方法利用非参数分段多项式估计和最小二乘法进行讨论。
Methods It is discussed by nonparametric piecewise polynomial estimation and least squares estimation.
这是正常的，因为从微积分可以知道，任一函数都可以用分段多项式来逼近。
This is normal, and the arbitrary function all can approach with dividing section multinomials because can know from infinitesimal calculus.
采用基于最小二乘的分段多项式，建立了不同温度下EGO传感器的静态模型。
The static models of EGO sensors for different temperature were built up using sectioned polynomial based on the least square.
最后，进行了回归结果分析，分析结果表明分段多项式回归模型是正确有效的。
The piecewise polynomial regression model was established based on analyzing the scatter diagram of the speed change with the install distance.
考虑到运动冲击会增加机械磨损和噪声，5-5-5次分段多项式轨迹模式更趋实用。
Taking all into account, 5-5-5-orders piecewise polynomial trajectory mode is more applicable.
计算结果表明，用分段多项式最小二乘法拟合计算M F D，可以取得满意的计算精度。
The error sources and their influences to the measurement results are also discussed. It has been shown, that the satisfied results can be achieved by using least square fitting method.
基于光滑的分段多项式函数和插值思想推导出一个新的光滑函数，从而可以更好地逼近正号函数。
We got a new smooth function for approximating the plus function by interpolation base on smooth piecewise polynomial functions.
针对具有复杂运动特征的高速凸轮机构从动件运动规律，提出用分段多项式进行综合和优化的新方法。
The paper presents a new method for synthesizing and optimizing the follower motion with complex characteristics for high-speed CAM mechanism based on the piecewise polynomials.
最后针对临近空间大倾角失真遥感图像提出了一种分段多项式几何校正方法，取得了理想的校正精度。
Finally, for geometric correction of near space oblique remote sensing images, a piecewise polynomial geometric correction method is studied, and achieved the desired accuracy of calibration.
分别介绍了用分段多项式和朗培其一奥斯古特三参数方程拟合应力应变曲线并求切线模量和割线模量的方法。
By piecewise polynomials and the Ramberg-Osgood three-parameter equation fitting the stress-strain curve, the expressions of the tangent and secant modulus are derived.
基于多项式分段拟合的舰船观测方位数据处理方法，对观测方位序列进行分段处理。
The data processing method of warship observation orientation based on polynomial segment fitting, and the sequences of observation orientation were processed in segment.
基于误差预处理技术的纯方位目标跟踪方法，采用多项式分段拟合测量。
The tracking method of pure orientation target was based on error pretreatment, and adopted polynomial segmentation fitting to measure.
作者在最小二乘法的基础上，提出分段直线拟合算法来代替多项式曲线拟合，从而达到简化数学模型的建立和减少计算量的目的。
The author proposes a sectional line fitting to re - place the polynomial curve fitting, which results in simplifying establishment of mathematical model and reducing the amount of calculation work.
该算法是在最小二乘意义上的多项式曲线拟合，实验结果表明，其校正效果明显优于分段线性校正算法。
The algorithm is polynomial curve fitting based on least square approximation. The experimental result shows its performance is more effect than that of the piecewise linear algorithm.
介绍了用多项式根的性质与导数极限定理求分段函数在分界点的导数的简单方法。
The paper introduces the property theorem about roots of polynomial and the derivate limit theorem, by which we can study the derived number of a break point of piecewise function.
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.
样条函数采用分段的多项式。
The favorate spline function is polynomial in a segment of the domain.
样条函数采用分段的多项式。
The favorate spline function is polynomial in a segment of the domain.
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