模型坐標 的英文怎麼說
中文拼音 [móxíngzuòbiāo]
模型坐標
英文
model coordinate-
Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles
本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究，主要研究的內容有：利用分帶原理對深度數據進行潮汐修正，得到瞬時海面的深度數據；對測深數據進行誤差分析處理，去除野值；將多波束數據進行坐標變換及投影轉換后構建數字地理模型，進而根據海道測量規范繪制標準海圖。In this thesis, used thermocouple to sense the temperature in the space of the hearth, attributed the thermocouple based on calorifics and scientific arithmetic, acquired data by data acquiring card, processed data according to the demand of setting up temperature model and drawing graphics and then caculated the coordinates of isothermal points and normals of isothermal facets, ascertained the order of connecting points and the model of construct, drawed the isothermal facet of temperature field with opengl at last
通過數據採集板卡進行數據採集並與計算機介面進行數據處理。然後，將處理后特殊點的溫度數據依據marchingcubes演算法建立數學模型求取等溫面上的點的坐標及各點的法向量等。最後，確定計算的三維坐標點的連接順序和拓撲模型，利用opengl進行等溫面的繪制、消隱和模式變換等工作。The integral equations governing the three - dimensional viscous flow inside the turbo - machinery in the rotating coordinate system are presented in this paper, the viscous effects are simulated by the distributed body force described by professor denton j. d. the time - marching method and explicit finite volume difference scheme are employed to solve the flow inside the turbo - machinery
本文給出了相對旋轉坐標系下葉輪機械內部三維粘性流動的守恆型積分型方程組，利用dentonj . d .教授的粘性體積力法來模擬粘性對葉輪機械內部流動的影響，採用時間推進法和有限體積差分格式對葉輪機械內部的流動進行求解。First, this dissertation gives a geometrical projection - based 3d warp algorithm, which has proved the feasibility to bring the studying method of ibr into geometry models - based modeling and rendering. it is an all - purpose algorithm, which can perform coordinate warping under different projection for scene and object models, and, this algorithm can perform color warping according to lighting characteristics
演算法的提出證明了將圖像繪制的研究方法引入幾何繪制領域的可行性，演算法通用性好，對場景模型與對象模型均能夠依據不同的投影關系進行圖像的坐標變換，同時，演算法還能夠依據光照特性對象素點顏色值進行變換。Through analyses of epipolarity geometry of the linear ccd push - broom images and frame perspective images, based on the projection track method, epipolarity of linear ccd push - broom image is established and the properties of epipolarity curves is discussed, and a new epipolarity model based on the simplified push - broom sensor model is proposed. for stereo images of frame perspective and linear perspective, how to set up of epipolarity is studied in terms of fundamental matrix in computer vision, and an algorithm of epipolarity solution that only depends on coordinates relation of identical point is presented. 4
通過線陣ccd推掃式影像和框幅式中心投影影像核線理論的對比研究，利用投影軌跡法建立了線陣ccd推掃式影像的核線模型，分析和總結了它的基本特性；針對基於共線方程的簡化傳感器模型，提出了一種新的核線模型；對框幅式中心投影立體影像和線陣ccd推掃式立體影像，利用計算機視覺中的基本矩陣研究核線關系的建立，提出了一種單純依靠同名點坐標關系的核線模型解法； 4A 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
從三維地理坐標系出發建立模型，考慮了地磁傾角和偏角的影響，研究spread - f現象的全球分佈特點，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，即使在磁赤道附近也如此。The model of influence upon the parallel between servo optic axis from the angle error of installation plans presented. whereby the theoretic analysis is carried out and the analyzing results are obtained. the method of obtaining the angle error through measuring the installation plans with three - coordinates measuring device and fitting the measurement data is put forward and pave a road for lessening the influence
對安裝面角誤差影響隨動光軸平行性的問題也建立了數學模型，以此為出發點進行理論分析，給出了分析結果；提出用三坐標測量機測量安裝面，通過擬合得到安裝面的角誤差；從而為減小這一誤差源對隨動光軸平行性的影響鋪平了道路。But setting - up on the basis of being worth picture element for the three - dimensional space coordinate, it is fast to run ; free of luminance, the accuracy is high
該模型基於以r 、 g 、 b為坐標的三維空間，運行速度快;不受亮度影響，精確度高。Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced
3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床（ aocmt ） ，分析了各種運動誤差對銑磨精度的影響；根據空間齊次坐標的變換模型，推導出多軸數控加工的後置處理演算法；通過五軸數控聯動， aocmt機床能夠以法向方式加工出任意復雜的光學表面，銑磨精度穩定在8 m之內。At the beginning, the basic theory of plane measurement ? some basic elements in planar projective geometry, including 2d protective plane, homogeneous coordinates and homography are introduced. the pinhole camera model and the basic algorithm of image measurement are discussed
首先介紹了平面測量問題的理論基礎? ?平面射影幾何的一些基本元素：射影平面，齊次坐標，平面單應等，接著討論了攝象機針孔模型以及基於圖象的平面測量基本原理。The angular motion mathematical model of rotative vehicles is established in the body coordinate system and the quasi - body coordinate system
摘要在彈體坐標系和準彈體坐標系中建立了旋轉飛行器角運動數學模型。According to the designing plan, the mathematical model of spherical pendulum is more simplified in two aspects, and the results we get has the same form with the mathematical model of simple pendulum. then a rule of kinematical of pendulum in relative coordinate is gotten
本文根據方案中遇到的主要工況將球面擺的數學模型進一步簡化為兩個主運動方向上的擺動的運動微分方程，簡化結果與單擺的數學模型一致，得到了擺錘在相對坐標中擺角的變化規律。Permanent magnet synchronous motor ( pmsm ) drived by triphase sinusoidal current is research object in this paper. its mathematics models in several coordinate are set up, controlling principles of flux linkage and torque are discussed under dtc and the block diagram of pmsm with dtc is presented
本文以三相正弦波驅動的永磁同步電機（ pmsm ）為研究對象，建立了其在不同坐標系下的數學模型，並深入探討直接轉矩控制中永磁同步電機的磁鏈和轉矩的控制思想，給出控制方案。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。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。The model coordinate of the flexible appendage added to the system is the reason that cause the order of the system too high
用部件模態坐標表示柔性部件的彈性變形的引入是導致模型高階的主要原因。Study of registration pont cloud to cad model based on genetic algorithm
模型坐標歸一化研究By the software platform, figuring out the objects and the robotics projection according to the kinematics model and the coordinate transform and t our software platform is to test the validity of the arithmetic according to adjusting the distance between the two vidicons and vidicons ’ poses in the descartes space.,
設計的軟體模擬演算法驗證平臺中，通過運動學模型、坐標轉換等計算出目標物體、機器人本體的視覺投影，在一定范圍內調節目標對象在笛卡兒空間中的位姿，模擬現場工作環境。We modeled the controlled chaotic systems in neural networks with linear outputs. based on lyapunov theory and control methods of nonlinear systems, the change law of weights of neural networks and a nonlinear feedback controller are designed. the scalar output of the model can synchronize the given scalar chaotic signal
該方法通過坐標變換，利用線性輸出神經網路構造被控混沌系統的模型，並基於lyapunov理論與非線性系統控制方法，設計出神經網路權值變化規律與非線性反饋控制器，使神經網路模型的標量輸出能大范圍同步于給定的摘要標量混沖信號。分享友人