球面差 的英文怎麼說

中文拼音 [qiúmiànchā]
球面差 英文
spherical error
  • : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 球面 : spherical surface; sphere球面艙壁 spherical bulkhead; 球面車床 spherical turning lathe; 球面反射...
  1. Until about 1450 spherical trigonometry consisted of loose rules based on greek, hindu and arabic versions.

    不多直到1450年三角的內容由一些不嚴謹的法則組成,這此法則的基礎是希臘、印度和阿拉伯譯本。
  2. Compare the spherical aberration of refracted image of the rotational hyperboloid and the spherical surface

    旋轉雙曲折射成像的比較
  3. The second arises from the spherical aberration present in the objective lens

    第二個出現在目標透鏡的
  4. Spherical aberration analysis of refraction imaging for paraboloid and sphere

    拋物折射成像的分析
  5. 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復合加工機床( aocmt ) ,分析了各種運動誤對銑磨精度的影響;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,銑磨精度穩定在8 m之內。
  6. The convex aspheric surface has self - aplanatic capability. the range that can be utilized in practice was studied

    分析了自消方法檢驗凸二次非的實際可用范圍。
  7. On the condition of “ many - head ” and “ small drive ratio ” , the plane double enveloping hourglass worm can not settle the problem of undercutting and sharpening simultaneously. it has devoted to a new type hourglass worm _ sphere double enveloping hourglass worm. the coordinate system is established according to the frock. the meshing equation and the tooth equation of worm and gear have been developed and the distribution of contact line on gear tooth is analyzed. to evaluate the meshing quality , four meshing quality indexes and five original parameters are put forward. through mass programming computing , the relations between meshing quality and original parameters are derived and depicted by graphs

    考慮到平二次包絡環蝸桿傳動在多頭小傳動比條件下根切與齒頂變尖的矛盾很難同時解決且嚙合性能較,介紹了一種新型環蝸桿傳動? ?二次包絡環蝸桿傳動.在研究過程中,根據工裝建立了坐標系,根據一二包過程的運動關系推得了嚙合方程和蝸桿與蝸輪的齒方程,分析了蝸輪齒上的接觸線分佈.為了評價嚙合性能,提出了4項性能指標和5項原始參數,通過大量編程計算得到了嚙合性能指標與原始參數之間的關系,並以圖表直觀的表示
  8. As both the meshing point and ball ' s center are on the given cylinder, a general method for developing the cam ' s profile is studied. it is proved that the profile of positive and negative transmission is unique if the face gear, the difference between face tooth number and ball number and the diameter of ball are the same. the concrete expression of meshing cam on given spatial cycloid profile, and the characteristics of the profiles are discussed

    論文的主要工作包括: 1 、根據嚙合點和鋼中心軌跡均在同一圓柱上的特點,研究了給定端齒齒廓條件下求解凸輪齒廓的一般方法;論證了在給定端齒、齒數和鋼直徑相同的條件下,正負齒嚙合齒廓的唯一性;討論了端齒為擺線時,凸輪齒廓的具體表達式,並研究了該齒廓的性質。
  9. 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

    兩種方法均給出誤估計,使逼近螺線可達到任何預先給定的精確階。最後,給出nurbs曲線生成演算法:用上測地線? ?劣大圓弧代替直線段,將歐氏空間r ~ 3中的deboor遞推演算法推廣到上構造麯線。
  10. It advances that the non - lapping envelope region is a major fact of generating roundness errors and inquires into the effects of ball roundness with non - lapping envelope region, preliminary pressure error and lap tool wear

    根據四研具體對研磨的包絡原理,提出了未包絡研磨區是產生殘存圓度誤的主要因素,並探討了未包絡研磨區、四研具初始壓力誤、研具磨損不均勻性產生的原因和對研磨殘存圓度誤的影響及解決措施。
  11. The aspheric optical element has many merits, for example, correcting optical aberrations, improving image quality, extending range of action, simplifying system organization, reducing the cost and reducing weight

    現代光學系統中大量採用非鏡以矯正像、改善像質、擴大視場、增大作用距離、簡化光學系統結構、降低成本、減輕重量。
  12. Xin xing liang electric - optics of jilin province, co., ltd. it has evolved into a unique company, specializing in the manufacture of cylindrical lens etc. we employ some experienced engineers and technical personnel from chang chun institute of optics, fine mechanics and physics, which is part of the chinese academy of science

    鏡,光學鏡片,光學,鏡片,棱鏡,窗口片,反射鏡,透鏡,鏡,濾光片,消色吉林省新星亮光電有限公司原長春市朝陽區升光學鏡片加工部是一家專門從事光學冷加工的實體企業。
  13. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿態誤特性,建立相應的誤方程.本文採用三角形原理推導了導航定位誤與陀螺姿態誤的關系式.模擬結果表明,由初始定向誤引起的經度誤和距離誤的時間特性是周期變化的;由陀螺漂移引起的經度誤和距離誤是隨時間發散的.因此,初始定向誤和陀螺漂移的影響不能忽略,必須對其進行估計和補償
  14. This paper first researched the general situation of domestic and abroad developments in the field of ultra - precision aspheric surface machining technology and its numerical control system, analyzed the aspheric surface machining principle of ultra - precision machine, and in these bases, founded the kinematics model of ultra - precision machine in ideal condition using the homogeneous coordinate conversion method in robotics

    分析了本實驗室超精密機床非加工原理,在此基礎上應用機器人學中齊次坐標變換的方法建立了理想情況下超精密機床運動學模型,通過綜合分析超精密機床的運動誤,給出了超精密機床的誤補償模型。
  15. 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形殘( 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形要求的l 、 r和p 。
  16. In order to improve the ability of aspheric optics manufacturing, a new cnc machine named asm is developed by ciomp, and its numeric control system is presents in this dissertation. the new machine has ability to fabricate off - axis " mirrors up to lm dimension, and the accuracy can reach up to 1 / 50xrms ( a. = 632. 8nm )

    此外,文中還對新研製的六軸聯動「 asm數控非加工中心」的控制系統進行了介紹,並專門介紹了加工中心在線輪廓測量單元中測量誤的補償模型,以及與加工中心配套的控制軟體asm1 . 0的編制情況。
  17. To eliminate or lessen the system errors caused by the offset and slope of the thin aluminum sheet when measuring its surface, and to avoid over - cutting while machining the honeycomb surface, the saddle - point programming is applied to the position optimization of the theoretical surface. to generate the cnc program of the honeycomb sandwich, the equidistant calculation of the actual surface is produced and the data processing software is developed

    利用鞍點規劃方法優化理論橢的位置,使實測曲相對理論橢的最大法向誤達到最小,減少或消除了蒙皮內表測量時由於定位的偏心或歪斜引起的系統誤,使誤均化,防止了配對加工蜂窩夾芯表時少切或過切現象的發生。
  18. The outside diameter of the self - contained bearing is spherical to match corresponding spherical inside diameter of the housing providing self - aligning between these two members, which compensates for misalignments of the units resulted from errors in mounting and distorting of the foundation

    軸承的外徑與軸承座內徑為配合,兩者之間具有自動調心功能,可補償因安裝誤產生的軸線不重合及安裝底的變形。
  19. 2. the splitting method, enclosed planetary transmission sketch method and structure sketch method are used to deduce the transmission ratio formulas on several structures of the single - stage and double - stage spatial - cycloid - ball gearing respectively. further more, the simplified calculating formulas on one - tooth - difference and two - tooth - difference spatial - cycloid - ball gearing are given

    2 、分別運用拆分法,封閉行星機構的傳動簡圖和結構簡圖推導出單級和雙級的多種結構的傳動比公式,並給出一齒、二齒擺線鋼傳動機構減速比的簡化計算公式。
  20. " misalignment error ", which is caused by misalignment during null test adjustment, together with fabrication errors is shown in test results, and it is important to separate these two errors so that the test results can be used in ccos process. asic software is developed for eliminating nonlinear error and separating misalignment error, and a high accuracy, suitable format data file is generated by asic for further analysis for ccos process

    在非測量技術方,主要針對零位補償檢驗過程中測量坐標的「非線性誤」的形成原因及其補償演算法由光學調整量引起的測量誤以及調整量誤的擬和方法等問題進行了討論,並編制了相應的干涉檢驗數據處理軟體asic ,干涉檢驗結果經分析、處理后能夠滿足ccos的技術要求並指導加工。
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