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這是一個利用butter filter 的bandstop 來濾除原始訊號中有雜訊的方法，先轉為spectrogram觀察雜訊所分步頻帶與能量，再依照要濾除的部分作bandstopa(This is a use of bandstop butter filter to filter out the noise of the original signal has a method, the first step into a spectrogram observation noise and energy of the band, then follow to filter out parts for bandstopa)

轨道交通牵引供电的一个初步模型，给分析暂态一个很好的方向。(A preliminary model of traction power supply for rail transit provides a good direction for transient analysis.)

采用极限学习机即（ELM）进行回归和预测的MATLAB代码, 亲测可用，只需要替换自己的数据即可.(Extreme learning machine (ELM) is used for regression and prediction with MATLAB code. You need only use your own data to represent the data in the code.)

模式识别实验验程序 极大似然估计和Fisher线形判别分析(Experimental test procedures for pattern recognition maximum likelihood estimation and Fisher linear discriminant analysis)

matlab 学习书籍，参考编成。给初学者提供良好的帮助。(Matlab study books, reference organization. Beginners to provide good help.)

将matlab的m文件生成可供labview调用的dll(The matlab m file is generated for LabVIEW call DLL)

轨道动力学的一些有关算法，包括拉格朗日系数计算，轨道根数求解等(Some algorithms of orbital dynamics, including calculation of Lagrange coefficients, solution of orbital elements, etc.)

learning of initiation of matlab programm

为了对数据进行准确的预测，建立了双隐层BP神经网络，并提供了源数据，实现了准确的数据预测。程序能够执行，误差较小，输出接近真实值。(To accurately forecast the data, we build the two-hidden layer BP neural network and provide the original data, which will forecast the data. The program can be executed with small error which will be close to the real data.)

描述了OFDM调制解调中的相位补偿的算法的方法和相应的代码(Description of the OFDM modulation and demodulation method of the phase compensation algorithm and the corresponding code)