New method of parameter estimation for time varying non linear distributed systems is proposed in term of orthogonality of orthogonal polynomial and differential operation matrix.
利用正交多项式序列的正交性及微分算子矩阵，论述了时变非线性分布参数系统参数估计的正交多项式法。
AIM: to analyze the long term video electroencephalogram data with chaos theory according to non linear dynamical character of the changes of brain wave so as to predict epileptic seizure.
目的：应用脑电波变化的非线性动力学特征，以混沌理论对长时程视频脑电资料进行分析，以期预测癫痫发作。
The corresponding BP algorithm, which brings its ability of processing non-linear problem into full play, is used to forecast the short-term load in future 24 hours.
利用相应的BP算法对未来24小时负荷进行短期预测，该方法充分发挥了神经网络处理非线性问题的能力。
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