variational curve 中文意思是什麼

variational curve 解釋
變分曲線
  • variational : 變化的
  • curve : n 1 曲線；彎曲；彎曲物。2 曲線規 （＝French curve）；【機械工程】曲線板；【棒球】曲線球；【統計學...
  1. The components of the tangential stretch mode of swtns are assigned, the variational curve of the value of ig / id changed with laser power is obtained at 632. 8nm excitation, the vibration of d mode is assigned renewedly

    對單壁碳納米管的正切拉伸模的成分進行了歸屬，在632 . 8nm激發波長下得到了ig / io值的隨激光功率變化曲線。重新對d模的振動進行了歸屬。
  2. This paper emphatically researched the problem how to calculate the intersection point between workpiece that rotated with variational angle velocity and milling cutter that moved with complicated track and rotated with high speed. furthermore it adopted the discrete curve surface method for every milling cutter, and treated image frame as the control parameter of position of milling cutter during the intersection calculation process, so the algorithm of intersection between workpiece and milling cutter was obtained. the paper also discussed further three - dimension graphic problem of manufacture process

    文中對做變角速度運動的工件和運動軌跡復雜的高速自轉中的銑刀求交問題進行了重點研究，採用將銑刀上的每個刀尖劃出的曲面離散化的方法，以圖像顯示的幀數作為求交計算過程的銑刀位置的控制參量，得出了銑刀與工件的求交演算法。
  3. Directed against the characteristic of variational high box - girder structural force, and numerical analysis of to be built bridge, taking into account construction stabilization and intension, the thesis putts forward optimal formula constructional range of isotropic box - girder thick, girder highness and underside bridge curve

    針對變高度箱梁的結構受力特點，結合實橋資料的數值分析，考慮結構穩定及強度的影響，給出了各向同性箱梁板厚、箱梁梁高和梁底曲線的優化設計公式及構造范圍。
  4. Based on the theory of thin - walled curved bar, reasonable hypothesized a third - ord parabolic curve, the paper adoptes variational method on energy, taking the coupled relationship of the effect of curvature radius, bend, torsion and shear - lag into consideration, establishes the elastic governing differential equation and boundary conditions for thin - walled curved box girders, which set the foundation of theoretical analysis of shear - lag effect in thin - walled curved box girders

    摘要文章以薄壁曲桿理論為基礎，合理地假設了三個剪力滯翹曲位移函數，應用能量變分法推導出考慮曲率半徑影響、彎、扭、剪力滯耦合的曲線箱梁彈性控制微分方程及其邊界條件，為薄壁大麴率箱梁剪滯效應建立了理論分析基礎。
  5. The paper emphasizly researches response functions of absolute radiometers, and the method of variational angle measure is corrected. the paper analyzes the function of an angle of incidence and the area in which absolute radiometers absorb the solar irradiance under considering the characteristic and principle of absolute radiometers. the function of absolute radiometers temperature raise and time is discussed, and the curve of the function is drawed by computer

    在結合絕對輻射計的結構特點和工作原理的基礎上，分析和討論了絕對輻射計接收光輻射的等效面積隨太陽光線入射角變化的函數關系式，在此函數關系式的基礎上，分析和討論了絕對輻射計接收太陽光輻射后，其溫度的升高量隨時間變化的函數關系式，並且用計算機編程畫出了絕對輻射計的溫度升高隨時間變化的曲線關系圖。
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