ECG-50Hz-Subtraction-Procedure

Pattern formation and KPP equation

图象直方图及均衡，用matlab实现了图像的直方图算法，以及均衡算法。(Image histogram equalization, using matlab image histogram algorithm, as well as balancing algorithm.)

This file compares three different versions of the Kalman filter. The Kalman filter is used for recursive parameter estimation. The Kalman filter can handle noisy measurements. The first implemented filter (fcn_KF) is the Kalman filter with standard update of the covariance matrix P. The covariance matrix reflects the uncertainties of the predictions. To improve the numerical stability Potter developed a square root update (fcn_KF_SRP) of the covariance matrix P. Another version is the square root covariance update via triangularization (fcn_KF_SRT). This file generates a model. Then the three Kalman filters perform an estimation of the model parameter. At the end the results are compared. Sources: Simon, D. (2006): Optimal state estimation Kaminski, P. (1971): Discrete Square Root Filtering: A Survey of Current Techniques Golub, G. (1996): Matrix Computations

说明：  fastica实测数据，可以做数据的预处理，保留有用信号，滤除噪声(FastICA measured data, can do data preprocessing, retain useful signal, filter noise)

说明：  matlab 从入门到精通 很好的一本书(matlab a book)

modulation coding for communication channel

MATLAB关于FFT频谱分析的程序，以余弦信号和矩形波为例做了详细说明，并给出了在噪声时的情况。(MATLAB on the FFT spectral analysis procedures, the cosine signal and the rectangular wave, for example to do a detailed description is given in the case when the noise.)

同步发电机三相突然短路无阻尼绕组编程仿真，包含励磁短路电流，定子绕组短路电流。(Synchronous generator three phase sudden short circuit has the damping winding programming simulation, including the excitation short-circuit current, the stator winding short circuit current.)

说明：  兔子问题 1,1,2,3,5,8,13,21....(fgkhg)

travel sales man problem