曲線的弧長 的英文怎麼說

中文拼音 [qūxiàndehúzhǎng]
曲線的弧長 英文
arc length of acurve
  • 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
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Determination of length of insert transitive curve

    中插緩和曲線弧長的確定
  2. Abstract : based on the arc length formulae of the parallel to the easement curve and its property, this paper gives the parameter equations of the parallel to the easement curve takiing the arc length itself as variable

    文摘:基於緩和曲線平行線弧長公式及其性質，給出了緩和曲線平行線以其自身弧長為變量的參數方程。
  3. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量法特徵值方程（通式） ，考慮弧形鋼閘門主框架柱的柱端約束的特殊情況，求出撓曲線函數（試解函數）通解，得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。
  4. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計
  5. At present, there are two kinds of homemade domestic sewing machine s feed dog, single type and double type, when we use single type, it mainly depend the logn teeth on th eleft and presser foo tbottom to fix material. do by presser foot s shape and feed dog, it s more agility and covenient to stitch all kinds of curves and camber lives. therefore, single type have priority to be used to homemade domestic sewing machine ja and jb

    目前，國產家用縫紉機的送布牙有單長型和雙長型兩種型式.當用單長型送布牙時，主要依靠左側單排的長與壓腳板"咬住"面料.通過壓腳板的形狀和送布牙牙的配合，對各種彎曲或弧狀線縫的縫紉，就會操作靈活和方便，因此大多數國產家用縫紉機ja型和jb型優先配用單長送布牙
  6. If the geometric hermite data is from a smooth function with the arc - length parametric, the cubic ph approximates the smooth function, the error in the approximation of a short segment of length h is found

    如果此三次ph曲線插值于以弧長為參數的某一函數曲線，則可以給出三次ph曲線逼近該一小段曲線的逼近誤差。
  7. Taking practical situation of this project and much engineering experience into account, the scheme with axle golden section elliptical arc surface is proposed through comparing nine optimization schemes with model test

    結合工程實際和以往經驗，比較了9種進水口曲線型式的試驗結果，確定了長短軸黃金分割比的橢圓弧面的方案。
  8. Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k

    對于nc加工要求插值演算法沿著刀具路徑準確、有效的生成參考點序列（根據預先指定的速率函數進行分佈）的實際工程需要，本文系統地推導了變速率插值運算元的泰勒系數，給出了當路徑為ph曲線，速率v為常數，及時間t 、弧長s 、曲率k的函數時具體的插值運算元。
  9. The increment - iteration solution strategy is adopted in the nonlinear finite element analysis. arc - length method and the incremental plastic reversibility procedure are used to find the complete load - deflection curve and deal with elastic unloading occurring in elasto - plastic analysis

    有限元分析中採用增量?迭代方法，結合弧長法和塑性增量可逆的假定，可以計算出完整的荷載位移曲線，並考慮彈塑性問題中可能出現的彈性卸載問題。
  10. Pythagorean hodographs exhibit remarkably attractive properties for practical use. for example, their arc length is expressive as a polynomial function of the parameter, and their offsets are rational curves

    Ph曲線呈現出非常優良的實際應用價值，例如它的弧長可表示為曲線參數的一個多項式函數，其等距線是有理的。
  11. Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well

    本文採用與試驗緊密結合的方法，在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小電容電流、短路開斷方式5短、中、長燃弧電流過零后3ms內滅弧室二維靜電場分佈進行了分析計算；對該斷路器開斷小電容電流時近似的冷態場進行了二維模擬分析計算；在對短路開斷方式5短、中、長燃弧一維氣流場進行分析計算的基礎上進一步採用一維氣流場和二維氣流場相結合的方法，對該斷路器開斷方式5短燃弧和中燃弧對應的二維熱態場進行了分析計算。
  12. In the chapter four, extension algorithms for b - spline curves are investigated. the new step - iterative method of parameterization by accumulative arc length is proposed

    第四章研究b -樣條曲線的延伸演算法，提出了逐步累加弧長參數化方法。
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