過坐標原點的 的英文怎麼說
中文拼音 [guòzuòbiāoyuándiǎnde]
過坐標原點的
英文
zeroaxial- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 的 : 4次方是 The fourth power of 2 is direction
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The vision sensor is fixed on the end - effector of the robot. when the robot makes a linear movement along the " v " measurement track, the linear light from the laser electropult on the sensor is projected on the track to shape laser strip with three turning dots and imaged in ccd camera. the relation between the sensor coordinate and the measurement track coordinate can be computed by image processing and pose measuring, which indirectly describes the characteristic of the robot ' s linear trajectory
該系統利用結構光幾何成像原理和視覺圖像處理技術,將視覺傳感器固定在機器人末端,當機器人沿「 v 」形測量軌道做直線運動時,傳感器上的激光發射裝置發出的線狀光源投射在測量軌道上,形成具有三個拐點的激光條,並在ccd攝像機中成像,通過圖像處理技術和位姿測量技術,得到傳感器坐標系相對于測量軌道坐標系的位姿關系,從而間接描述機器人的直線軌跡特性。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在一張現狀圖中,實現了控制點的測量與求解、坐標展點計算、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現方法,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,並在此基礎上實現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 )建立了基於現代控制理論的品位控制模型。Two amelioration methods were presented in this paper optimized schemes for the choice of assistant nodes in the construction of the local coordinate system ( lcs ) and for the combination of lcss in the construction of network coordinate system ( ncs ). it can effectively reduce the communication cost in the construction courses of lcs and ncs with no influence on the localization coverage
本文提出相應的改進方法局部坐標系構建過程中輔助節點對的優化選擇方法和全局坐標系構建過程中局部坐標系的優化合併策略,可在不影響原演算法定位覆蓋率的前提下,有效降低它在構建本地局部坐標系和合併構建網路全局坐標系這兩個主要過程中的通信開銷。Directly painting textures on top of 3d objects in 3d perspective viewport is a new issue of human - computer interface ( hci ). this paper presents a method to solve this issue. it converts the position information of the texture pixels of texture map into color information , and then transfers both the coordinates and the color of texture pixels into screen through texture mapping at the same time. only is the color information of texture pixels converted into illumination by calculating the normal and the angle of ray incidence of the screen pixel in the method. the texture coordinates are firstly converted into the color information by generating another texture map , which is called information map whose pixels ' color represents the coordinates information. and then the corresponding texture coordinates are mapped into screen reference frame by texture mapping and stored into information buffer for later use. so we can obtain the texture coordinates of screen pixels correspondingly by decoding from information buffer. after optimizing , we can paint textures on top of 3d objects in 3d perspective viewport in real time. the paper also gives some examples and related definitions of using additional information of 2d texture map for 3d graph generating
針對三維逶視投影視圖中對三維物體表面紋理直接進行噴繪,以獲得復雜紋理圖這一計算機圖形交互技術這一新問題,研究了一種將紋理圖的象素位置信息轉換成彩色信息,然後利用紋理映射將紋理坐標連同該點上的顏色值一起傳遞到與屏幕象素對應的可見點上的方法,其中顏色值依該點處的入射光線方向和表面法向被進一步轉換為光強值,而紋理坐標則被解碼后還原成與該可見點對應的紋理坐標,被存入信息緩沖器中,供以後使用,通過解碼,可根據屏幕點直接得到對應紋理象素點的坐標,經過演算法優化,實現了對三維物體表面紋理的實時噴繪;同時闡述了在三維圖象生成技術中使用附加紋理信息的應用實例以及相關定義Eigenequation about singularity, singular stress fields and electrical displacement fields near the interface edge are obtained under axisymmetric distortion. finally, a special finite element formulation which is based on the principle of minimum potential energy has been developed for determining the orders of the singularity of the singular stress fields around the singular point ( interface edge, interface corner and the interface crack ) in the bonded dissimilar anisotropic / anisotropic, piezoelectric / piezoelectric as well as piezoelectric / anisotropic materials. the numerical results show that this method is very convenient and efficient
最後,從最小勢能原理出發,在僅僅考慮奇異性支配區域這一前提下,對于彈性接合材料的平面變形問題和擬平面應變問題,以奇異點為原點分別建立極坐標系和圓柱坐標系,通過分部積分消除廠項,從而使奇異性問題的求解由原來的二維降為一維;對於三維變形問題,以奇異點為原點建立球坐標系,通過分部積分消除項,從而使奇異性問題的求解由原來的三維降為二維。After direct manipulation of radius, constant or variable radius area in mesh model can be modified quickly and exactly. using this method, rounding shape of a part or die can be directly modified on shell meshes for finite element analysis. ( 3 ) data segmentation on shell meshes is studied
對于已有的圓角過渡區域網格,根據圓角過渡特徵與基網格面的相切關系以及給定的新的圓角半徑,計算出輪廓線上各頂點對應的坐標,直接修改頂點的坐標值,保留網格模型原有的拓撲結構,使形成的新的網格與原有網格融為一體。Then the optical path difference can be obtained with psi algorithm and to use the phase value for each pixel to determine a height value for each pixel. a primary advantage of psi is its high precision. with careful control of environmental conditions, measurement precision to the nanometer scale or below is possible with psi
它的基本測量原理是,通過攝像系統( ccd )接受到的干涉圖中空間坐標已知的各個像素點的光強信號,在壓電晶體驅動參考光程有序變化時,採集到多幅干涉圖的光強信號,由移相干涉法,由光強值得到被測光程差值(位相值) 。It worked by measuring the sample with virtual axes m & m center, reversing the data measured into a data model and making a detailed modification and design before the development of new products. finally, agile virtual enterprise ( ave ) was constructed to complete the nc machining of the mouse in beijing machine tool research institute
利用該原型系統實現以鼠標零件為例的逆向工程過程,包括採用六坐標測量機獲取數據點,利用surfacer軟體實現鼠標曲面擬合,在i - deas軟體中完成鼠標實體構造等過程。This paper is composed of two parts including 5 chapters. in the first part ( including chapter 2 ^ 3 ), this paper explains an improved geometry - model method to eliminating eclipse shadow, using satellite imaging theory and projection theory to convert plane rectangular coordinates into rectangular spherical coordinates. otherwise, through studying eclipse ' s shape and size, this paper uses a math - function - model to eliminating eclipse shadow
本文共有五章,主要內容分為兩部分;第一部分包括第二、三章的內容,利用可見光雲圖成像原理以及點的投影法,將平面雲圖投影到三維直角坐標的球面上,對用於雲圖陰影訂正的原幾何模型法加以改進,得到改進的幾何模型法,並進行日食陰影訂正實驗;本文還利用數學函數模型法,通過研究月球在地球表面投射陰影的形狀及其受影響程度,從另一方面進行可見光雲圖日食陰影的訂正實驗研究。This dissertation, which lessons from and absorbs the past researches, utilizes some basic concepts and theories of sociology and culturology, bases on the positive history data as the foundation, wields the comparison method, computing method, and so forth of various methods, uses the change of the educational systems as the angle of view, sees about all kinds influence and its reason of country society at education realm and other and social realm about from 1900 to 1937, and sums up some base characteristics of the country and chinese modern mode. its purpose is to make people to put the country society and the china society since 1840 in perspective from a new the angle of view completely
本文借鑒和吸收前人研究的學術成果,運用社會學和文化學的一些基本概念和理論,以實證性的歷史資料為基礎,通過比較研究和計量研究等多種方法,從社會史角度以學制轉軌為切入點,並將之置於清末民初( 1900 1937年)的歷史坐標上,對其給鄉村社會在教育領域及其他社會領域造成的種種影響及其原因作一歷史性的考察,並進而透視近代鄉村及中國現代化模式的一些基本特點,其目的就是使人們能夠以一個新的視角更全面地認識近代以來的鄉村及中國社會。Create a new coordinate by measuring to two points. the 1st point becomes the origin and the 2nd point becomes the n axis direction
通過觀測兩已知點即可確定一新點的坐標。坐標系為:第一個點作為坐標原點,而第一點到第二點的方向作為n (軸)方向。分享友人