试验结果表明：高分子湿度传感器输出信号符合二次拟合曲线变化规律。
Experiment result shows that output signal of this macromolecule humidity sensor accords with variational rule of secondary polynomial fitting.
通过对离散点进行短线段拟合的基础上，再利用曲线拟合的最小二乘法对圆和直线进行二次拟合。
On the basis of short straight-line fitting, this dissertation USES the least-square method of curve matching to discern circle and straight line.
通过对离心式水泵高效工作区的性能曲线进行二次拟合，分析了离心式水泵机组并联调速运行特性。
The parallel-connection and variable-speed operation characters of the centrifugal pump groups are studied by conics fitting of the character curves in the high efficiency area.
用实际观测数据对该模型进行了试验，结果表明，用径向基神经网络转换GPS高程精度高于二次拟合法和BP神经网络法。
The model was tested with observed data. The results showed that RBF Neural Network conversion accuracy than Quadratic fitting and BP Neural Network.
本文分析了水盐体系相图中二次曲线拟合的特点，并提出使用修改后的二次拟合方法对相图中曲线进行拟合的方法，在绘制相图中得到了较好的效果。
Some feature in phase diagram drawing is analyzes and modified quadratic fitting method is used to fit the curves. The method is proved to be effective.
根据导电机理模型推测了二次渗滤现象产生的原因，并对实验结果进行了拟合。
After fitting of the experimental results, the mechanism of the double_percolation phenomenon was presumed.
仿真实验和实物测量实验表明，给出的二次曲面拟合方法和不确定度估计方法是正确的。
The simulation and actual measurement experiments were conducted, which suggested that the methods of quadric surface fitting and uncertainty assessment presented be correct.
本文针对这种情况，对连续波雷达回波频谱幅度产生原因进行分析，提出了二次曲线拟合频谱幅度来估计加速度的方法。
The paper, through analyzing the forming of the amplitude spectrum of the echo, proposed a new method using quadratic curve fitting for it.
基于其内部规律，结合拟合结果，应用序列二次规划法(SQP)对电抗器进行优化，提高了优化计算效率。
Based on the fitting results and its inner law, the calculating efficiency in optimizing the reactor is increased via applying the sequential quadratic programming (SQP) method.
作为提高生产效率和改善造型设计的重要途径，逆向工程受到越来越多的重视，空间二次曲面拟合是其重要组成部分之一。
As an important approach for improvement of productive efficiency and shape design, more and more attention is paid for reverse engineering, fitting of quadratic surface is one of its components.
本文提出将给定函数或离散坐标点定义的曲线，分段用二次曲线拟合的计算方法。
A new calculation is presented, in which the given functions or curves defined by dispersed coordinate points are approximated by quadratic curve in several parts.
针对机械零件反求建模过程中常见二次曲面的表面重建问题，提出了曲面拟合分步计算法。
To solve the problem of quadric surface reconstruction in reverse modeling for mechanical parts, a two-step fitting algorithm was presented.
反馈部分为参数自调整模糊控制器，终点的计算采用二次曲线拟合法。
Feedback control is a parameter self tuning fuzzy controller and the burn through point is calculated by quadratic curve method.
提出一种采用二次抛物线来拟合温度—密度曲线进行饱和蒸汽的流量补偿的方法，并且用MCS-51单片机进行数据处理。
This paper presents a method of flux compensation of saturated vapor. This method adopts parabola fitting the curve of temperature-density and deals with the data by MCS-51 single-chip computer.
利用二次移动平均模型，引入均方拟合误差最小的原理确定出时段数n，对国民经济总收入、人口数量等项目进行了预测。
The total income of national economy and the amount of population are predicted with second-degree moving model and with the principle of least mean square fit error determining designated value n.
然后利用二次多项式模型拟合文本行的中心线，并建立径向失真校正的目标函数。
Then, it used second order polynomial to fit the Central Line of text line, and constructed the object function of lens distortion.
并提出了二次曲线拟合的误差校正方法。
Two order polynomial fit method to calibrate error is put forward.
简要介绍了转换GPS高程的二次曲面拟合法，以及神经网络BP算法的基本结构和数学公式。
The conicoid fitting method used for transforming GPS elevation, and the basic structure and mathematic formulas of BP algorithm of neural networks are introduced briefly in this paper.
本文从寻找一种精确拟合大角度入射时反射系数随入射角变化的方法入手，提出一个与泊松比有关的二次多项式。
The authors'attempt is to find out an approach by which reflection coefficients can vary with incidence when large incidence is best fitted.
结果表明，方法误差与随机噪声的性质有关：在本底噪声为主时，二次曲线拟合法精度高，计算量小。
The result shows that the parabolic fit method has a high precision with fewer computing time when the background noise is the main noise source.
本文采用二次曲面拟合、BP网络和RBF网络进行了GPS高程转换，并在网络结构改进等方面作了分析。
In this paper, the fifing method which stimulates the Geoid using quadric polynomial, BP network and RBF network are provided for the GPS height conversion.
首次选取泰勒级数的部分二次项，用一个距原点最近点处拟合的超低维曲面近似极限状态面。
Firstly part of quadratic term of Taylor series is chosen; a low-dimension surface is used to approximate limit state surface; and the modified reliability formula is derived.
但二次多项式只能拟合x坐标与Y坐标之间成函数关系的点序列，无法拟合闭合曲线。
But the quadratic curve can be used only in condition when each X-coordinate of the points sequence mapping to only one Y-coordinate, so it can't be used in fitting closing curve.
目前的通用方法都是基于二次曲面的特征方程进行拟合，由于特征方程求解复杂，因此这些拟合软件在进行曲面拟合时均存在很多的限制条件。
Nowadays, general fitting methods are based on the character equations of quadratic surface to implement. For it is so complicated that a lot of fitting software exist a lot of restrict conditions.
初始曲面拟合是利用UG的二次开发功能，将截面线与边界曲线拟合成一张初始曲面。
Original surface is formed from boundary curve and section curve using the redevelopement interface of UG.
然后，针对金川岩体的流变特征进行了理论研究，建立了非线性流变模型，通过拟合得出了最佳二次支护时机；
Then, theoretical study was carried out on the rheology of Jinchuan rock mass and a nonlinear rheological model was established. The best secondary support time was found by fitting.
使用本类里的单选按钮，你可以选择使用底片常数的一次、二次或三次拟合。
Using the radio buttons in this section, you can set the software to use linear, quadratic or cubic fits for the plate constants. Small field CCDs usually require no more than a linear fit.
使用本类里的单选按钮，你可以选择使用底片常数的一次、二次或三次拟合。
Using the radio buttons in this section, you can set the software to use linear, quadratic or cubic fits for the plate constants. Small field CCDs usually require no more than a linear fit.
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