曲線的平面 的英文怎麼說
中文拼音 [qūxiàndepíngmiàn]
曲線的平面
英文
plane of curve- 曲 : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 的 : 4次方是 The fourth power of 2 is direction
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 面 : 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...
- 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
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Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response
文摘:利用有限單元法分析了道路結構的r面波傳播特性:在深度方向上衰減較慢,傳播較深,波動性大.提出了在道路結構動力響應計算中,利用面波來模擬水平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性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誤差之間的關系和等誤差條件下的參數遞推公式,建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓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,簡化了非圓曲線的節點計算過程He then treated the evolute of a plane curve.
然後他討論了平面曲線的漸屈線。Therefore, the method of screen spreading is presented herein with the following basic feature : taking the surface of the perpendicular line at the end of the distortion and bottom as the datum plane, move the controlling point of every distortion part to the datum plane with the principle of changeless of geometry size, and then the spreading is formed
為此提出一種屏幕展開方法,此方法的基本要點是,以扭曲面末端垂直線和底部起坡線所在的平面為基準面,將扭曲面各分塊的控制點按幾何尺寸不變的原則搬到基準面,即可形成展開圖。The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum
第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功率譜的擬合曲線的平均斜率來判斷刀具的磨損狀態。His plan is to drop perpendiculars from each point of the curve upon two planes intersecting at right angles.
他的計劃是:從曲線的每個點處作線段垂直於兩個互相垂直的平面。The electro - magnetic telegraph was the wonderful and most unexpected consequence of the experiments of oersted and the mathematical investigations ofampe : and the modern art of navigation is an unforeseen emanation from the purely speculative and apparently merely curious enquiry, by the mathematicians of alexandria, into the properties of three curves formed by the intersection of a plane surface and a cone
電報是奧斯忒的實驗和安培的數學研究最出乎人預料而令人驚異的結果;現代航海技術則意外地產生於亞歷山大的數學家們對由一平面和一圓錐相交所形成的三條曲線的性質進行的純粹思辯性的、顯然僅僅是出於好奇的探索。By using visual basic 5. 0 language, activex automation interface, the oop technology and developing autocad 2000, the system not only can achieve the horizontal design and the vertical design of three - legs and four - legs intersection at the tangent section and the curved section, but also can calculate earthwork based on digital terrain model
本系統以vb5 . 0為開發工具,採用面向對象的編程方法,利用activex自動化技術,通過對autocad2000的二次開發,可以進行處于直線路段、曲線路段的三路、四路交叉口的平面設計和立面設計與繪圖,完成基於數字地面模型的工程數量計算。A new method for obtaining points from plane curve interpolating by arc
一種新的平面曲線圓弧插補節點獲取方法In order to obtain the image of absolute point, we design two kinds of planar model. and they are equilateral - polygon planar model and planar model that containing more than two circles
為了從圖像中獲得圓環點的圖像,我們設計出二類不同的平面模板:正多邊形平面模板和包含二條以上圓曲線的平面模板。Abstract : the paper introduced calculation of plane cam curve detailly and compiled nc programs with the apt that ran good and imitated its pattern. the author analysed error of the program and its controls
文摘:詳細地介紹了平面凸輪曲線的計算方法,分析了編製程序誤差及其控制辦法,並用apt國際標準語言編制出平面凸輪的數控加工程序,該程序順利通過運行並進行圖形模擬。It is built using graphical technology of geographic information system and can be used as the graphical plate for power system software, making the operation and the management of the devices easy and intuitionist, and the analysis of network topology more automatic and accurate. in the aspect of the calculation of loss, this system calculates the loss of the active power and reactive power, forms the result in the database considering the differences of load - curves at every node, and allows the property or queries loss of the devices using graphic interface
它以地理信息系統( gis )的圖形化技術為基礎,為電力系統軟體架設圖形化平臺,使設備的操作、管理更加直觀,使電力系統的網路拓撲分析程序更加自動化、準確;在線損計算方面,考慮了各負荷節點負荷曲線的不同,可以從計算結果中分別統計有功損耗和無功損耗,也可以方便的在配網圖上對各種元件進行屬性查詢,損耗查詢等。Among railway line ' s plane design parameter, the minimum radius of curve, transition curve ' s type and length, straight line between two curves, centre - to - centre distance of track are key factors which confine railway to bringing up speed, moreover these factors among maglev railway request even more strict
由於高速磁懸浮鐵路採用了非接觸式的行車技術,舒適性將得到很好的改善。鐵路線路平面設計參數中,最小曲線半徑、緩和曲線長度、夾直線長度、線間距離是限制列車速度的關鍵因素,高速磁浮鐵路同樣如此。In this paper, it s applications were explained from seven different fields, the common zeros of two polynomials, the multiplicities of roots and the discrimination of a polynomial, searching the equations suitable for a algebraic number, implicating a rational curve over the plane, computing the zeros of a nonlinear algebraic equation and gathering the discrimination surface of the sas in automated theorem proving on inequalities
本文從7個方面闡述了結式的應用,包括判斷2個多項式的公共零點,判定多項式是否有重根,計算多項式的判別式,尋找代數數滿足的方程,平面有理曲線的隱式化,非線性代數方程組求解和不等式機器證明中半代數系統邊界曲面的獲得等。So we can complete the kinematic analysis of the cam mechanism by the analysis of the corresponding assur - group. based on the method, this paper deals with plannar disc - cam mechanisms with different types of followers. the main points of this paper are as follows
基於桿組的分析方法,本文圍繞各種類型從動件的平面盤形凸輪機構做了如下工作: 1 .根據凸輪機構的檢測數據利用三次周期樣條函數插值法對凸輪實際廓線進行曲線擬合。In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced
論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法,運用圓向量函數建立代換機構的位移、速度、加速度矢量方程式,求取虛擬連桿桿長和方向,由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解,並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed
首次對生土建築材料物性參數進行了實驗測試,得到了常用生土建築材料的密度、比熱和導熱系數等參數值,得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式;此外,研究了生土建築圍護結構表面質交換系數實驗測定方法,探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。Aim at lacking a kind of method for drawing intersecting lines efficiently in the petrochemical engineering construction, invented a kind of compasses that can draw the opening curve on the non - flat container wall
摘要針對石油化工設備建造中,缺乏一種高效的器壁開孔畫曲線方法的問題,研製了一種能在非平面器壁上畫開孔曲線的畫線規。Placement outline curves are not planar. floor outline curves are not planar. top outline curves are not planar
如果要求將輪廓曲線投影到與曲線的平面垂直的面上,並且曲線不是平面的,則顯示以下消息。At first this paper pointed out a technique of solution about cylinder ' s parameter equation, and also introduced a technique of solution on the parameter equation of sapce curve ' s projection on the flat surface, which made application more convenient
摘要首先給出了柱面參數方程的求法,從而也給出了空間曲線在平面上的投影曲線參數方程的求法,使應用更加方便。分享友人