object geometry 中文意思是什麼

object geometry 解釋
對象幾何
  • object : n 1 物,物體,物件。2 目標 (of; for); 目的,宗旨。3 【哲學】對象,客體,客觀 (opp subject); ...
  • geometry : n. 1. 幾何學。2. 幾何形狀。3. 幾何學著作。
  1. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的數學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的空間動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。
  2. Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis

    此法解決了輸入樣本依賴物體的概率密度的特點,簡化了分類特徵提取的不直觀性。本文還採用了支持向量機( svm )和聚類二叉樹相結合的方法對機器人手預抓取八類模式進行分類,解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題,得到了較高的正確率。本文對預抓取幾何形狀規則的物體採用直接提取其幾何特徵,對于預抓取幾何形狀不規則的物體採用圖像分析的方法進行特徵提取。
  3. First, this dissertation gives a geometrical projection - based 3d warp algorithm, which has proved the feasibility to bring the studying method of ibr into geometry models - based modeling and rendering. it is an all - purpose algorithm, which can perform coordinate warping under different projection for scene and object models, and, this algorithm can perform color warping according to lighting characteristics

    演算法的提出證明了將圖像繪制的研究方法引入幾何繪制領域的可行性,演算法通用性好,對場景模型與對象模型均能夠依據不同的投影關系進行圖像的坐標變換,同時,演算法還能夠依據光照特性對象素點顏色值進行變換。
  4. By means of the orbit dynamics theory and other knowledge, author established mathematical model related to collision forecast, including space object orbit confirming model, space objects relative movement model, dangerous object distinguishing model and space object collision geometry relation model, etc. according to the mathematic model, author calculated the relative distance transformation rule along with time between the spacecraft and dangerous debris and established early warning rule

    依據航天動力學理論和其他知識,建立了碰撞預警相關的數學模型,包括空間目標軌道確定數學模型、空間物體相對運動數學模型、危險物體判定準則數學模型和空間物體碰撞幾何關系數學模型等,根據數學模型計算航天器和危險目標的相對距離隨時間變化規律,設定了預警規則。
  5. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相位法和數字卷積濾波技術:根據柵線的條紋灰度值分佈具有極大極小分佈的特性,提出卷積濾波形貌光學自動檢測的圖像處理方法,有效地實現了頻譜自動移位,從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了分析,並提出了修正方法。
  6. Ms : well, um, i ' ve always been interested in, uh, structure, geometry. how things fit together. how an object that, uh, performs a function can. . also be a work of art

    嗯,我一直對結構學、幾何學感興趣,事物如何契合,一個物體如何發揮它的功能也會是一種藝術。
  7. Based on the feature technology and object - oriented mechanism, we found the manufacture - oriented three levels ( namely part, feature and geometry ) model of mechanical part and the resource model ; secondly, we realize the concurrent design of mechanical part and process through decomposing cycle, and then we constitute the evaluation guidelines on the basis of evaluation strategy of levels, which carry out from two levels ( part and feature ) and four phases ( part rough evaluation, feature rough evaluation, feature detail evaluation and part general evaluation ) ; thirdly, we put forward some evaluation methods according the evaluation guidelines, which include the rule - based process evaluation method, rule - based and fuzzy evaluation - based method associated with resources, case - bas ed and feature - based cost estimation method ; at last, we give a manufacturing - oriented evaluation system of rotating mechanical part, which validate the evaluation guidelines and method of the dissertation useful and practical

    以特徵技術為基礎,面向對象的編程機制為手段,建立了面向製造的三層次(即零件層、特徵層、幾何層)零件模型;同時進行了面向製造的資源建模。第二,通過細化循環,採用分層遞階的評價策略,分兩層(零件層和特徵層)四個階段(零件初評價、特徵初評價、特徵詳細評價和零件總體評價)建立可製造性評價指標;第三,以評價指標為基礎,分別提出了基於規則的結構工藝性評價方法、基於規則和模糊綜合評判定性和定量相結合的加工可行性評價方法、以及基於實例和特徵的加工成本估算方法;最後,以solidworks為開發平臺, vb6為編程工具,初步構建了面向製造的回轉類零件可製造性評價系統,它們驗證了本文評價指標和評價方法的實用性和可行性。
  8. This paper deals with the following three topics with regard to the control of multiple manipulators : 1. deprive the kinematics and dynamical equations of two manipulators with identical structure on the basis of geometry theory, one of which has two links, giving the inverse solution to the kinematics of the system which consists of the manipulators and the grasped object ; 2. by use of load - distributing, design a controller coordinating multiple redundant manipulators whose parameters are known

    基於微分幾何理論推導出兩個具有相同結構的二連桿機器人的運動學逆解及與物體所成系統的動力學方程; 2在假設由多個冗餘機器人與物體組成系統的動力學模型確知的前提下,利用負荷分配法,設計了一種不僅能使關節力矩優化且能按照一定比例分配負荷的控制器,解決了以往控制器的一些缺陷,即忽視各個機器人的實際承載力,導致一些負荷力小的機器人卻必須承擔較大的負載,最終損壞機器人; 3
  9. The camera chooses the size of brush based upon pure geometry : the effective brush size depends only upon where the object is, where the camera is focused, and upon the aperture of the lens

    相機選擇畫筆的大小完全是根據幾何學:畫筆有效的尺寸決定於物體在哪兒,相機聚焦在哪,和鏡頭的光圈。
  10. The reason relates to the fact that the exact shape of an object ? the distance from one point on it to another ? is a level of structure, which is called the geometry of the object

    原因是:物體的精確形狀(從其中一點到另一點的距離)是另外一層的數學結構,我們稱這結構為物體的幾何。
  11. The tdp system is based on the objectarx technique, autocad database and the vc + + development language. the characteristics of the configuration class is described based on the object - oriented technology and series of modules and algorithm of detecting interference are designed. in the end, the packing result without constraints of the arbitrary geometry component is realized

    本文基於objectarx技術,以autocad數據庫為操作背景,用vc + +作為開發語言,根據模擬退火法構建了多目標函數,通過面向對象技術對布局類進行了特徵描述,設計了一系列的操作模塊和干涉檢驗的演算法,完成了對無約束的任意形狀三維實體的布局。
  12. This paper analyses the annotated rules of the steel information of the frame column expressed in " plane method " construction drawing, sums up the expressed characteristics of the reinforcement information of the frame column, the object - oriented method is adopted to get the expressed pattern of the steel information. owing to " plane method " shop drawing steel information is expressed by geometry parameter, combine of the shop drawing and the detailed construct drawing can full express the steel information. by study of the information, this paper set up the steel parameter graph base

    對「平法」施工圖中框架柱鋼筋信息的注寫規則進行了深入的分析和研究,對完整反映框架柱鋼筋的各類信息表達特點進行了歸納,在此基礎上利用面向對象的程序設計方法及c + +語言建立了描述框架柱鋼筋所有信息的表達模型;由於在「平法」施工圖中各類構件鋼筋的幾何信息是一種抽象的以參數表達的信息,影響參數由圖中鋼筋的標注信息和標準構造詳圖中的構造要求確定。
  13. Granule which dimension is millimeter only is used generally, the micron can have the ability of enhance, the nami will be exceed, the define of microscope granule measure is all of data which can be scaled and statistic included geometry, pileup, combination, make up, object shape, micro hole. the basic object which is discussed by the article and software is granule dimension ( length, granularity ) and orientation measure

    毫米顆粒僅具常規性能和常規用途,微米( 10 ? 0 . 1微米)顆粒具增強功能(力學增強、流態化能力增強、磁力增強等) ,納米( 100 ? 0 . 1納米)顆粒具超常功能(韌性陶瓷? ?摔不碎,超硬銅材? ?硬度提高500 , 750度低熔銅、黑色白金、隱形材料等) 。
  14. So, date management is improved and a lot of complex semantic information is defined availably. the objected - oriented engineering template con structs organic relation between design and manufacture, realizes opposition and consolidate of integration and separation of geometry & manufacture information. for complex object, its hierarchical structure and dynamic data structure can be expressed effectively by simple and tight - knit way

    同時結合模板的知識表達方式,定義了語義對象工程模板,在模板中將設計信息按照對象之間的關系組織起來,加強了對數據的管理,並能表達多種復雜的語義等知識信息,建立了設計和製造活動的有機聯系,實現了幾何信息和製造信息的集成和分離的對立統一,將復雜對象、層次結構及動態的數據結構用一些相對簡單且組織嚴密的方式組織起來。
  15. In order to implement the modeling of reconfigurable virtual machining environment, an efficient virtual machining environment hierarchical modeling method supporting reconfiguration is put forward based on analysis of requirements and characteristics of reconfigurable 3d virtual machining environment modeling. four subjects of the modeling of reconfigurable virtual machining environment including geometry modeling of reusable part and component, simulation modeling of reusable part and component, modeling of virtual machining device and design of data management system in reconfigurable virtual machining environment are studied and configured by object - oriented method in detail

    為解決可重構虛擬加工環境的建模問題,本文在全面分析可重構虛擬加工環境的建模需求和建模特點基礎上,提出了可重構虛擬加工環境層次建模方法,將可重構虛擬加工環境的建模分解成為四個子專題:可重用的零部件幾何模型的建立、可重用的零部件模擬模型的建立、虛擬加工設備的建模、支持重構的虛擬加工環境模型數據庫的設計,並分別對之進行了詳細的分析設計。
  16. By means of confirming the geometry relation between the spacecraft and dangerous object, estimated the collisional velocity, the location of collisional point, collisional degree, established the maneuver rule

    通過確定航天器與危險目標的幾何關系,估算碰撞速度、碰撞點的位置、碰撞程度,制定了規避準則。
  17. Chapter six gives a four - level underlay structure for the virtual reality - based simulation of the seaport container logistics system. the virtual reality - based modeling software multigen creator, and the simulation software vega are introduced in detail. with the presentation of chapter five and chapter six, chapter seven shows the establishing of object - oriented model of the 3d geometry and vision scene in the seaport container logistics system

    第六章給出了基於虛擬現實的港口集裝箱物流系統模擬的4層邏輯支撐結構,並在明確各硬體、軟體環境及其相互關系的基礎上,進一步介紹了視體對象建模工具multigencreator的建模功能,對其所建立的openfllsht格式模型數據庫的層次結構進行了深入分析,同時介紹了模擬平臺vega的軟體組成。
  18. The geometry object attribute refers to the color, the chart layer, linetype and the line width and so on

    幾何對象的屬性是指顏色、圖層、線型及線寬等。
  19. In the thesis, compatible data storage fashion and data structure for a large - scale 3d scene is discussed firstly. then the process technique for dem, spatial object geometry data, texture image data and scene metadata are discussed in turn. finally, a new nested index, scene pyramid + sub scene regular dividing quad - tree is brought forward, which consumes less memory and reduces the complexity of spatial data query

    本文首先確定了適用於大規模三維場景可視化的數據結構和存儲方式;然後分別針對dem數據、地物模型數據、紋理影像數據及場景元數據論述了分割與lod處理的方法;最後給出場景金字塔與子場景規則分割四叉樹兩套索引的建立以及具體應用策略,該索引機制減少了內存消耗,降低了數據查找的復雜性。
  20. In the appliance of object identify and scene analysis, we need comprehend the geometry structure relationship. if camera is not calibration how to use the scene ' s information and vanishing points to accomplish it. then we give two algorithms and introduce the range of apply

    在目標識別和場景分析的應用中,我們經常需要了解場景中的空間幾何結構關系,如何在攝像機未事先標定的情況下,利用場景中的有關信息,結合圖像中的消失點,獲得場景中相關幾何信息。
分享友人