查询词典 fitting of a curve

Research and application of a new method of curve fitting.

实验数据的曲线拟合方法及其应用。

On the basis of Chebyshev curve fitting method, a new method to design worn profile tread is proposed by this paper.

本文在切比雪夫曲线拟合方法的基础上，提出了一种高次曲线磨耗形踏面的设计方法。

A fitting curve between the decay time constant and the film thickness of YBCO was obtained, and the film thickness can be obtained from the fitting.

另外还作出了YBCO薄膜的薄膜厚度与衰减时间常量之间的关系曲线，提出了测量YBCO薄膜厚度的一种新方法。

The characteristics of growth curve were analyzed,a Gauss distribution function training model was established by fitting education law.With the actual higher vocational education,the design methods and steps of professional teaching plans were given,and the model was optimized by using correlation analysis.

分析了生长曲线的特征，依据教育规律建立了Gauss分布函数的人才培养模型，结合高等职业教育实际给出专业教学计划的设计方法和步骤，运用相关分析对模型进行优化。

In curve fitting, the speed-flow rate curve shows that the curve of 16mm pitch wheel is a line and that of 12mm pitch wheel is a down-winding curve, the speed-pressure curves of two pitches both are up-winding curves and in the resistance-flow rate curves the curve of 12mm one has lower slope than that of the 16mm one.

曲线拟合结果显示，在转速-流量曲线中，16mm螺距叶轮为一直线，12mm螺距的叶轮为一向下弯曲的曲线；转速-压力曲线显示两者都是向上弯曲的曲线；阻力-流量曲线显示12mm螺距的叶轮斜率较小。

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。

Because of the dependence of rotating dipole PA curve on layer of field lines, it avoids the degeneracy problem of conventional rotating vector model that all layers of field lines have the same PA curve with fixed inclination and impact angles, therefore it provides a useful way to identify the emission from different layers and constrain the location of emission regions in pulsar magnetosphere by fitting the observed pulsar radio PA data with rotating dipole PA curve.

其与磁力线层等参数的依赖关系避免了传统旋转矢量模型的简并问题－在给定磁倾角和碰撞角情况下所有层磁力线的偏振位置角曲线都一样，这为通过拟合射电偏振观测数据来分辨不同层的辐射，从而限定脉冲星辐射区部位提供了一条有用的途径。

In order to predict the post-construction settlement, based on a thorough analysis on the law of settlement development, citing the Verhulst model which good reflect its main characteristic, using the curve fitting method, mining the information contained in the construction data; betakes the improvement non-linear fitting algorithm on the model parameter inversion.

目的 为提高软土路基的工后沉降量预测精度，给设计和造价控制提供反馈信息。方法在深入分析沉降发生发展规律的基础上，引入Verhulst模型，采用改进的曲线拟合的经验计算方法，挖掘施工期的实测数据所蕴含的信息。

In consideration of the chain grate stoker with steam capacity of 20t/h,based on experimental testing data,a fast modeling with step input,was set up by calculating transfer function on step response curve,gets model parameters on "two-point method" on the first,and then modifies those parameters with "curve fitting method" through MATLAB/SIMULINK software,proves that the combination of "two-point method" and curve fitting mothod...

对阶跃响应曲线先采用&两点法&得出模型参数，再采用&曲线拟合法&对模型参数进行修正，从而实现系统动态特性建模。着重讨论了针对阶跃响应曲线，在&两点法&建模的基础上，进一步采用在MATLAB/SIMULINK软件环境下&曲线拟合法&对模型进行修正，发现&两点法&与&曲线拟合法&相结合的方法可以更准确地对系统进行建模。此方法可为锅炉燃烧优化设计、热力系统仿真研究提供热工对象理论模型，也可用于控制系统调试时控制参数的预选择。

Curve fitting is a natural extension of interpolating when seen from the aspect of computational mathematics.

本文提出拟合预测的方法。从计算数学的角度来说，是插值的自然延伸。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。