Based on the powerful nonlinear reflection and training function of artificial neural networks, the model of BP neural network for foundation piles integrity testing is put forward.
利用人工神经网络强大的非线性映射能力和学习训练功能，提出了基于BP网络的基桩完整性检测模型。
By using nonlinear VAR model and impulse response function, this paper explores the reaction of "output—employment" system under the outer shocks.
本文使用非线性向量自回归模型和脉冲反应函数，分析“产出-就业”系统在外部冲击下的反应。
After introducing the linear spline function, a local nonlinear dynamical and statistical climate model and its inversion method was designed according to the inversion theory.
根据反演建模理论，在引入一次样条函数的基础上，设计了一种局地非线性气候动力统计模型及其一整套反演方案。
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