geometry error 中文意思是什麼
geometry error
解釋
幾何結構誤差-
Our test with mock samples shows furthermore that one can discriminate among such models already with currently available observational samples ( if the measurement error of the redshift is negligible ) which have a typical error of 80kms - 1. the error will be reduced by a factor of 2 if the samples are increased four times. we also show that an errroneous assumption about the geometry of the universe and different infall models only slightly change the results
結果表明： （ 1 ）若用現有的觀測樣本（特徵誤差為80kms ~ （ - 1 ） ）我們已經可以限制星系形成模型，而如果樣本容量增長到4倍，誤差將減半； （ 2 ）錯誤地假設宇宙幾何和星系平均內落對結果只有微弱的影響。 -
According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced
深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案，提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法，即基於householder變換求解法和基於gram - schmidt正交化求解法，用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。 -
Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve
建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型，通過對非線性方程組的迭代求解，得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數，得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形，並求得了瞬時傳動比的誤差曲線。 -
A integrated algorithm of ambiguity resolution is proposed. by using triple carrier phase, integer gauss transformations, qr factorization, cholesky factorization, and geometry constraint, the correlation between ambiguity components is reduced, and more error ambiguity can be discarded, also process of ambiguity searching getting rapidly. the ratio test combining constraint of baseline is used to fix ambiguity rapidly
利用三差最小二乘求解模糊度浮點解，然後採用整數高斯變換降低模糊度分量間的相關性，再根據qr分解和基線幾何約束減少需搜索的模糊度組合，採用cholesky分解在搜索過程中及早淘汰不正確的模糊度組合，最後利用ratio檢驗與基線幾何約束條件相結合檢驗模糊度組合，盡快固定正確的模糊度。 -
Based on the 3d geometry vision, using java3d, for each of worktable and sine welding seam part of sheet, the ve modeling experiments achieve the construct of macrostructure, security virtual thickness and virtual guide based on error, and accomplish the space restriction of robot running. via the structured laser sensor ’ s getting three - dimension information, the experiments achieve the modeling of sine welding seam part of sheet by using programming
在立體視覺傳感系統獲得三維信息的基礎上，利用java3d建模技術，分別對工作臺、薄板正弦曲線焊縫工件進行建模實驗，完成了虛擬環境中宏觀環境模型的建立，並根據誤差建立了安全虛擬厚度和虛擬向導，完成了對機器人運動的空間約束;通過結構光傳感器獲得三維信息，編程實現對薄板正弦曲線焊縫模型的建立。 -
( 2 ) by using the methods of analytic geometry and mbs and parameter measure map along x - axes by 9 - line distinguish method, the formulas for correctly identifying the error parameters have been established
（ 2 ）針對sk - 21數控磨床開展誤差參數檢測實驗，通過現場測量，獲得凸輪工作臺直線運動誤差和旋轉誤差數據，運用9線辨識法進行分析，經數學處理后為補償程序提供必要數據。 -
The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。 -
The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed
根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。 -
By analyzing the inter - satellite measurement net of walker constellation at some time in geometry and numeric, the correction of system error and random error caused by the change of orbit elements using different type of estimation of inter - satellite measurement net was provided quantitatively
並通過對walker星座某一時刻的星間觀測網進行幾何分析和數值分析，定量給出了利用不同類型的星間觀測網對軌道根數變化引起的系統誤差和隨機誤差的修正情況。 -
The dimensional globoidal indexing cam mechanism, as a result of the steady movement, accurate, the transmission ceaseless and is suitable for high speed indexing and precise indexing. now it is the most ideal high speed precision indexing mechanism in the world, and it is being widely applied on each kind of automaton and the production line, this mechanisms prospect of application is broad, arouses the people enormous interest. but the examination of the globoidal indexing cam mechanism is a quite weak link, the manufacturers don ’ t give the examination because of the difficulty of the geometry shape error examination of the cam contour
空間弧面分度凸輪機構，由於運動平穩、準確、傳動無間隙而適用於高速分度和精密分度，是當今世界上最理想的高速精密分度機構，正被廣泛應用於各種自動機和生產線上，該機構應用前景廣闊，引起人們極大的興趣，而弧面分度凸輪機構的檢測是一個比較薄弱的環節，一般生產廠家由於凸輪輪廓幾何形狀誤差檢測困難而不予檢測，因此本試驗臺的研製具有極其重要的意義。 -
The localization principle of bistatic sonar is given and the gdop ( geometry dilution of precision ) which used in bistatic radar for describing the localization error has been cited in bistatic sonar
在對雙基地聲吶定位原理和定位誤差分析的基礎上，提出了用定位精度的幾何解釋（ gdop ）來表徵雙基地聲吶定位誤差的方法。 -
Shiphandling simulator is a device that can partly imitate the true environment at sea ， and is specially designed to satisfy marine education and trains and maritime research etc. one of its key techniques is to create the virtual environment at sea ， and the terrain is its important component. according to the needs of the real time visual display of the shiphandling simulator ， this paper analyses the requirements of the geometry precision of the important islands and background hills which are within the ships ' visible scope ， and brings forward the modeling methods of the hill ' s pileup and the hill ' s silhouette edges based on contour lines. it also presents the definition of error that the hill ' s silhouette edges graph has been given and the effective scope of application ， and firstly established the error criterion of terrain model that is built in shiphandling simulator. with these two kinds of method ， the size of data storage can be minimized greatly ， and the requirements of high update rate and geometry precision for the real time visual display of the shiphandling simulator can be satisfied
船舶操縱模擬器是一種能夠部分模仿海上真實情況，專門為滿足航海教育與培訓、航海技術研究等目的而設計研製的裝置，其核心技術之一是海上視景模擬，而地形地貌是海上視景中的重要組成部分.根據船舶操縱模擬器實時視景顯示的需要，在分析航行船舶對可視范圍內重要島嶼與背景山脈的幾何精度要求的基礎上，提出了基於等高線的山形堆積建模和山形輪廓建模方法，並給出了山形輪廓圖形的誤差定義、有效適用范圍，以及船舶操縱模擬器中地形建模的誤差準則，該方法生成圖形的數據量較小，其圖形更新速率與幾何精度能達到船舶操縱模擬器實時視景顯示的要求 -
Scaling - up of patch model is necessary in the calculation of surface energy fluxes and evapotranspiration from remote sensing data. the simulation error of two - layer model caused by sub - pixel heterogeneity and discontinuity of surface geometry and physics were investigated using a number of data experiments
論文還分析了蒸散模型的空間尺度效應，通過一系列的模擬實驗檢驗了雙層模型中國科學院遙感應用研究所博士學位論文在不同地表非均勻狀態下的尺度誤差，並且根據通量尺度擴展的基本法則推導了雙層模型參數的尺度擴展公式。 -
The multiresolution models for terrain texture data and geometry data are matched with each other : to achieve the goal of real time visualization, our framework selects geometry and texture patches based on the screen - space error criteria conforming to the current viewpoint
無論是幾何模型還是地形紋理均進行了多解析度組織，並且根據它們在屏幕空間的簡化誤差實時選取兩者恰當的解析度。 -
Mesh simplification with geometry and attribute error based on edge collapse
基於幾何和屬性誤差的邊折疊網格簡化演算法 -
The second time development of siemens 840d oem software is done and the hmi for cnc camshaft grinding is established. based on the theory of interpolation together with the geometry character of camshaft, this thesis deduces the camshaft interpolation algrism and analyses the error, while at the same time some research of the constant linear speed grinding for camshaft is done to meet the requirements of high precision and high efficiency
本文對西門子840doem軟體進行了二次開發，建立了全數控凸輪軸磨削人機界面。根據插補演算法的原理並結合凸輪軸的幾何特性，本文推導了凸輪軸磨削插補演算法並進行了插補誤差分析，同時又對凸輪軸恆線速度磨削數學模型進行了研究，完成了凸輪軸磨削的軟體演算法以滿足高精度、高效率的凸輪軸磨削要求。
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