To solve the problem of ellipse - object - shape parameters detection in noise image, a new detection algorithm using nonlinear data fitting model and cross-reference iterative method is proposed.

为提高噪声环境下椭圆类物体形状检测算法的稳定性与准确性，本文提出非线性数据拟合模型结合交叉参考迭代的新思路。

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This paper puts forward a seasonal neural network model to curve fitting analysis for nonlinearity and predict for the seasonal time series of outpatient amount.

本文提出一种利用季节性神经网络模型对医院门诊量进行非线性曲线拟合分析和预测。

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In this paper, a nonparametric regression model is established for the inflation of China, and a satisfying fitting result is obtained.

文章对我国通货膨胀建立非参数回归模型，取得了令人满意的拟合效果。

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