radius vector 中文意思是什麼

radius vector 解釋
【數、物】矢徑,輻;位置矢量。

  • radius : n (pl radii )1 半徑;半徑范圍。2 【解剖學】橈骨。3 (車輪的)輻;【物理學】輻射線;【無線電】徑...
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  1. Based on the three new supposition and the tow new mechanical tools : moment vector and radius vector, the warping theory introduced the analytical method of the rotation of a cross section around a fixed axis, so as to make the space stability of the thin - walled member complanate and one - dimensioned

    翹曲理論以三條新的假定和新建立的彎矩矢量和轉角向徑兩大力學工具為基礎,提出了繞定軸轉動的分析方法,使薄壁構件的空間變形平面化、一維化。
  2. The radius vector of each solid is always a positive length.

    每個立體的矢徑總是正值長度。
  3. According to the principle of odontoprisis ' force, the radius vector value of cam on the open - closed armature position was calculated by the means of one dimension searching method at the open - closed odontoprisis cam outline

    該方法根據咬紙牙產生咬紙力的原因,計算實際開閉牙位置在凸輪上對應的向徑值,利用計算機一維搜索方法得到開閉牙的實際位置。
  4. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數力學中矢量分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  5. The acceptability our rejection and the depiction of some content in the course " mechanisms and machine theory " is discussed, ( e. g., group dividing, solving steps of the graphical method for vector equation, versions and methods for analytical kinematic analysis, inversion design for linkage mechanisms, crank angle between the two limiting positions, design formulae for cam mechanisms, classification of combined mechanisms, formula of the radius of addendum circle of gear, balancing of machinery, etc. ) and some new opinions are presented

    摘要就《機械原理》課程的某些內容(如:拆桿組的方法、矢量方程圖解法的解題步驟、運動分析解析法的版本和方法、連桿機構的反轉法設計、極位夾角、凸輪機構設計公式、組合機構的分類、齒輪齒頂圓半徑公式、機械的平衡等)的取捨和敘述進行探討,提出一些新的看法。
  6. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。
  7. First, the normal vector of the surface was calculated using the differential geometry based on the features of an involute and a cycloid as a reference of radius of the ball milling cutter

    由於銑刀每完成一個行程后,還要進行輪廓插補,採用一種新的漸開線輪廓插補方法,並將插補軌跡換算成球頭銑刀的刀心軌跡。
  8. At the same time, for the equidistant surface in practical measurement, special search method is applied for automatic segmentation, so the normal vector of the data at arbitrary position of the space is solved, then radius compensation of probe is implement. so the return is realized from equidistant surface to real measurement surface

    針對實際測量中得到的等距曲面,採用空間搜索的方法對數據點分塊,求取了任意測量點法矢,提出了測頭半徑的補償方案,從而實現了由空間等距曲面到被測曲面的復原。
  9. In this paper, we consider the optimal parameter vector a of the modified incomplete gauss _ seidel method ( migs ). we prove that the spectral radius function of the iterative matrix t of migs with parameter vector is strictly monotonic decreasing with respect to a satisfying 0 e if the classical gauss _ seidel method converges for a z _ matrix. some properties of the left and right eigenvectors corresponding to the largest eigenvalue in modulus are given, too. these results are useful to find an optimal parameter for migs

    目前主要的方法有兩類:一是充分利用所給矩陣a的特點,採用適當的主元素選取策略,使分解出的因子盡可能地保持稀疏性;二是迭代法。對于第二種方法,迭代矩陣的選取具有決定作用。只有選取的迭代矩陣的譜半徑小於1才能保證迭代法收斂。
  10. The results show that the fighter with thrust vector have smaller radius, shorter time and better maneuver performance

    結果表明,作戰飛機帶推力矢量后,完成半筋斗和加力盤旋機動動作的空間減小,時間縮短,機動性能得到了提高。
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