實際應力場和位移場的表達式，研究發現，裂縫的分形性減小了裂縫尖端應力的奇異性。 -
At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization
由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。 -
At first, the paper discusses the method of doppler parameter estimation based on raw datum, and analyzes the realization for range - doppler algorithm in real - time processing, motion compensation, datum subsection and geometry emendation. then, the corresponding system solution based on the algorithm is put forward. the versa module eurocard bus construction is adopted in the system design
本文首先討論了基於原始數據的多普勒參數的估計方法，並且分析了距離多普勒演算法在實時處理中的實現，以及實時成像下的運動補償、數據分段及幾何校正；然後在此演算法的基礎上提出了相應的系統解決方案，系統設計採用vme總線結構，其運算核心部分是一個由四片數字信號處理器組成的共享總線式并行處理模塊，論文並提供了整個實時成像演算法的軟體實現。 -
So because shadowing is using the real geometry, and not the virtual one mimiced by the normal mapping, you get a shadow that looks like it ' s coming from 3 or 4 triangles
因此，由於陰影是通過實際的幾何來生成，並沒有由法線貼圖虛擬出的實物，所以你就會得到一個看起來像是從3或者4個三角形那投過來的陰影。 -
Shiphandling simulator is a device that can partly imitate the true environment at sea ， and is specially designed to satisfy marine education and trains and maritime research etc. one of its key techniques is to create the virtual environment at sea ， and the terrain is its important component. according to the needs of the real time visual display of the shiphandling simulator ， this paper analyses the requirements of the geometry precision of the important islands and background hills which are within the ships ' visible scope ， and brings forward the modeling methods of the hill ' s pileup and the hill ' s silhouette edges based on contour lines. it also presents the definition of error that the hill ' s silhouette edges graph has been given and the effective scope of application ， and firstly established the error criterion of terrain model that is built in shiphandling simulator. with these two kinds of method ， the size of data storage can be minimized greatly ， and the requirements of high update rate and geometry precision for the real time visual display of the shiphandling simulator can be satisfied
船舶操縱模擬器是一種能夠部分模仿海上真實情況，專門為滿足航海教育與培訓、航海技術研究等目的而設計研製的裝置，其核心技術之一是海上視景模擬，而地形地貌是海上視景中的重要組成部分.根據船舶操縱模擬器實時視景顯示的需要，在分析航行船舶對可視范圍內重要島嶼與背景山脈的幾何精度要求的基礎上，提出了基於等高線的山形堆積建模和山形輪廓建模方法，並給出了山形輪廓圖形的誤差定義、有效適用范圍，以及船舶操縱模擬器中地形建模的誤差準則，該方法生成圖形的數據量較小，其圖形更新速率與幾何精度能達到船舶操縱模擬器實時視景顯示的要求 -
In order to optimize 3d models before store and rendering, we create a subsystem for radm. triangulation is a fundamental problem in computational geometry. in real time system, polygon should be triangulated in order to make full use of rendering accelerate on function of graphic hardware
為了使該系統輸出的模型能夠以更優化的形式提供給大多數的實時繪製程序所使用，我們在radm的基礎上，又實現了一個面向繪制的模型優化子系統。 -
Principals of how to ensure geometry parameter of space grids finite element model are given and f90 program to calculate member force and chord section is developed according < < space grid design and construction code > > ( sgdc code ) so as to determine the real constant ansys needed. to create finite element model of psgs, program to create node, element number and restriction information is compiled also
給出了確定網架有限元模型幾何參數應遵循的一般原則，並依據《網架結構設計與施工規程》中網架內力計算演算法編制了計算周邊簡支條件下正放四角錐網架內力和桿件截面f90程序，從而確定採用ansys進行網架計算所需的單元實常數。 -
Thirdly, researching data communication on network, data communication with socket and http protocol is proposed. reliability, real time, concurrency of message and model data is ensured. fourth, a new composite query method of local and long - distance, information of feature and geometry based on long - distance service of the cad software are implemented
4 、研究了產品模型信息查詢技術，提出了本地與遠程相結合的混合式查詢框架，並在客戶端採用ug二次開發技術實現了基於遠程cad軟體應用服務的特徵和幾何信息的遠程查詢。 -
The multiresolution models for terrain texture data and geometry data are matched with each other : to achieve the goal of real time visualization, our framework selects geometry and texture patches based on the screen - space error criteria conforming to the current viewpoint
無論是幾何模型還是地形紋理均進行了多解析度組織，並且根據它們在屏幕空間的簡化誤差實時選取兩者恰當的解析度。 -
Feature mode1ing system can provide not only the geometry information of parts, but also process information of the parts, which latter procedure cam system needs, to real ize share and exchange for information between each cax systems
特徵建模系統能提供后續cam系統所需的零件幾何信息和工藝信息，實現各個cax系統之間的信息共享與交換。 -
The main features of this system are : ( 1 ) design and calculate stable fiber paths fulfilling all technical requirements ; ( 2 ) update of the geometry of the mandrel surface with the increase of the thickness ; ( 3 ) the transfer of laminate data to fea - program for detail stress analysis ; ( 4 ) generation of the control data file for four axes winding and ( 5 ) the real time simulation of fiber paths and machine paths
該系統主要特點有1 ）設計和計算穩定的纖維路徑； 2 ）隨厚度變化自動更新芯模曲面形狀； 3 ）為有限元分析提供路徑網格數據； 4 ）生成用於四軸纏繞機的運動控制指令數據以及5 ）纏繞過程三維圖形模擬。 -
With stkconnect, qualnet sends commands in real time to the stk computation and geometry engine, adding network analysis and communication effects to the visually rich 2 or 3 - d animations
計算和幾何引擎實時發送指令，將網路分析和通信效果添加於可視且豐富的二維或三維動畫。
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