是国外的成品模型，一些自适应信号处理的算法，与理论分析结果相比，BP神经网络用于函数拟合与模式识别，现代信号处理中谱估计在matlab中的使用，预报误差法参数辨识-松弛的思想。- Foreign model is finished, Some adaptive signal processing algorithms, Compared with the results of theoretical analysis, BP neural network function fitting and pattern recognition, Modern signal processing used in the spectral estimation in matlab, Prediction Error Method for Parameter Identification- the idea of relaxation.