誤差圓 的英文怎麼說

中文拼音 [chāyuán]
誤差圓 英文
circle of error
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 誤差 : error
  1. In this paper, the relation between differential driven ratio accuracy and the common normal length error of cylindrical bevel wheel has been found by experimental method, which provides a efficient way for cylindrical bevel wheel manufacturer to control the common normal length error of the wheel

    摘要通過實驗研究,尋找出動傳動比的精度與斜齒柱齒輪的公法線長度的關系,從而為斜齒柱齒輪的加工提供一個可以控制斜齒柱齒輪公發線長度的有效方法。
  2. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近之間的關系和等條件下的參數遞推公式,建立了通過逼近心的直線方程和心坐標計算公式.按這種方法用弧逼近平面參數曲線,不需要求解非線性方程組,避免了計算可能不收斂的麻煩,簡化了非曲線的節點計算過程
  3. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、形陣等簡單形式的相控陣天線,推導了平面陣、柱面陣等相控陣天線由相位量化引起的波束指向公式。
  4. Metrological confirmation method of standard model

    柱度及其評定方法綜述
  5. Based on the method expressing the positional uncertainty of point entities in surveying and mapping, uncertainty ellipse was employed to characterize the uncertainty region for the error dispersal of 2d target ' s position, and uncertainty ellipsoid for the 3d target. 1 - uncertainty ellipse was derived from positional error covariance

    借鑒測繪學科中衡量點元位置不確定性的方法,分別用橢和橢球來表示二維目標和三維目標的位置散布的不確定性區域。
  6. Circular probable error

    概率
  7. Assessment of departure from roundness two - and three - point methods

    的評定兩點三點法
  8. The simulation results show that coning error and sculling error can be compensated satisfactorily in the algorithms. 3

    模擬結果表明:捷聯慣導演算法能實現對姿態和速度劃船的補償。
  9. Based on the error theory of point measurement are the identifying of the error range set, sketch of the error ellipse, analysis on displacement of the monitoring sites and error detection, providing a fundamental theory infrastructure for dynamic assessment of surface displacement and gray prediction

    根據點位測量的理論,確定定值域范圍,繪出;對各監測點進行位移與判別分析,為地表位移動態分析和灰色預測提供理論基礎。
  10. In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer

    本系統由計算機控制步進電動機的運動,進而驅動指針式儀表表針的運動,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括圖像分割,閾值確定,圖像二值化,區域標記演算法,心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。
  11. First, a new locally conformal fdtd scheme suitable for analyzing bulletheaded slot is presented, with which the errors of two schemes transforming from bulletheaded slot into rectangular slot are compared. this new algorithm is also employed in analyzing an oblique bulletheaded slot in the broad wall of a rectangular waveguide

    本文首次構造了一種適合於波導頭縫隙的共形fdtd方案,應用該方案對工程上方頭和頭縫隙的轉換做了研究,並分析了傾斜組合裂縫的特性。
  12. Abstract : through the structure character of the chain pulley on the plow, this paper discusses the manufacturing principle and the gear - plane shape of the chain pulley when it is milled with cyclinder milling blade. it not only introduces in detail the structure and using method of the chain pulley surface tyre when it milled, but also analyzes gear - shape error which generates in the during milling

    文摘:就刨煤機鏈輪的結構特點論述了用柱銑刀銑削鏈輪齒面的加工原理及所形成的齒面形狀,詳細介紹了銑削鏈輪齒面胎具的結構及使用方法,並對加工過程中產生的齒形進行了分析和闡述。
  13. A measurement error of the tooth profile and tooth trace for the involute cylindrical gear ' s crowned teeth

    漸開線柱齒輪鼓形齒齒形和齒向的測量二
  14. The software has realized the techniques presented before and has other functions, such as the simulation of a disk under diametral compression, various error analysis, phase unwrapping, real - time display of image information, and so on

    附加功能還有對徑壓縮盤理論模擬模擬、各種分析、相位去包裹和圖像信息實時顯示等,它為今後進一步開發奠定基礎。
  15. 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曲線。
  16. Abstract : the hot wire anemometer and the ensemble average method are used to measure and study the dispersion turbulent transient feature in a closed cylindrical explosion bomb. the comparison of the dispersion turbulent parameters from different shapes of closed explosion bombs is presented. the relation between errors and numbers in dispersion turbulent measurement with the ensemble average metod is discussed

    文摘:採用熱線風速儀和系綜平均法測定和研究了封閉柱形粉塵爆炸罐內揚塵湍流的瞬態特性,並與球形爆炸容器內已測定的揚塵湍流瞬態特性進行了比較,對系綜平均法用於揚塵湍流的測量與測量次數的關系進行了探討。
  17. The system can test the information of work piece ' s length - fault, diameter - fault, shape - fault and surface - flaw fault simultaneously and use various appraising algorithms to test the results. thus the problem of ndc of the work piece ' s surface - flaw has been solved

    該系統可以實時快速地同時進行軸承工件的長度、直徑及表面缺陷的精密檢測,並應用幾種不同的評判演算法,得到各種的質量評判結果。
  18. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢凸輪波發生器克服了加工帶來的諸多問題,新型橢凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  19. Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on

    兩種方法均給出估計,使逼近螺線可達到任何預先給定的精確階。最後,給出球面nurbs曲線生成演算法:用球面上測地線? ?劣大弧代替直線段,將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。
  20. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究結果表明:對于本文的長形主鏡,採用正六邊形輕量化孔,鏡體結構剛性品質最好,正方形次之,正三角形最;主鏡鏡體厚度存在最佳值;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形( p - v值)越小,但同時主鏡組件的剛體位移增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。
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