現在坐標 的英文怎麼說

中文拼音 [xiànzàizuòbiāo]
現在坐標 英文
present coordinate
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • 現在 : now; at present; today; nowadays; these days; this day and age
  1. Combined with the reseaching panoramic aerial camera with tdi ccd, the paper deduced the formula of imv with two methods. one is coordinate system transformation method, the other is orthogonal projective analytic method

    本文結合研的tdiccd全景航空相機,用兩種不同的方法實對像移速度公式的推導:系變換法和正交投影解析法。
  2. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展,目前大多集中建立良好的用戶界面上的研究仍存許多應用上的局限性,其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實任意剖面上可視化處理,必須先將得到的有限元計算結果進行再處理,因此演算法上分為兩部分:求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎,利用線性插值方法得到截面與單元棱邊的交點及交點物理量值;此基礎上;根據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。
  3. The dissertation has expounded following aspects : the shanghai ' s position in the publication history before it was forced to open up ; the city ' s convergency effect and the formation of three publication systems : missionary publication, government publication, and civilian publication ; the strengthening of publication ' s modernity and the rising of national publication ; the interrelation and integration of publication and city ; the relation between publication and shanghai ' s city civilization. thus, it has revealed the impetus and the developping process of modern shanghai publication ' s sharp rising

    通過對上海開埠前出版史系中的位置、都市的集聚效應與教會出版、官辦出版、民辦出版三大出版系統的形成、出版代性的增強與民族出版業的崛起、出版業與都市社會、出版業與都市文化的互動與整合等方面的論述,清晰地揭示了近代上海出版業迅速崛起的動力因素和發展軌跡。
  4. After introducing some backgrounds and the state of art of motion editing and motion synthesis, we introduce some basic operations of motion editing and show implementation results in eidolon. chapter 3 describes inverse kinematics, and two real time algorithms : ccd and jacobian transpose are discussed in detail. in chapter 4, we introduce the principle of multiple level b - spline, and motion path editing is achieved with such spline

    介紹了運動編輯和合成的一些背景知識和研究狀后,本文第二章概述了運動編輯的一些基本操作並給出了eidolon中的實結果;第三章介紹了逆向運動學演算法,著重講述了兩個具有實時性的演算法:循環下降法和雅克比轉置法;第四章詳細介紹了多層次b樣條原理和用其進行運動路徑編輯的方法。
  5. A new model was presented in a three dimensional geographic coodinate system to describe the linear growth of r - t instability so that the effects of magnetic inclination and declination were taken into accont. it is an generalization of former theories from equatorial to mid - latitude regions. from this model one can see the influence of magnetic strength, inclination and declination. due to the magnetic effects, the occurrence rate of the instability is not symmetric in longitudes even at the magnetic equator. some occurrence peaks or valleys will appear in certain places around the world

    從三維地理系出發建立模型,考慮了地磁傾角和偏角的影響,研究spread - f象的全球分佈特點,是對以前的研究從赤道地區向中低緯度地區的推廣。從該三維模型中可以看到地磁場的大小和位型的影響包括磁傾角和磁偏角的效應。由於地磁位型的不同,發生率的分佈並不具有經度對稱性,即使磁赤道附近也如此。
  6. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形,我們發了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線一個柱面系中表示出來,而對仿射星形曲線的情形,我們用積分方法解出了歐拉-拉格朗日方程,利用killing向量場及線性李代數s1 ( 2 , r ) 、 s1 ( 3 , r )和s1 ( 4 , r )的分類將高階結構方程降為一階線性方程,因此我們用積分完全解出了中心仿射p -彈性曲線。
  7. Using the sketch, it is now possible to tabulate the coordinates of all the nodes.

    應用草圖,可以將所有結點的移製成表。
  8. Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle

    針對三軸軸系既非甲板系又非大地系的特點,既研究了船搖對正交三軸雷達系統的影響,推導實船搖不變性的補償條件,又研究了將目大地系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系,並作出了計算機功能框圖。
  9. Based on area feature coordinate data, and constructing block cut - edge associate table, this article describes seamless unite process of cutting - area feature on embedded studio, drawing whole geographical entity smoothly

    該文面要素數據支持的基礎上,內存構建圖塊切割邊關聯索引表中,描述了嵌入式硬體平臺上快速實面狀地理要素的無縫拼接的過程,實了面狀地理實體的邏輯無縫。
  10. Starting from the generativ e procedure of conjugate curves the generator 2 and generated curve 1 ar e re garded as two bunches of spatial point sets and the 1 is being considered a s a macroscopic expression in s1 coordinate space of points, satisfying the co n dition of conjugation during the course of relative movement, on 2

    從共軛曲線的創成過程出發,將母曲線2和創成曲線1看作兩簇空間點集,認為1是由相對運動過程中2上滿足共軛條件的點s1空間中的宏觀表
  11. Based on analyzing the recent research status and future developments of error compensation techniques for cmm in the world, non - rigid errors of cmm are analyzed by means of the stress distortion analysis for components of cmm bridge - type cmm, and a new idea for die error compensation of high precision cmm is provided

    本論文分析目前國內外三測量機測量誤差補償技術研究的狀和發展趨勢的基礎上,通過對測量機構件的受力變形建模分析,詳細研究了測量機非剛性效應運動誤差,為高精度測量機誤差補償技術奠定理論基礎。
  12. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法,實了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法,準確的定位了虹膜的內外邊界;利用轉換和編碼的循環移位實了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景,去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;識別演算法方面,本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  13. This thesis primarily makes below the work of a few aspects : ( 1 ) the method that measuring and solution of the control point ' s coordinate, calculation of the point, solution of intersection with polygons, and calculation the quantity of ore reserves in a drawing file by computer technology ; ( 2 ) the theory and the method to draw the diagram of the equivalent line by establishing the abnormal triangle net, and ore blending with the diagram of the equivalent degree ' s line ; ( 3 ) the principle and method to automatically divide the ore, and the method to adjust to the quantity of ore and search the ore ' s information ; ( 4 ) adoption the line program to beg to solve the problem to ore blending, and establish the linear programming model and the simplification model with ore blending. ( 5 ) establish the control model with ore degree based on modem control theories

    本論文主要完成了以下幾方面的工作: ( 1 )利用計算機技術直接一張狀圖中,實了控制點的測量與求解、展點計算、多邊形求交以及爆堆礦巖量的計算; ( 2 )提出了通過建立非規則三角網的方法來繪制等值線圖的理論和實方法,通過等品位線圖指導配礦工作; ( 3 )提出了配礦塊段自動劃分的原理和方法,並此基礎上實礦塊礦量調整和礦塊信息查詢; ( 4 )採用線性規劃的方法求解配礦問題,建立了配礦問題的線性規劃模型和簡化模型; ( 5 )建立了基於代控制理論的品位控制模型。
  14. Based on the preliminary knowledge of color coordinate, color space and color difference, in chapter 4, we focus on the image preprocessing, that is the gamut mapping between the color paper and the crt displayed image. color correction and its realization of our lcos digital image print head are also given in this chapter

    第四章,我們重點研究的用於數碼沖印的顏色校正模塊及其實,這一部分簡要介紹色與顏色空間,色差計算公式的基礎上,將重點放數碼彩擴機目色域以及源色域色域映射方法,密度計密度空間以及色度空間映射關系,即時色度與密度空間的關系等的研究。
  15. It has some important potential applications in geodesy and geodynamics, including the definition, practical realization, and the interconnection of different reference frames, determining the geocentric positions of vlbi stations, estimation of the gravity field of the earth, and satellite orbit determination using the delay and delay rate observables

    大地測量和地球動力學方面很有應用潛力,如不同參考框架的定義、實和相互連接,利用延遲和延遲速率來進行vlbi測站地心的測定,地球重力場的估計和衛星定軌等。
  16. A very important one is the intersystem prediction and analysis of electromagnetic compatibility to the radio systems in this electromagnetic environment. this paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system. it can give assistant solution to the interference among the radio systems so as to avoid functional degradation and even failure after the systems disposed and mounted and the money and time wasting

    本文對處于陸上局部區域內的、以經緯度地理系和高程系進行定位的無線電系統間的電磁兼容性預測進行了研究,以對系統間的相互干擾情況作出預測,給解決局部區域中無線電系統間相互干擾問題的方案提供支持,以避免系統布置、安裝完成之後出相互干擾情況而使系統性能下降,甚至失效,造成資金和時間的浪費。
  17. Part one makes a research on humanism through theoretical definition and realistic inspection, which raises marxist humanism has a great superiority. part two explains the true relation between humanism and market _ economy, and reveals market _ economy connotates a kind of humanism. the last part puts forward the historical base, the realistic coordinate and concrete ways for the constructing of humanism in socialist market _ economy

    第一部分,通過史論結合的方式,對人文精神做了研究,揭示出馬克思人文精神思想的卓越性、根源性;第二部分,闡述了市場經濟與人文精神之間的真實關系,揭示出市場經濟內蘊著一種人文精神;第三部分,前兩個部分的基礎上,提出中國社會主義市場經濟下人文精神建設的歷史基點、和具體路徑
  18. Theoretically, we can calculate the transfer matrix between cube frame and robot - tool frame, because the relative position between marker cube and guiding robot is fixed. but error of mechanical interface is too serious to accomplish locking hole. we solve this problem by using neural net

    針對導航機器人的定盒與機器人之間存加工和安裝尺寸誤差,導致定盒系與機器人工具系之間轉換不準確的問題,採用神經網路方法建立轉換模型,從而規避了定盒與機器人介面的機械誤差問題,實系之間的轉換。
  19. As a highly efficient and succinct scheme, the subdivision surface has been widely used in the field of computer graphics and 3d surface modeling. to extend its application in industry, the tool path generation algorithm and simulation for 3 - axis nc machining of the subdivision surface model is studied. two interference - free tool - path generation algorithm using ball - end mills in 3 - axis machining are developed

    遞歸分割曲面建模方法因為其簡潔、高效等特點廣泛應用於計算機圖形學和曲面造型等領域,為了推廣它工業中的應用,本文研究遞歸分割曲面模型的數控加工刀位計算及模擬,實球頭刀數控加工的刀具軌跡生成和加工過程模擬,並對加工結果進行誤差分析。
  20. In accordance with the maho800c 5 - axis nc milling center which used in the manufacturer to produce cutting tools, the realizing methods of multi - axis nc machining simulation system and the interrelated key techniques have been analyzed

    摘要針對生產廠多品種刀具生產中所使用的maho800c五四聯動數控加工中心,分析實數控加工模擬系統的方法及其相關的關鍵技術。
分享友人