以下为句子列表：
英文: Based on analysis of chaos characteristic of sediment discharge time series, BP neural networks model based on chaos phase space is proposed to forecast the sediment discharge through embedding dimension.
中文: 在对输沙量时间序列混沌特性分析的基础上，利用嵌入相空间来确定前期影响因子，建立了基于混沌相空间技术的BP神经网络模型。
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英文: In this paper the phase space of the time series of nature field is reconstructed by the theory of phase space reconstructing and G-P algorithm, the results show that the phase space of nature filed has the chaotic attractor, although the nature field is
中文: 利用相空间重建理论与G-P算法对大地电磁场的时间序列进行相空间重构，表明大地电磁场时间序列相空间的吸引子是存在的，大地电磁场虽然看似随机的天然信号，事实上它是具有内在确定性的随机信号。
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英文: Based on the phase space model of the zeroth and first order approximation, a regression-autoregression model and a regression-local linear regression model are proposed, which provided new method for dam safety monitoring.
中文: 研究了混沌预测中零阶近似、一阶近似等相空间预测模型。 在此基础上，提出了逐步回归—自回归、逐步回归—局域线性回归等大坝观测序列相空间模型，为大坝安全监控模型的建立与预测提供了新的思路与方法。
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