運算對象 的英文怎麼說
中文拼音 [yùnsuànduìxiàng]
運算對象
英文
opd-
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。The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。Based on vc and opengl software platform, as a part of integrate planar mechanism analysis and simulation cai, the mechanism theory has been adopted to analysis the movement trace and profile of linkage ; adopt oriented object method to capsulate the class module. each corresponding class module complete parameter storage and process ; adopt message - map, message - trigger to organize the programming and response the user " s input ; use the document - view structure of the visual vc + + mfc class foundation as the basis of the programming architecture to complete those functions. use oriented object method to product the following class module : control class, render class, document class, mechanism class and other classes ; adopt opengl library to draw the three dimensional graph based on the result of mechanism analysis ; use model transforming, lighting, material, color, frame - buffer, display - list, graphics - component combine etc to draw the three - dimension mechanism and make the simulation of linkage has high reality
本文敘述了平面連桿機構運動分析和可視化模擬的理論演算法及其編程實現方法,基於微機vc平臺,採用opengl圖形庫編程,利用面向對象的方法對機構進行功能封裝,利用vc + +的文檔視結構作為最基本的窗架,生成並控制三維繪制類、文檔類、主窗口類和一些輔助類,利用windows平臺的消息映射、事件驅動來組織程序運行和響應用戶反饋,利用機構分析得出坐標數據驅動opengl庫繪制三維機構圖形。Since pixel - level contrapose pixel coordinate, trigonometric function must be used to translate polar coordinates to pixel coordinate when the curve is described by polar coordinate. so research is very little on algorithms for generating this sort of curve by now
由於逐點是針對象素坐標系而言,而對極坐標系下描述的曲線,在轉換到象素坐標系時要用到三角函數運算,因此目前很少提到對極坐標曲線生成演算法的研究。This will help the 3d engine ' s performance by doing per - object frustum culling
此舉有助於3d引擎對對象的層次視錐剔除運算。The paper presents a distribution analysis software platform which is developed combining computer graphical theory and oop ( object - oriented programming ). the platform includes three modules, the graphics module, the database module and the computation module. the graphical module can draw the key diagram of power system ; the database module can save, browse and edit the data of power systems ; the computation module can compute the power flow
本文運用面向對象的程序設計方法結合計算機圖形學的知識,開發了一套可視化配電網分析軟體平臺,它包括用於繪制電力系統結線圖的圖形模塊、用於保存、瀏覽、修改電網數據信息的數據庫模塊和進行配電網潮流計算的計算模塊。In each iteration, no trigonometric function is used and only two multiplications are required. by taking the advantage of symmetry, only the points in one octant are need to be generated
該演算法避免三角函數的運算,每步僅需兩次乘法,並且充分利用對稱性只計算一個八分象限的點。The author mainly anticipates the task including the simulation of eye fundus imaging and image mosaic. on the base of the dr principle and ophthalmic phototropism study, the author analyze and contrast new fundus camera system with traditional fundus camera. the author will establish the eyeball model with 3ds max technology, imitate the simple eyeball dioptre system and simulate the narrow - angle imaging to ensure the rationality and authenticity of fundus image, which solves the object origin of later image process, then fast mosaics the nine piece of fundus images with the help of the image registration theory and acquire a piece of wide - view fundus image containing more information, thereby provides doctor with enough diagnostic detail, which solves the problem of narrow view
作者在熟悉糖尿病性視網膜病變原理和眼科屈光學的基礎上,進一步研究分析了新型免散瞳眼底照相系統和傳統眼底照相機原理和區別,擬採用3dsmax建立三維眼球模型,模擬眼球屈光系統,模擬眼底照相系統的小角度拍攝,使獲取的眼底圖像合理真實,解決後期系統圖像分析處理的對象來源問題;然後運用醫學圖像配準理論對模擬獲取到的九幅小角度眼底圖像進行快速拼接,拼成一幅大角度的眼底圖像,解決小瞳孔拍攝圖像視角太小的問題;最後通過對眼底圖像配準演算法在相似性測度和搜索演算法的比較,找到一種適合眼底照相系統的眼底圖像拼接的快速演算法。The program is applied to 1st phase project of dayao bay bulk terminals, dalian port and the result is satis factory. finally, the article discusses the problem in research and brings some advices in further research. based on systems analysis, modem computer simulation technology and technological analysis of large. sized bulk terminals, the article proposes the appliance of ooa to the research of bulk handling system and raises a concept of simulation system
本論文針對散糧碼頭系統設計與運營中出現的問題,根據系統分析的方法,結合現代計算機模擬技術,在對大型散糧裝卸碼頭工藝系統分析的基礎上,提出了應用面向對象的系統分析方法開展對散糧碼頭裝卸工藝系統進行分析研究,並建立模擬系統的概念。The expression language includes a cast operator that supports casting between string, numeric, date, and binary data types
表達式語言包含支持在字元串、數值、日期和二進制大型對象塊( blob )數據類型之間進行轉換的轉換運算符。The moveing track simulation and the strain analysis and calculation of underslung conveyor are important in designing underslung conveyor. this thesis successfully achieves this goal in autocad2000 environment by using objectarx which is an object - oriented redevelopment tool of autocad and based on the visual c + + 6. 0 platform. this thesis mainly covers the following four aspects of research work : 1
懸掛輸送機運行軌跡模擬和受力分析計算是懸掛輸送機設計中的重要環節,本文利用autocad面向對象的二次開發工具objectarx ,藉助visualc + + 6 . 0的開發平臺,在autocad2000環境下實現了懸掛輸送機運行軌跡模擬和受力分析計算。Using standard object access techniques, you would need to recompile and redistribute the client application before it could use the new operators
若使用標準對象訪問技術,則在該客戶端應用程序可以使用新運算符之前,需要對其進行重新編譯和重新發布。A segmentation method for moving object in computer vision
計算機視覺中運動對象的分割方法This paper present a robust moving objects tracking method, we consider the moving objects with their outside rectangular, track them in the scene, and get their tracks and moving parameters
本文提出一種跟蹤演算法,將運動對象與其外接矩形框結合起來考慮,進行匹配,能同時對場景中多個運動對象進行實時跟蹤,並得出運動對象的運動軌跡和瞬時速度。The modulus operator, when used with the result of the random number generator, limits the result to an upper bound of the operand minus one ( 99 in this case )
若隨同隨機數生成器的結果使用,模數運算符( % )可將結果限制到運算對象減1的上限(本例是99 )之下。Matrix and vector template classes are defined based upon object - oriented technology ( oot ). the conventional computation among matrix, vector and number is realized by overriding operators. according to the property of matrix, the scanty reserve way of object data is used, and the computation between matrixes with different reserve way is realized. the template classes is versatile, the program codes can be effectively reused, maintained and extended
基於面向對象技術定義了矩陣和矢量兩種模板類,利用運算符重載實現了矩陣、矢量和數之間的常規運算,對于具有不同特性的矩陣,採用了節省的貯存方式,並實現了不同貯存方式下矩陣相互之間的計算,表明所建立的模板類具有通用性,所開發的代碼可重復利用率高,而且易於維護和擴充。So there are both continuous and discrete in the progress ( id fact, we always meet such a progress with both continuous and discrete variation during studying the biological model ). then we can model the progress by a dynamic equation on tune scales to solve it easily. since the last decade, there have been much advance on the dynamic equations on time scales
那麼這個過程既有連續的又有離散的(事實上,在描述生物種群狀態的生物模型中我們經常會遇到象這樣的一個變化過程中同時具有連續的和離散的變化) ,我們就可以用一個時間模上的動力學方程來描述,進而用時間模上的運算對此加以解決,那麼問題處理起來就簡單方便了。Automatic segmentation algorithm of moving object in the video sequence
視頻運動對象自動分割演算法In temporal segmentation a statistical model is used to automatically separate the moving areas from the background in a general video sequence. the spatial segmentation bases on the results of temporal segmentation and using region - growing algorithm in rgb space can locate precise boundary of moving object. lastly, using segment moving object as the initial model, moving object can be tracked by matching an image to a model based on hausdorff distance on a sequence of video, and the model is updated every frame to accommodate for changes in shape
時間分割中採用連續幀間差的統計假設檢驗,確定運動對象的位置,自動地分離出運動區域與背景區域;空間分割中則採用基於顏色的區域增長演算法來精確地提取運動對象的輪廓;最後,將提取到的運動對象作為模板,對后續的視頻序列,用基於hausdorff距離度量匹配,來跟蹤並提取后續幀中運動對象。分享友人