According to the body normal physiological changes the cubic curve model is the best model among several deferent models of curve estimation with SPSS.
根据人体的正常生理变化，三次曲线模型是SPSS曲线估计的几个模型中最合适的一个。
Methods:Power model of non-linear regression was adopted to fit the curve of incidence of malaria, which result is contrast with the same model came from curve estimation method.
方法：对疟疾发病率曲线进行非线性过程的幂函数拟合，并与用曲线参数估计法的幂函数拟合结果进行对比。
On the data including the discrete points, least square estimation can not control the strong error affecting the regression curve.
在含有离群值的情况下，分析了最小二乘估计不能克服粗大误差对回归曲线的影响。
Other preprocessing methods such as discrete curvature estimation and feature point extraction are also studied, and a section-feature recognition algorithm, based on curve fitting, is proposed.
研究了用圆弧曲率估算截面数据离散曲率的方法和特征点提取方法，提出了基于曲线拟合的截面特征识别方法。
In order to provide a more efficient estimation of different major geometries by a single model, an adaptive curve model which varies depending on the local nature of range image is employed.
为了能够仅依靠单一模型实现对环境中不同几何元素的有效估计，介绍了一种根据距离像局部特性进行自适应调整的曲线估计模型。
Second, this method focuses on optimal smoothing of estimator for a single distribution and does not address optimal estimation of the ROC curve.
第二，他只关心单个分布函数的最优拟合，而不是直接对ROC曲线做最优估计。
This paper discusses the estimation of approximation orders of singular integrals over a general curve by means of cubic complex spline.
讨论曲线上柯西型奇异积分利用三次复样条进行近似计算的误差估计，对于相关函数类给出了这类逼近的误差阶。
A pose estimation method, curve approaching method, is introduced and RCS reflecting figure is created.
介绍了一种空间目标姿态角估计方法，并在此基础上生成了RCS反射图。
In this paper, this constraint is discussed. For the space curve with length constraint and the surface of revolution area constraint, algorithms and estimation of the error are given.
本文就此进行了讨论，对有弧长约束的空间曲线及有面积约束的旋转曲面问题，分别给出了相应的算法及误差估计。
The software developed in this paper mainly contains curve fitting of measuring data, Gaussian distribution estimation of curves, calculation of the size of facula, divergence angle and waist facula.
文中开发的实验数据处理软件主要包括测量数据曲线的拟合、判断曲线是否符合高斯分布、光斑大小的计算、发散角和腰斑大小的计算。
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.
把古洪水加入到洪水系列后进行频率计算，可以看出频率曲线基本合理，说明对1482年洪水重现期的判断是合理的。
The parameter estimation achieved by this method is not unbiased. The precision of curve fitting is low.
但这种方法进行的参数估计不是无偏估计量，因此其非线性拟合精度较低。
One of the theoretical bases of this estimation is the Environmental Kuznets Curve KEC.
这一判断的理论基础之一是环境库兹涅茨曲线假设。
The relation between load and displacement is deduced by approximately differential equation of flexural curve and the error resulted from this estimation is given out.
应用挠曲线近似微分方程，推导了线切割结构的载荷与位移关系，并给出了由于微分近似导致的误差。
It is shown that the slope K of the self-priming performance curve is the estimation criterion to describe the self-priming ability of different self-priming pumps.
文中指出可以自吸性能曲线的斜率K，作为对不同型式自吸泵及其自吸能力强弱的评定值。
This article has introduced a referential mode for uncertainty estimation in coatings laboratory, especially for uncertainty estimation as using calibration curve.
本文为涂料检验室的不确定度评定，尤其使用校准曲线时的不确定度评定，提供了一个评定方法的参考模式。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法，实现了跳频频率和码速率等参数的高精度估计。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法，实现了跳频频率和码速率等参数的高精度估计。
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