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error curve相关的网络例句

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与 error curve 相关的网络例句 [注:此内容来源于网络,仅供参考]

The interpolation algorithm of introduced error compensation for complex parametric curve in space is proposed for the high precision interpolation of parametric curve on the basis of studying the first, second order taylor expression parametric curve interpolation algorithm and the plane parametric curves interpolation algorithm.

以一、二阶泰勒展开式参数曲线插补算法和平面参数曲线插补算法研究为基础,提出引入误差补偿值的复杂空间参数曲线高精度插补算法以实现空间曲线的高精度插补。

Then we can get the curve of Bit error rate. The influence of speed to Bit error rate in high-speed movement is studied. Results indicated that speed plays a small part to Bit error rate.

并且还研究了在列车高速运动的时速度的变化对误码率的影响,得出了速度的提高对误码性能影响不大的结论。

On the basis of the study on the mathematical model of the closed-loop location control, the analysis of contour error in the process motion control and error calculation model, according to the lack of using normal contour error model not to calculate contour error of curve in real-time, combining real-time contour error compensation control strategy and fuzzy logic theory, the fuzzy logic and real-time contour error calculation based self-discipline control strategy is proposed.

2在研究闭环位置控制数学模型、加工轮廓运动控制中的误差分析和轮廓误差计算模型的基础上,针对利用一般运动轮廓误差计算模型不能实时计算出曲线轮廓误差的不足,结合实时轮廓误差补偿控制策略和模糊逻辑理论,研究了基于模糊逻辑理论和实时误差计算的轮廓自律控制策略。

The new method is given to design the optimum profile modification curve design The effects of optimum profile gear in improving the dynamic performance of gear transmission are verified in the Gear Dynamic Performance Test Rig In this dissertation, the main study contents and creative results are shown as following: The influences on the gear transmission system caused by the gear's accumulated error (periodic error and harmonic error) are theoretically studied. A new method is developed to simulate the gear's harmonic error by using the 2-order MARKOV process A simulated model of the dynamic performance which is excited by the gear's accumulated error is obtained.

本文在前人大量研究的基础上,结合作者承担的国家自然科学基金项目"齿轮传动动态系统辨识与三维修形研究"和山东省自然科学基金项目"齿轮传动动态性能仿真及结构参数、齿形的优化修形",采用理论和试验相结合的新思路,系统地研究了齿轮传动的动态性能,建立了能正确描述齿轮传动系统动态性能的仿真模型和系统辨识模型,给出了确定齿轮传动轮齿修形曲线的优化设计方法,利用自行研制的齿轮传动动态性能试验装置,验证了优化修形齿轮对提高齿轮传动动态性能的突出作用。

First, a smooth curve is obtained from the data by curve fitting with the method of non-linear least squares fit. Then the tangent vector and the radius of curvature of each point on the curve can be calculated for the error evaluation. With the fitted curve, the focusing state of the aspheric lens can be obtained by the method of ray tracing.

主要过程为首先采用非线性最小二乘拟合的方法进行曲线拟合,并计算出曲线上各点的切矢量和曲率半径,分析它们的误差,最后对拟合后的曲线用光线追迹的方法得到非球面镜的聚焦情况。

In view of the inclining error in installing to the work-piece in lapping, an analytic method for profile error is presented, new and old rectangular coordinates are established, and error model of work-piece between its actual and ideal curve is deduced through coordinate transform.

针对研磨中工件的安装倾斜误差,提出了导致工件面形误差的分析方法,建立新、原坐标系,应用坐标变换,推导出工件曲线上各点相对理想曲线对应点的误差模型。

The error is described by weighted average variance-covariance of root mean square error in curve normal direction, and error in the direction with maximum error respectively.

曲线上任意点的误差由端点及距离误差传播导出的误差之加权平均值的协方差表示。

In this paper, a region approximation idea that means using a "fat curve" with a width to approximate the offset curve is proposed, and a complete set of algorithms to approximate offset curve using disk Bézier curve are given and implemented. In the algorithms, the optimal and uniform approximate curve of the offset curve as the central curve of the Disk Bézier curve is found by using Remez method, and then the upper optimal and uniform approximation principle is proposed to compute the error radius function of the Disk Bézier curve. Thus, the whole Disk Bézier curve can be obtained. In the end of this paper, the approximate effect of the Disk Bézier curve is not only analyzed and assessed, but also some specific examples are provided.

提出用一条带宽度的"胖曲线"来逼近上述等距曲线的区域逼近思想,并建立与实现了圆域Bézier曲线等距逼近的整套算法,包括应用Remez方法求出等距曲线的最佳一致逼近曲线作为圆域Bézier曲线的中心曲线,提出上控最佳一致逼近的原理求出圆域Bézier曲线的误差半径函数,以及确定整条圆域Bézier曲线,最后还对该圆域Bézier逼近的效果做了分析和考核,并给出了一些具体实例。

Experiments were carried out to verify the static model. Experimental results show that the experimental curve matched well with the simulated curve, and there was certain error between them (maximal static error is 0.035 rad). The error cause was analyzed. Then the experiments were carried out to measure the dynamic performances of the side-sway joint. Experimental results show that the step response time of the joint was about 2 s steady value's tolerance zone ?

完成了侧摆关节静态特性试验,试验结果与仿真曲线基本吻合,验证了静态模型的正确性,但存在一定误差(最大静态误差为0.035 rad),分析了误差原因;对侧摆关节进行了动态特性试验,试验结果表明对于不同的期望值角度阶跃信号,侧摆关节开环阶跃响应时间大约是2 s

This controller adopts different control actions according to the phase space composed by error and error change to meet the requirements. The corresponding relations between phase space and response curve of the seven different actions of this controller are analysed and curve is studies through actions.

七态控制器是根据在偏差和偏差的变化所构成的相空间上通过不同控制作用以达到满足要求的控制器,分析此控制器的7种不同作用力在相空间和响应曲线的一一对应关系,通过作用力来研究曲线。

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