还提出一种确定拟合函数最佳阶次的准则。
The paper also gives a criterion to determine the optimal order of approximate function.
采用独特的机翼外形曲线拟合函数摄动方法来改变机翼。
An especial perturbation technique of curve fitting shape function is applied for variation of the wing shape.
眼内压随注水时间的拟合函数中部分拟和参数具有较明确的生理意义。
Parameters of the fit function between IOP and injection time have definite physiological significance.
推导出热指数在工程应用中的拟合函数，并应用于电力负荷短期预测工作中。
The imitation function of heat index used in engineering applications is derived and applied to the short term electric load forecasting.
与传统回归方法相比，该方法得到的拟合函数更精确，具有更广泛的适用性。
Compared with traditional methods, this method is not only more accurate than traditional one, but has a wider range of application.
提出的测量方法、测量结果和拟合函数的建立对偏光器件的研究有一定的参考价值。
The measurement method, experimental results and the fitting function provide a reference for the polarization device research.
为此我们导出了拟合函数表达式，提出用非线性参数统计模拟地震记录的方法反演q值。
Hence we derive the expression of fitting function and propose a new Q-value inversion method using non - linear parameter statistical modeling of seismic records.
结果表明该模型不仅能拟合函数，而且可在存在野值时，根据以往的数据预测目前的频率。
The result was showed that the model could not only fit function, but also predict the present frequency according to the past data when some error data exited.
用最小二乘法拟合等离子体粒子能谱实验数据时，通常使拟合函数与实验能谱数据之间的误差平方和极小化。
Fitting a curve for an experimental energy spectrum of plasma particles with the least square method, a square error sum between the fitted curve and experimental spectrum data is usually minimized.
在回归拟合函数的基础上，引入马尔可夫链预测理论，建立了道路交通事故的“回归-马尔可夫”复合预测模型。
Based on the regression fitting and Markov chain forecast method, the "Regression-Markov" integration model for forecasting road accidents is built in this paper.
支持向量机方法能够解决小样本情况下非线性函数拟合的通用性和推广性的问题，是求复杂的非线性拟合函数的一种非常有效的技术。
The problems of universality and extensibility in nonlinear function approximation using small samples can be solved by the method, it a very efficient technique for nonlinear function approximation.
该非线性PID算法构造了增益参数关于误差信号的非线性拟合函数，算法能够同时保证响应速度快、超调量小以及自适应能力强的系统特性。
The nonlinear function is given by the nonlinear PID algorithm, and the algorithm can guarantee the system have the property of the fast response, a little over shot and strong self adaptive.
同时，拟合方法采用目前非常成熟的多项式最小二乘拟合。从而不仅能控制拟合函数的复杂性，而且使分段拟合的补偿区间数量达到最少，极大地降低了计算成本。
The paper adopts the method of multinomial least squares as fitting to make the fitting function be simple and the amount of compensation interval be least, reduces the calculation cost.
介绍了采用正交函数法快速拟合通风机性能曲线的数学模型，通过算例验证了此数学模型的精确性和实用性。
The mathematical model based on orthogonal function as fan characteristic curve fitting is introduced and its precision and utility is validated through the calculating example.
建立了再入机动弹道数学模型，给出了气动力系数为速度、迎角、高度的函数拟合式，进行了最佳再入机动弹道设计和仿真计算。
The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.
在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。
Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.
密度与林龄的拟合以S函数为最优模型。
S function was the best model in the fitting between stand density and age.
前向网络利用反向传播算法训练多层网络，使训练后的网络较好地拟合样本空间中各点的函数值。
Feedforward networks use back propagation algorithm to train a multi-layer network. After training, the multi-layer network can fit the function in the data space very well.
本文提出了一种基于移动窗口的函数模型和随机模型系统误差自适应拟合法。
Adaptive fittings for both the systematic errors and covariance matrices of the model errors by using moving Windows are presented.
工程应用中通常用插值和回归(曲线拟合)解决函数表达式描述数据的问题。
Engineering applications, the interpolation and regression (curve fitting) function expression usually are used to describe data to solve the problem.
回归软件程序将样本点用图表示，并且给出最拟合样本点的直线的价值函数公式。
Regression software programs graph the sample points and give the (cost-function) formula of the straight line that best fits the points.
文中将GA用于三次样条函数拟合的系数求解，避开了矩阵求逆的繁琐问题，结合具体例子作了一些探索。
GA is used to obtain coefficients of cubic spline function fitting to avoid the inverse of the matrix and some work is made with an example.
不分道的最大似然拟合方法和逐事例相关的分辨函数在时间拟合中被采用。
An unbinned maximum likelihood method is used in the lifetime fit with event-by-event resolution functions.
用高阶奇数多项式拟合非线性混合函数，建立非线性信号盲分离模型。
The model of nonlinear blind source separation(NBSS) is built which the nonlinear transfer function is simulate by the P-th order polynomial function.
该模型是完全集结，当输入函数比脉冲函数、阶跃函数复杂时，比其它完全集结模型的响应拟合好。
The model is perfect aggregative. When imput of system is more complex than pulse function and jump function, this model provides response more accurately than other perfect aggregation models.
介绍了一种曲线拟合和函数逼近的对数校直法及对数校直定理。
A new method of fitting curves and approximating functions - "logarithm alignment method" and "logarithm alignment theorem" are introduced in this paper.
土壤入渗过程的回归方程表现为乘幂函数形式，回归系数R在0.88 ~ 0.99之间，方程拟合效果较好。
Soil permeability coefficients regression equation performs exponent relation. Regression coefficients were between 0.88 to 0.99, and the equation analog effect was good.
拟合结果可以得到相应的分布函数的参数和方向性数据的均值，最大最小值范围。
After Fitting, distribution function parameters values, mean values, maximum and minimum can be obtained.
本文在这两种方法的基础上提出用样条函数拟合纸上定线中的离散点，并给出公式推导和示例。
On the basis of these, this paper uses mode function to imitate the disperse dots, and give formulas and examples.
本文在这两种方法的基础上提出用样条函数拟合纸上定线中的离散点，并给出公式推导和示例。
On the basis of these, this paper uses mode function to imitate the disperse dots, and give formulas and examples.
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