球面解 的英文怎麼說
中文拼音 [qiúmiànjiě]
球面解
英文
spherical surface solution-
This paper analyses and explains several interferential images arising from autocollimation, and lays more emphasis on the analysis of the convex with identical property to a spherical reflector, introduces the relatios between reflection images and autocollimation images, and expounds how to form to judgment about interferential images
摘要對自準值法測量時出現的幾個干擾像進行分析、解釋,著重分析了凸透鏡也具有球面反射鏡的性質,導出反射像和自準值法成像的關系,及若何判斷干擾像。The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。He also obtained similarity solutions for longitudinal and spherically symmetric motions.
他也得出了關于縱向對稱運動和球面對稱運動的類似解。Different type methods to survey height by spherical geometry
各類高程測量方法的球面幾何解釋At first, double random phase encoding techniques are looked back and its improved methods are introduced in detail. in connection with characteristics of spherical wave gene and function of phase mask, one random phase encoding techniques are proposed with spherical wave based on 4f system
本文首先對雙隨機相位加密技術進行了回顧,並對它的一些改進方案的特點作了詳細介紹,並在此基礎上,根據球面波相位因子的特點和相位掩模在加解密中作用,提出了一種利用球面波照射4f系統的單隨機相位編碼加密的新方法。Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing
文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的,因而是一個物理的關系式,故適用於圓柱坐標中各類波動方程的定解問題.作為一個例,應用於光纖光學,導出了受導簡正模和輻射模的表達式,以及各模式的強度分佈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
考慮到平面二次包絡環面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差,介紹了一種新型環面蝸桿傳動? ?球面二次包絡環面蝸桿傳動.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面方程,分析了蝸輪齒面上的接觸線分佈.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 、根據嚙合點和鋼球中心軌跡均在同一圓柱面上的特點,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、齒差數和鋼球直徑相同的條件下,正負齒差嚙合齒廓的唯一性;討論了端齒為球面擺線時,凸輪齒廓的具體表達式,並研究了該齒廓的性質。This article covers the two aspects of a globalization solution - internationalization and localization - on embedded devices
本文章將介紹嵌入式設備的全球化解決方案的兩個方面國際化和本地化。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
根據四研具體對球面研磨的包絡原理,提出了未包絡研磨區是產生殘存圓度誤差的主要因素,並探討了未包絡研磨區、四研具初始壓力誤差、研具磨損不均勻性產生的原因和對研磨殘存圓度誤差的影響及解決措施。After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice
之後測量了雲南天文臺激光的橫向能量分佈,根據相關定義確定了這束非高斯非球面激光的參數,應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化,並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ,研製出光劈解決這一問題,取得了很好的效果。A new method of solving the capacity problem is presented by using the formula of capacity for a parallel plate capacitor, with simpler calculation and more explicit physical meaning as compared with the conventional solution
摘要提出了導體系統電容問題求解的一種新方法,藉助雙球面坐標系和平行板電容公式,求出了異心球形電容器電容的解析式。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差特性,建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明,由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的;由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此,初始定向誤差和陀螺漂移的影響不能忽略,必須對其進行估計和補償In the srlois, a sphere reflector taking the place of the traditional lens is taken as the scanning optical system, the measuring range of the system is extended, and the problem of laser non - contqct measurement of larger diameter for workpiece
本系統用球面反射鏡代替傳統透鏡作為掃描光學系統,擴大了系統的測量范圍,解決了工件較大徑向尺寸(直徑)的激光非接觸檢測問題。( 2 ) to solve the limitation of the viewing range of cylindrical ibvs, we study approaches of constructing spherical ibvs, which support the observation to the ibvs from all directions. one way is based on synthetic scenes
( 2 )研究了球面虛擬實景空間的構造方法,解決了柱面虛擬實景空間中視域范圍受限制的問題,實現了對虛擬空間的全方位觀察。Abstract : several kinds of elastic floating tools were designed and made, and their virtues and defects were analysed. experimental results showed the tools structure desig n are succesful
文摘:介紹了幾種用於數控機械電解復合拋光平面、球面和小曲率曲面的彈性浮動工具,並對其優缺點進行了分析,並通過了實驗驗證。Because the equation has a strong coupling and nonlinear form, it is hard to find out a resolution. then we simplify a double lines pendulum to a spherical pendulum model and set up its mathematical model
由於它具有強耦合性和強非線性,很難求出解析解,因此又將雙線擺模型進一步簡化成為球面擺模型,並建立了相應的數學模型。Because it can be used in wide range of radii, the development of reference lens is becoming an urgent task to be solved
因其可取代球面樣板且覆蓋球面半徑范圍廣,因此它的研製成為光學測試領域急需解決的問題之一。An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors
在ccos控制模型及理論計算方面,提出了一種適用於高次離軸非球面最接近球面計算的優化演算法,經計算,某矩形離軸非球面最接近球面半徑的求解精度較傳統的「三點法」有了較大的提高,理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ;提出一種基於磨頭與工件的相對位移量的控制模型,並且開發了阻尼卷積迭代演算法,引入「虛擬加工」的概念進行迭代求解和參數評價。Based on the fresnel diffraction integral, the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed
摘要基於菲涅耳衍射積分公式,推導出了會聚球面波通過環形光闌后場分佈的解析公式,並討論了一些特殊情況。分享友人