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说明：  广谱X射线衰减的非线性 广谱X射线衰减的非线性(X-ray attenuation of the nonlinear spectrum)

用Pisarenko算法实现功率谱估计，可明显区分四个信号的峰值。(Pisarenko algorithm using power spectrum estimation, can significantly distinguish between the four signal peaks.)

export figure : to export figure from matlab easily and efficiently

matlab code for hand geusture recognization

说明：  两种对二阶系统进行参数辨识的最小二乘算法，一种可以直接得到输入输出之间的传递函数，一种可以解出线性的差分方程各系数，再反解得到传递函数。附带的一个二阶系统的模型，可以自行下载导入输入输出数据进行试验。(Two kinds of least square algorithm for parameter identification of second-order system, one can directly get the transfer function between input and output, the other can solve the coefficients of linear difference equation, and then get the transfer function by inverse solution. The attached model of a second-order system can download the input and output data for test.)

维特比译码的Matlab程序，摘自短波无线电台项目(Viterbi decoding of the Matlab program)

implementation of PDS filters

时间序列分析中对于平稳时间序列建立模型，并实现模型的预测。(Time series analysis for stationary time series model, and the realization of the forecast model.)

最基础的风力机模型和光伏电池模型，适合入门者(The most basic wind turbine model and photovoltaic cell model, suitable for beginners)

lms source code for adaptive filtering the acoustic noise.