surface error造句
例句與造句
- Moreover , aspherical surface error in sagittal plane was found , and bended beam ’ s radius r , position s of concentrated load p and length l of arc which were suited for aspherical figure accuracy of both tangential plane and sagittal plane were given
此外,本文對(duì)有限元法分析過(guò)程也進(jìn)行了簡(jiǎn)要說(shuō)明,并用有限元軟件patran / nastran對(duì)上述曲梁的計(jì)算進(jìn)行了復(fù)核。 - After online debugging and experimenting , the surface error of 0 . 35 m p - v is achieved in short polishing cycle time . this optical cad / cam integrating manufacture provides a practical approach to mass production and popularization of aspheric optics
最后在光學(xué)加工設(shè)備上聯(lián)機(jī)調(diào)試，試驗(yàn)非球面的制造，在較短的加工周期中獲得面形pv值達(dá)0 . 35 m的高精度非球面表面。 - This algorithm uses iterative contractions of vertex pairs , to simplify models and maintains surfaces error approximations using quadric matrices . we have applied these two methods to simplify models in our system and have done some improved work on the first one
后者立足于視差效果，用少量帶有紋理和透明的平面來(lái)表示原模型，這些平面是相互獨(dú)立的，不再包含網(wǎng)格的拓?fù)湫畔?，模型的幾何?xì)節(jié)和側(cè)影輪廓線也都是利用紋理和透明保存下來(lái)的。 - The reasons to choose aspherical grads method as the principle were presented . the two spheres which were gotten from aspherical grads method and least square method were analyzed by fem software , and the deviation with the wanted aspherical surface and the maximum stress were compared under same confined condition , same loading position and loading points . also , we proved that the sphere gotten from aspherical grads method has less surface error and stress after deformation
用有限元軟件分別對(duì)非球面變化梯度法和最小二乘法所獲球面進(jìn)行了分析,比較兩種球面在相同邊界條件、相同加載位置和個(gè)數(shù)下,與所需非球面的面形誤差和應(yīng)力的大小,證明了用非球面變化梯度法所獲得的球面在變形后,面形精度更高,應(yīng)力更小。 - 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(jù)這一設(shè)想,本文建立了超薄鏡的數(shù)學(xué)模型?薄殼,并提出了強(qiáng)制力作用下超薄鏡的簡(jiǎn)化模型?曲梁,推導(dǎo)了曲梁在簡(jiǎn)支情況下受力變形的撓度公式,并結(jié)合一個(gè)實(shí)例,計(jì)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(zhǎng)l 、曲梁半徑r及集中力位置s的關(guān)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(shí)滿足子午和弧矢方向面形要求的l 、 r和p 。 - It's difficult to find surface error in a sentence. 用surface error造句挺難的
- The data formats of optical design software ( code v ) and optical cnc machines are investigated . based on the function of optical design software that can output documents with file type of txt , we developed the software in visual c + + used to control optical manufacture process . the software can find parameters of curve surfaces from the documents , handle the data stream of optical design software , the technological parameters of optical manufacture machines and surface error data of talysurf , and simulate the manufacture process
研究光學(xué)設(shè)計(jì)軟件( codev )和光學(xué)cnc制造設(shè)備的數(shù)據(jù)格式，利用光學(xué)設(shè)計(jì)軟件的文檔輸出功能，采用vc + +編制一個(gè)能從上述文件中自動(dòng)發(fā)現(xiàn)曲面方程的接口，處理光學(xué)軟件數(shù)據(jù)流、光學(xué)設(shè)備工藝參數(shù)以及輪廓儀的面形檢測(cè)數(shù)據(jù)，仿真加工過(guò)程，生成用于光學(xué)加工的控制代碼實(shí)現(xiàn)非球面的銑磨和拋光，實(shí)現(xiàn)光學(xué)cad cam一體化制造。 - Gram - schmidt method for zernike polynomials fit and singular value decomposition ( svd ) are concerned . the direction question for zernike polynomials fit is discussed and the surface error in the normal direction is deduced . to solve - the coupling and mixture of zernike polynomials fit method , rigid - body displacement is removed with coordinate transformation and then fitted with zernike polynomials
介紹了zernike擬合的gram - schmidt以及奇異值分解兩種方法；論述了zernike擬合時(shí)的方向問題，計(jì)算了法線方向的面形誤差；針對(duì)zernike擬合時(shí)的藕合與混淆，采用先用齊次坐標(biāo)變換去除剛體位移，再用奇異值分解進(jìn)行zernike擬合。