平曲线

词组短语

horizontal curve

与平曲线相关的网络例句 [注：此内容来源于网络，仅供参考]

Given a planar point set,the moving least squaremethod is adopted to denoise and resample it so that the resulting point set is with low noise and uniform sampling density.Then the reliable signed distance field of the preprocessed point set is constructed by using the Level Set method.Finally,an algebraic B-spline function is adopted to fit the signed distance field by solving a linear equation system.

首先给定一个表示封闭曲线、可能带有噪音且分布不均匀的平面点云，采用移动最小平方(moving least square，简称MLS)方法对点云去噪、重采样，得到一个低噪音、分布均匀的"线状"点云，再通过Level Set方法建立该"线状"点云的离散几何距离场，最后用一个代数B-样条函数光顺拟合该离散距离场，代数函数的零点集即为重建曲线。

In this paper,the B-spline curve is supposed as boundary curves,when they are in two paralled plane and two arbitrary plane,the condition about the control vertex of characteristic polygon when the ruled surface is developable are gained,solved the designing problem of degree and degree B-spline curve .Throughing (2,3) degree and (2,2) degree B-spline ,we haveproved the validity and utility of this method.

本文用两条B样条曲线作边界曲线，当它们位于两平行平面上和两任意平面上时，研究得到了由它们形成的直纹面为可展面时它们的特征多边形顶点满足的条件，解决了(n，n+1)次和次可展B样条曲面的设计问题，然后以(2，3)次和(2，2)次B样条曲面为构造实例，证明了该算法的正确性和实用性。

In this paper, the authors introduce a method of calculating transverse sight distance of a random point which belongs to plane curve.

提供了计算弯道平曲线上任意一点的视距横净距的计算方法，并在 Windows操作系统下编制了相应的计算程序。

Here, we will give an independent proof of the existence for inequality (2.1.3), and by the way, give an estimate on the width of the bi-enclosing annulus of closed convex curves in the plane. 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.

其次，对双曲平面上的曲线引入平均测地曲率的概念，并讨论双曲平面上凸曲线的嵌入性与它的平均测地曲率之间的关系，其目的是为了将双曲平(来源：ABC论84文网www.abclunwen.com)面上曲线的性质与欧氏平面中曲线的性质作一些对比；最后，我们利用Minkowski支撑函数构造了一类新的非圆的光滑常宽曲线，其目的是想回答有关常宽曲线的一些未解决问题如是否存在非圆的多项式常宽曲线？

First, in the horizontal positioning accuracy aspect of total-station instrument, point out the importance of direction, distance to correct calculation and coordinates to convert, give coordinates calculated formula of single intersection point of non-symmetry type of horizontal curve, deduce to square–error's calculated formula of horizontal coordinates and point space by polar coordinates positioning methods, and analyze the main influence factor of square–error.

首先，在全站仪的平面定位精度方面，指出方向、距离归化计算和坐标转换的重要性，给出单交点非对称型平曲线坐标的计算公式，导出极坐标定位法平面坐标和点位中误差的计算公式，并分析中误差的主要影响因素。

Analyzing side force coefficient threshold and supreme super elevation for scenic area road design aiming at the differences between scenic area road and general road at the aspects of operating speed and traffic composition,it can calculate the reasonable value of lowest radius of limit circle curve for scenic area road design.

针对风景区道路与一般公路在行车速度、交通组成等方面的区别，分析适用于风景区道路设计的横向力系数阈值、最大超高的取值，可推算出风景区道路设计极限平曲线最小半径的合理取值。

Through the example of an intersection in Zhuzhou City the paper introduces a channelization method how to make the plane curve of the skew intersection of the urban road, how to set the channelization island and turn lanes so that the capacity at the intersection matches with the capacity of the road sector.

本文通过株洲市的一个交叉口实例，介绍了如何对城市道路斜交路口作平曲线、设导流岛和转弯车道的一种渠化方法，使交叉口的通行能力与路段通行能力相匹

For the purpose to figure out location and function relations of three-dimensional syphon's unfolded curve with any bend angle, any diameter and any section, and to make integration of design and manufacturing for three dimensional big-diameter syphon, methods of engineering mathematics and analytic geometry are provided. Syphon's unfolded curve function in three-dimensional station is analyzed and built; the corresponding MATLAB procedures are compiled at the same time.

为了解决弯管在弯曲角度、直径、节数等变化时的三维弯管展平曲线的坐标位置以及函数关系问题，以实现大直径弯管的三维设计与制造的自动化、一体化，通过利用工程数学及画法解析几何的方法，分析和建立了弯管在三维状态下的展平曲线方程，同时编写了相应的MATLAB程序。

Flattest slopes compatible with weather tightness.

建筑压力导致使用较平曲线与天气紧紧兼容。

This paper not only fits the desired elastic potential energy curve to the summation curve of generated elastic potential energies by the balancer, but also provides a concrete design approach in synthesizing the four-bar linkage elastic balancers to modify the dynamics of the original system and therefore reduce actuator torque and force.

系统之弹性位能曲线常为不规则，本文提出以附加弹性平衡器之方式，不仅符合期望之弹性位能曲线，同时亦提供一套具体之四连杆及弹簧平衡器设计方案，以修正原系统之动态行为，并降低制动器输出之力矩和力量。

与平曲线相关的网络解释 [注：此内容来源于网络，仅供参考]

complex conjugate matrix：共轭复(矩)数阵

共轭复数 complex conjugate | 共轭复(矩)数阵 complex conjugate matrix | 复曲线;线丛的平曲线 complex curve

complex curve：复曲线;线丛的平曲线

共轭复(矩)数阵 complex conjugate matrix | 复曲线;线丛的平曲线 complex curve | 复数微分 complex differentiation

fi fin：挤出曲面上的曲线建立曲面

FE 'FixedLengthCrvEdit 编辑曲线但不改变长度 | FI 'Fin 挤出曲面上的曲线建立曲面 | FA 'Fair 整平曲线

French curve：曲线尺

French crepe 法国平绉 | French curve 曲线尺 | French delaine 印花毛织薄纱

minimum length of horizontal curve：平曲线最小长度

平曲线最小半径|minimum radius of horizontal curve | 平曲线最小长度|minimum length of horizontal curve | 平滩水位|flood land line water level

mean light curve：平均光变曲线

mean lifetime 平均寿命 | mean light curve 平均光变曲线 | mean longitude 平经;平黄经

principal curve：主要曲线

"主基线","primary ground line" | "主要曲线","principal curve" | "主平线","principal line"

faired curve：展平曲线

faired contour balance ==> 流线型减阻平衡 | faired curve ==> 展平曲线 | fairing ==> 整林

flat-topped anticline：平顶背斜

flat-top response 平顶响应曲线 | flat-topped anticline 平顶背斜 | flat-topped fold 平顶褶皱

flat-topped curve：平顶曲线

flat-topped culvert ==> 平顶箱涵 | flat-topped curve ==> 平顶曲线 | flat-topped pulse ==> 平顶脉冲