second-order curve 中文意思是什麼
second-order curve
解釋
二階曲線-
An analysis of the uniformity between the curve of second order ' s affine nature and the related nature in analytic geometry
論二階曲線的仿射性質與解析幾何中有關性質的一致性 -
The second order regressive polynomial was determined by the curve and the value of ctod was estimated furthermore
可以使一組沒有規律的數據，成為一條光滑的曲線。 -
Second order polynomial regression mathematical model treatment of flow capacity - lift head property curve of centrifugal pump
揚程性能曲線的二階多項式回歸數學模型處理 -
Second, the author introduced a new stability region, and programmed a trajectory of variable zmp, which was defined as a cosine curve ; the author also designed a cog - compensated method to keep the cog ’ s height ; based on dynamics of 3 - d inverted pendulum, the author educed the cog ’ s trajectory equation of the robot in the three - leg - support phase, and used third - order splint function to ensure the acceleration continuity of the robot ’ s cog in the four - leg - support phase. at last, walking patterns of the corresponding gait are generated through programmer design
然後，提出了一種新的支撐區域選取方法，採用了按餘弦規律變化的zmp運動軌跡;為了維持機器人行走時重心高度不變，採用了一套有效的質心高度保持方法;基於三維倒立擺模型，推導了機器人三腳支撐期質心運動軌跡方程;採用三次樣條曲線插值規劃了四足支撐期加速度連續的質心運動軌跡。 -
Secondly, in this part, we will introduce the notation of average geodesic curvature for curves in the hyperbolic plane, and investigate the relationship between the embeddedness of the curve and its average geodesic curvature. finally, we will employ the minkowski ' s support function to construct a new kind of non - circular smooth constant breadth curves in order to attack some open problems on the constant width curves ( for example, whether there is a non - circular polynomial curve of constant width, etc. ) in the second part, we will first follow the ideas of gage - hamilton [ 28 ], gage [ 26 ] and the author ' s dissertation [ 47 ] to present a perimeter - preserving closed convex curve flow in the plane, which is from physical phenomena
其次，對雙曲平面上的曲線引入平均測地曲率的概念，並討論雙曲平面上凸曲線的嵌入性與它的平均測地曲率之間的關系，其目的是為了將雙曲平面上曲線的性質與歐氏平面中曲線的性質作一些對比；最後，我們利用minkowski支撐函數構造了一類新的非圓的光滑常寬曲線，其目的是想回答有關常寬曲線的一些未解決問題（如是否存在非圓的多項式常寬曲線 -
In order to study the photochemical activity of the product further, this dissertation, taking methyl orange as a deputy of organism, has studied the relation between the concentration of the organism and the reactive time during the process of light degradation, and, on the basis of the relation, the kinetic process of the photocatalytic degradation was achieved by the treatment on the curve of the organism concentration to the reactive time : zero order reaction of the high organism concentration, first order reaction of the middle organism concentration, second order reaction of the low organism concentration
在產品對有機物的光降解方面，本文主要以產品光降解甲基橙溶液為例，研究了光降解過程中，有機物濃度與時間的關系。並在此基礎上，對有機物濃度與時間的曲線進行了動力學處理，得出產品光降解甲基橙的動力學過程分為三步，摘要即:高濃度時的零級反應、中等濃度時的二級反應和低濃度時的一級反應。 -
Then an important property is obtained : when a - 0, the first order derivative of the degree 3 c - b zier curve is that of the degree 3 bezier curve, aber the second order derivative of the degree 3 c - b zier curve has no the property
Zier曲線導矢的一個極限性質：當0時，三次c - b ? zier曲線一階導矢的極限為同次b ? zier曲線的一階導矢，並指出了該極限性質對c - b -
In the third part, the applications of the second and third order hilbert curve in the design of pattern - reconfigurable antennas are presented
第三部分主要介紹了hilbert三階和二階分形曲線在可重構天線中的應用。 -
In addition, based on the second order hilbert curve, some modifications have been done. with different kinds of substrates, the pattern - reconfigurable antennas and the broadband directional antennas are designed
第四部分，針對hilbert二階分形曲線並做一定的改進，利用不同的介質材料，設計出方向圖可重構平面天線以及寬帶的定向天線，完成了部分原理性實驗。
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