理想坐標 的英文怎麼說
中文拼音 [lǐxiǎngzuòbiāo]
理想坐標
英文
hyperspherical coordinates-
With the background of a model of antiaircraft artillery system, the related theories and software design thoughts of target measure system are studied. digital simulation and experiment in national shooting range demonstrate their effects
本文以「某型牽引高炮武器系統」的研製開發為工程背景，研究與探討了火控系統中目標坐標測定儀相關理論與軟體設計思想，在實際應用中取得了良好的效果。The main research work in the thesis is as follows : ( 1 ) base on the analysis of cutting principle and tooth geometry characteristics of klingelnberg cycloid bevel gear, the formula of tooth design calculation was verified and the equation of imaginary crown gear tooth flank was deduced by establishing appropriate coordinate system
主要研究工作和成果有: （ 1 ）通過分析克林貝格擺線錐齒輪銑齒原理，對其部分幾何設計演算法進行了推導驗證，並建立了適當的坐標系推導了假想冠輪的齒面方程。Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control
由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點，提出了以艇體坐標系為運動坐標系，運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想；將所建立的矢量形式的動力學模型展開整理，獲得了狀態矩陣形式的獵雷聲納基陣動力學方程，為系統動力學模型的實用化奠定了基礎。Weihai international academic center of shandong university is the important academic communication site and the reception window to foreign of shandong university, which build up and generated according to the four - star standard. it is located in the beautiful beach city - weihai, to the west of the international bathing beach, the best place for business, travel and conference. there is the international academic lecture hall with sea view that can hold 500 persons together, also with the conference room, melti - functional hall, and the top - grade meeting rooms of diverse styles
山東大學威海國際學術中心是山東大學的重要學術交流基地和對外接待視窗，按四星級酒店標準建造和管理。她坐落於美麗的海濱城市威海，背依青翠秀美的瑪珈山，西陲綿延數里的國際海水浴場。空氣清新，風景優美，是您商住旅行會議的理想之地。Innovation of the aero maintenance system based on augmented reality ( ar ) technology and eye tracking technology, which can give real - time instruction for maintenance, is vital for enhancing the accuracy of maintenance and reducing the cost of maintenance. in the paper, the study work include 3 sections, as following : firstly, deducing 3d registration algorithm based on markers, depicting the display and 3d display technologies of artificial matters, and realizing 3d registration function specifically ; secondly, establishing an eye - movement measurement system based on the infrared television method, making use of the thoughts of ranks superimposition to withdraw the pupil center coordinates, and giving the thaught of recombining the position relation of purkinje spot to determine the eye sight direction primarily ; finally, describing the basic theory of augmented reality maintenance guiding system in detail, and introducing the software function and hardware frame, which will provide the foundation for the further study of this system
本文的研究工作主要包括以下三個部分:首先，改進了有標志點的三維注冊演算法，並具體實現了三維注冊功能，最後試驗驗證了注冊演算法的正確性，為將來基於無標志點的發動機維修誘導系統的研究提供基礎和實踐經驗;其次，描述了基於紅外電視法的視線跟蹤系統的基本原理，對眼動信號處理技術做了初步的研究，即利用了行、列疊加的思想提取了瞳孔中心坐標和普爾欽（ purkinje ）斑點的坐標，闡述了結合瞳孔中心與普爾欽（ purkinje ）斑點的位置關系進行初步判定視線方向的方法;最後，詳細描述了所構建的增強現實維修誘導系統的基本原理、軟硬體框架，為今後維修誘導系統的深入研製提供基礎。First, the fundamental theory of the basic fdtd method and its application in the analysis of the electromagnetic properties of infinite planar periodic structures is summarized. the basic ideas of the auxiliary fields fdtd method is expressed and generalized to the situations of the 2 - d periodic structures, to lossy media, and to the curvilinear coordinate. the shortcoming of this method in the management of conformal grids is pointed out
首先總結了fdtd方法的基本理論及其在周期性結構電磁特性分析中的應用，闡述了輔助場fdtd方法的基本思想，把它推廣到二維周期性的情況和計算區域為有耗媒質的情況，再進一步推廣到曲線坐標系中，並指出了該方法在網格共形處理中的不利之處。This paper first researched the general situation of domestic and abroad developments in the field of ultra - precision aspheric surface machining technology and its numerical control system, analyzed the aspheric surface machining principle of ultra - precision machine, and in these bases, founded the kinematics model of ultra - precision machine in ideal condition using the homogeneous coordinate conversion method in robotics
分析了本實驗室超精密機床非球面加工原理，在此基礎上應用機器人學中齊次坐標變換的方法建立了理想情況下超精密機床運動學模型，通過綜合分析超精密機床的運動誤差，給出了超精密機床的誤差補償模型。This paper investigates the condition and actual problems of civil airplane development, and then brings forward the plan that the correct management concept must be set up first, and we improve on the management process with this idea : in view of the complication and the condition of civil airplane development, general organizing structure in project management, we redesign the organizing structure - the strong matrix based the tetrahedral coordinates. analyze the management job of the civil airplane development, then research management process with the idea of project management, set up the new whole work flow. research some work flow such as risk management as a hotspot in project management
本文針對民用飛機研製的現狀及存在的問題，提出了必須建立現代項目管理理念，用項目管理的思想來改進民機研製的管理流程：針對民機的復雜性，結合項目管理常用組織結構和民機研製項目現有的情況，對民機研製的組織結構進行了重組，建立了基於「四坐標」管理的強矩陣組織結構；在對民用飛機研製的管理工作充分分析的基礎上，按項目的生命周期，用項目管理的方法對民機研製的管理流程進行了研究，建立了新的、符合項目管理要求的民機研製項目總體流程；研究了民機研製項目具體工作流程。Aimed at the blank parts based on the ideal forming, the involved fe formulae based on the kinematics of the linear triangle membrane elements, with the node coordinates or node displacements of elements being unknown, are derived
針對基於理想成形的板料零件，推導了以節點坐標或節點位移為未知量的線性三角形薄膜單元的變形關系。With the direction of lower cost, localization, independent copyright, elaborate selection and design is done about the hardware of image capture system, 3d coordinating laser measure machine, the software algorithms as well their realization of image capture & process discussed in detail
在低成本、國產化與自主版權思想的指導下，對三坐標激光測量機這一反求設備的圖像採集系統的硬體作了精心的選擇與設計，並對圖像採集與處理系統的軟體的演算法及實現作了詳細的論述。On the basis of all these, the paper researches that the soil moisture content reduces slowly after 7 days ， so establishes a main criterion of evaluating watering feature - the increment of average soil water content in 7 15 days. according to these theories, we draw an conclusion - water is injected at the position away from seed zone 3. 5 ( cm ), 6 ( cm ) deep with vertical flat nozzle, the effect of watering is better at the operation speed of 0. 9m / s
得出7天後土壤含水量呈緩慢變化的趨勢，進而提出了以7 15天平均土壤含水量與初始含水量的差值作為評價坐水性能的指標，以此為依據得出在機組作業速度由0 . 5m / s增加到0 . 9m / s的情況下，採用豎扁（不帶翅）施水管將所需的水施到種子帶橫斷面內3 . 5cm ，深6cm的位置，坐水效果較為理想。It is applied in analyzing and calculating static distortion of skylift in virtue of updated lagrange formulation and iterative method with moving coordinates. the solutions are worked out by increment principle and newton - raphson method
在分析和計算消防車伸縮臂的靜態變形時，引入了幾何非線性的思想，藉助更新的lagrange格式，將增量原理與牛頓-拉弗遜法相結合，並且使用帶有動坐標的迭代方法求解。In the motion detection a method which is based on time and space is used for it can detect harmful invade object in spite of surroundings inteferre. in addition, after got the image of objects, the rectangle frame technique is used to fill the hole. in my design another part is multi - objects image tracking which is a new technique and it integrates image processing, automatic control and computer science. this technique can automatically acquire objects from image signal, get objects " position information then track them with the aid of dome
本文中提出了若干有價值的新思想、新方法，完成了以下內容：首先，提出了數字視頻監控的功能結構，描述了數字監控系統的組成、特點和發展現狀；然後研究了適合於跟蹤監控的攝像機坐標系，提出了一種雙角度攝像機坐標以適合本系統的實際應用；討論現場圖像的預處理，其中包括灰度級變換、噪聲濾波和圖像恢復；在運動監測中，比較了幾種常用的運動檢測方法的優缺點，提出了一種基於時域和空間域的圖像檢測方法；另外，在得到運動物體的圖像時，採用矩形框技術填充由於差分圖像造成的孔洞，此方法簡單可靠，有較大的實用性。Considering joint clearances at both ends of the coupler, a continuous contact model is developed by modeling clearance as a massless rigid link. a set of strongly nonlinear equations is obtained by using angle displacement of clearances in kinematic pairs as generalized coordinates. four order rong - kutta method is adopted to solve the dynamical equations of continuous contact model
考慮曲柄與連桿、連桿與滑塊之間運動副間隙，將運動副間隙看成是一無質量的理想桿，利用連續接觸模型進行建模，採用運動副間隙角作為廣義坐標，得出一組強非線性方程組。The contents of the course include the elastic problems and associated solution procedure ; the basic concepts and assumptions of elasticity ; the solution of a planar elastic problem defined in a rectangular coordinate ; the matrix expression of basic equations of a planar elastic problem ; the solution of a planar problem defined in a polar coordinate ; the basic equations and solution procedure of a three - dimensional elastic problem ; bending of a plate ; and the variational principles of energy
本課程的主要內容包括:彈性力學問題及其求解思想;彈性力學中的基本概念及基本假定;彈性力學平面問題的直角坐標解答;平面問題基本方程的矩陣表示;平面問題的極坐標解答;彈性力學空間問題的基本方程及其解法;薄板的彎曲;能量變分原理等等Ofs : coordinates can be translated by assigning an offset. enlarging of the ofs moves the texture to top left
坐標可以通過指定一個偏移來進行轉換。增加偏移會使紋理想左上方移動。As a result, the time delay is reduced by the predictive detection scheme for sample, coordinate transform, or calculation process effectively. and the compensation effect of hupqc is improved. it is a better detection scheme for power pollution to be checked in distribution system
模擬與實驗結果表明，預測檢測可有效地避免坐標變換或采樣、計算過程引起的時滯，改善hwqc補償的實時性，從而提高調節系統的補償精度，為實現對配電系統中電能「污染」的治理提供了一種較理想的信號檢測方法。This project is based on the theory of mbs, analyzes all movement forms of 3 - axis nc machine tools, builds the movement models of all kinds of models, and summarizes the general movement model, which includes two methods ? rom work piece coordinate system to unitary coordinate system and from unitary coordinate system to work piece coordinate system. each method includes the movement models both under ideal condition and under error condition, so the 3 - axis nc machine tools are defined
本課題以多體系統理論為基礎，分析了三坐標數控機床的所有運動形式，建立了各種類型三坐標數控機床的運動模型，並從中概括出通用性的運動模型，其中包括從工件坐標系映射到機床參考坐標系和從機床參考坐標系映射到工件坐標系兩種情況，每種情況又包括理想情況下和存在誤差情況下的運動模型，解決了三坐標數控機床運動誤差補償的通用性問題。If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws
採用經驗公式來計算三偏心蝶閥的動水力矩，誤差比較大，本文根據三偏心蝶閥的結構特點，利用理想流體的定常、無旋流動的假定，用有限差分法在直角坐標系中求解拉普拉斯方程，得到蝶板截面上的壓力分佈，從而計算出蝶板在各個開度下的動水力矩，設計出了求解的程序，給出了程序運行的結果並進行了數據處理從而得到了動水力矩曲線，總結了它的變化規律。The initiative thought of the paper is that scientific view of development and best allocation of military financial resources are regarded as new criteria ; attainment, allocation, utilization and evaluation of military financial resources are analyzed and studied systematically to realize the scientific management of military financial resources and make best allocation and efficient utilization of military financial resources ; military finance management is reformed through the integral thoughts
本文把全面貫徹落實科學發展觀，優化配置軍事財力資源，作為新時期加強軍事財力管理工作的一個全新坐標;對軍事財力的獲取、分配、使用等環節進行全過程、全系統的分析研究，從而確保對軍事財力運行的活動過程和活動內容實施有效的管理，實現軍事財力管理的科學化，進而保證軍事財力資源的最優化配置和高效使用;提出用一體化的思想對軍事財力管理進行改革。分享友人