查询词典 asymptotic curve

The paper discusses a generalized non-autonomous discrete relaxed system in time optimal control with generalizing the target constraint from the point curve to convex set hyper curve.

本文讨论了一类广义非自治离散松驰系统的时间最优控制问题，将R中点曲线的目标约束推广为凸集值函数的超曲线约束。

To use linear program, we have to take care of two problems. The first problem is that the actual relationship between intensity and duration is nonlinear convex function. In this study, we propose to use piece-wise linear curve to approximate the nonlinear convex curve. The second problem is that there are many feasible event sequences.

使用线性规划遭遇的困难有二：第一，作业强度与作业时间呈非线性之凸函数关系，因此本研究将使用片段线性曲线(piece-wise linear curve)近似作业强度与作业时间呈非线性之凸函数关系；第二，专案有很多组可能事件顺序，事件顺序的不同会产生不同的资源限制式，本研究提出一个系统化的方法求解问题。

Under this flow, the convex initial curve will preserve its perimeter, enlarge the enclosed area and make its curvature to be positive definitely. And as the time lasts, it will become more and more circular, and finally, as the time goes to infinity, the curve will converge to a circle in the Hausdorff metric.

本文证明在这种新的曲线流之下，闭凸曲线周长保持不变、所围区域的面积不断增大而曲率保持恒正，并且，随着时间的推移曲线变得越来越圆，最终当时间t趋向于无穷大时，曲线在Hausdorff度量意义下收敛到一个圆周。

A human model using polynomial convolution surface is presented which is modeled by articulated skeletons convolved with some kernel function. The convolution surface and curve correspondence theorem under orthogonal projection is presented. The human contour is approximated with a convolution curve and 3D human pose can be estimated using a nonlinear optimization algorithm.

首先建立了一种新颖的多项式密度卷积曲面人体模型，该模型由连接体线骨架与某种卷积核卷积而成，整个曲面是一张连续曲面，调节多项式和半径参数可以让人体任意变形；给出了正交投影下卷积曲面和曲线对应的概念和相关定理，为二维的图像轮廓和三维人体模型之间建立对应关系；根据正交投影下卷积曲面与曲线对应定理，用卷积曲线去逼近人体的图像轮廓曲线，从而估计和恢复出三维人体运动姿态。

Based on the computer graphics,a set of graphic processing software has been developed which can display distinctly the temperature distribution of any calculation time with continuous transitional colors,draw the solidification processing curve,draw cooling curve and print the technique card and so on.

本文借助计算机图形学，进行温度场的后处理显示，能对任意计算时刻的温度分布进行颜色过渡逼真显示，能进行凝固进程曲线的绘制，冷却曲线的绘制和打印铸造工艺卡等，为用户优化工艺设计提供良好的分析工具。

Combine the cooling characteristic curve of quench media and the dynamics curve of continuum cooling phase change to select the quench media of materials is very useful, and it can obtain best microstructures and controlled crack polarity or distortion.

文章摘要：提出将淬火介质冷却特性曲线与材料的奥氏体连续冷却转变动力学曲线相结合，来选择材料的淬火介质，获得合适的显微组织并控制材料淬火过程中的变形、开裂倾向。

This is a realization of the C painting curve procedures, the screen shows a coordinate axis through the keyboard input the coordinates paint curve.

这是一个用C实现的画曲线的程序，在屏幕是显示一个坐标轴，通过键盘输入的坐标画出曲线。

In inner action domain, the local coordinate of each point related to test feature curve need to be calculated, and then the point is deformed by finding the position with the same coordinate related to reference feature curve.

在内部作用范围内，通过计算每一点相对于测试特征曲线的局部坐标，然后在参考特征曲线坐标系下找到相同的坐标位置，完成该点的交换过程。

The author then introduces the differential relationship between vectors as well as tensors in a curve coordinate system and curve coordinates, and the transformation relationship between coordinate systems and their matrix expressions.

简要介绍了卫星重力测量中所涉及到的曲线坐标系下矢量、张量与曲线坐标之间的微分关系、坐标系之间的变换关系以及它们的矩阵表示。

Finally, image morphing reality degree is defined for the first time in the research field of image morphing by computing the area between the curve and one coordinate axis, curvatures of the curve at different points, and so on.

它通过计算曲线与坐标轴，曲线插值点处的曲率和其他一些衡量标准得到。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48