正確坐標 的英文怎麼說

中文拼音 [zhēngquèzuòbiāo]
正確坐標 英文
correct coordinates
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • 正確 : exactness; correct; right; proper; rightness; rectitude; validity
  1. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。
  2. During the evaluation method for the precision of missile aiming on the sea, setting up test structure system, confirming demand coordinate, putting up installation and calibration to test frame of missile silo, in the course of navigating, it was analyzed and calculated the direction error that brought by the incorrectness of the position of longitude and latitude

    在海上瞄準精度鑒定方法中,建立了試驗構建體系,定了必要的系,對彈筒試驗支架進行了裝調、校和實際定。對艇在航行過程中,由於艇的經、緯度不準而帶來的定位誤差的影響進行了分析與討論。
  3. A reasonable method to adjust observed coordinate value is put forward for total powerstation traverse in this paper. its validity and feasibility are proved by example

    本文依據誤差理論,針對全站儀導線提出了一種合理的對其觀測值進行平差的方法,並用算例驗證了該方法的性與可行性。
  4. We fhd that the energies have the following important properties : ( 1 ) the energies are positive and monoton - ically decrease to their arnowitt - deser - misner ( adm ) masses at spatial infinity ; ( 2 ) the energies have the correct newtionial limiting, and include the binding energies from the gravitation ^ electrostatic charge and dilaton charge, respectively ; ( 3 ) martinez ' s conjecture is valid for such black holes

    結果表明該能量具有如下幾個重要特徵: ( 1 )該能量是定的,且隨徑向單調遞減,在無窮遠處為黑洞的adm質量; ( 2 )該能量具有的牛頓極限,並包含有分別來自於引力、靜電荷和伸縮子荷的束縛能; ( 3 ) martinez猜測對這些黑洞依舊成立。
  5. Errors of graphs presented in forestry papers and their correction

    林業科技論文函數圖橫值的幾種錯誤及表達
  6. It is this assumption that allows us to plot the past positions of plates and continents in absolute latitude and longitude coordinates

    是這個假設,才使我們能夠畫出具有定經緯度的板塊和大陸過去的位置。
  7. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。
  8. In order to accurately analyze the error in the non - orthogonal coordinate measuring system, the circular cylindrical coordinate measuring system is discussed first and the formula of its number of errors is computed, and then it extends to the non - orthogonal coordinate measuring system of n dimensions arms of robots, and build its error compensation modal, which is proved to have high precision

    為了分析非系機械繫統的誤差情況,本文先以柱系測量系統為例。分析了引起測量系統示值誤差的各種機構誤差。並且分析得出其誤差項數的計算公式,然後推廣到n維機器人手臂結構的非系機械繫統,建立其誤差補償的數學模型。
  9. An error compensation modal of non - orthogonal coordinate measuring system is built in this paper, in which completely new thought is taken out : using the natural coordinate system combined with the spherical coordinate system to analyze the errors of non - orthogonal coordinates measuring system, in the result, it makes things simpler and not only find out the number of errors and the factors resulted in the errors, but also build the error compensation formula completely, which perfects the study of non - orthogonal coordinate measuring system " s errors

    本文建立了非系機械繫統的誤差補償模型,提出了一種新的建模思想:在使用球系的同時,巧妙結合自然系。從而大大簡化了問題的難度,不僅地分析出非系機械繫統的誤差項數、各誤差項的來源,還成功地建立了誤差補償公式,完善了對于非系機械繫統誤差的研究。
  10. 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性,為將來基於無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和普爾欽( purkinje )斑點的,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。
  11. Taking the characteristics of road and bridge engineering into account, this paper makes systematic analysis and study on applications of static gps in data processing of surveying in road and bridge engineering : the feasibility of using single point positioning result as starting point is studied and the influence of it on baseline solution is discussed ; on account that the software provided along with instrument by vendors usually does not support coordinates in the independent engineering coordinates system from gps observations, a simple and effective method is represented for the gps data processing in the independent engineering coordinates system and is programmed. through real examples the method and programs are testified ; from gps surveying the wgs - 84 coordinates are acquired, while in reality coordinates in local coordinate system are needed, so conversion from wgs - 84 coordinates to local coordinates is necessary

    結合路橋工程的特點,對靜態gps在路橋工程式控制制測量中的數據處理作了系統的分析和研究: ?對單點定位結果作為起算點的可行性進行了研究,並探討其對基線解算的影響; ?鑒于商家提供的隨機軟體往往不支持利用gps觀測得到工程獨立系中,為工程獨立系gps數據處理提供了一種簡便有效的方法,並編制了相關的處理程序,通過實例驗證,程序是的、方法是可行的; ? gps測量得到的是wgs - 84,而實用上需要的是地方,因而得把wgs - 84轉換地方
  12. In this paper we made a systemic analysis and study of the accurate orientation technology in the process of helicopter landing - photogrammetry, made the model of using double ccd to measure the exact position of helicopter based four latent points photogrammetry, educed formula about beaconing position, analyzed the computing error, and particularly computed the information of beaconing position of the helicopter ' s landing by experiment emulation. in the result, the error between a computed value and a measurement value was less than 5 centimeters

    本文對直升機著艦精定位技術中的攝影測量演算法進行了系統分析和深入研究,在四特徵點測量演算法基礎上建立了雙ccd攝影測量直升機精位置的數學模型,進一步從各個影響演算法測距精度的方面討論了計算誤差,推導出測量信位置的計算公式,並對利用雙攝影測量演算法計算直升機著艦掛鉤位置的性及準性進行了模擬實驗,得到的演算法計算值和實驗測量值之間的誤差在5cm以內。
  13. The new algorithm starts from an initial estimate which is based on the hough transform, and a rectangular window is centered using the current line approximation, and a new line estimation is generated by making a total least squares fit through the pixels contained within the window. this is repeated until convergence is reached. lastly, we have suggested a new technique which may recover the motion and structure parameters of a moving object by using of 21 optical flow lines based on the optical flow fields of the feature line this thesis is the project supported by aeronautical foundation science ( no. 99f53065 ) and research center of measuring and testing technologies, and control engineering in nanchang institute of aeronautical technology ( no. 2001 - 15 )

    演算法的思路是:首先,在小區域內運用霍夫變換定直線的初始值;其次,以直線的初始值所對應的直線為中心線,建立一個矩形框;最後,利用矩形框內所包含的邊緣點數據不斷地迭代直至收斂,從而達到進一步修直線的參數;本文基於特徵直線的光流場,即線流場,建立了一種利用21條光流線定空間三維物體旋轉運動參數、平移運動參數以及對應的空間直線的線性演算法。
  14. Perspective correction is a process of interpolating texture coordinates prior to sampling a texture so that a polygon that is angled away from the camera is stretched correctly for the apparent depth of the polygon

    透視修是一種在對紋理進行采樣之前對紋理進行插值計算的過程,這樣,對于偏離鏡頭方向一定角度的多邊形,才能使其在視深范圍內伸展。
  15. First, by using coordinate rotation, we have discussed the computer - generated hologram composed by planar object whose plane does n ' t run parallel with that of its hologram. second, through coordinate transform, the computer - generated hologram of curvy planar object has been discussed again, in which, conformal map in computer graphics has been creatively applied, and generated the computer - generated hologram of simple curvy plane ( e. g. spherical surface ) ; also, in this section, the correctness of transformation has been confirmed by numerical reconstruction

    首先利用旋轉討論不平行於全息面的平面所構成的物體的計算全息圖:接著採用變換討論曲面物體的計算全息圖,創造性地將計算機圖形學中的共形對應原理運用到計算全息中,生成了簡單曲面(如球面)物體的計算全息圖,並用數字重現驗證了變換的性,為今後復雜三維物體的計算全息圖的研究奠定基礎。
  16. For the first time, the internal gear is measured on three - coordinate measuring machine, gear error of internal gear is calculated and analyzed by comparing the measuring data with the desired data. the result of analyzing reveals the correctness of math model and manufacturing method

    首次在三測量機上實現了中心輪內齒圈齒形的檢測,並把檢測數據與理論數據進行比較,求出了中心輪內齒圈的齒形誤差,通過對齒形誤差的分析,證明了以上數學模型是的,加工方法是可行的。
  17. For displaying the initial date aquired from sea chart correctly in three different display modes ( relative head up motion, relative north up motion, true north up motion ), a series of coordinate conversion are necessary. in the second chapter, data structure and various coordinates conversion are discussed in details

    要使從海圖錄入的原始數據能夠在3種不同的顯示方式(船首向上的相對運動顯示方式、北向上的相對運動顯示方式和北向上真運動顯示方式)下的顯示出來,必然要在幾個系(圖板系、屏幕系、平面直角系和地理系)中進行一系列的變換。
  18. During conversion, the conversion models determined by datum transformation and errors from the gps computation by incorrect coordinates of the reference station under wgs - 84 datum will surely have influence on datum transformation

    進行轉換時,由基準轉換定的轉換模型和參考站不是wgs - 84基準下的正確坐標所致的gps計算誤差,必將對基準轉換產生影響。
  19. The information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method

    摘要利用變換法證明了一般三維塑性流動問題任意點應力狀態,可以完全由三維最大剪應力跡線上的信息定,進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線應力的變化規律。
  20. Abstract : the information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation, then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method

    文摘:利用變換法證明了一般三維塑性流動問題任意點應力狀態,可以完全由三維最大剪應力跡線上的信息定,進而利用共斜面法給出了三維塑性流動問題沿最大剪應力跡線應力的變化規律。
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