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ApEn approx_entropy 两种计算近似熵的算法，一个程序简洁明了，一个从基本原理分布算起便于理解，亲自调试，都通过程序验证，结果一致，替换数据即可使用(Approximate entropy algorithm the ApEn approx_entropy two calculations, a program concise, counting a distribution from the basic principles of ease of understanding, the person commissioning, program verification, and the results are consistent, replace the data can be used)

this file contains modelling of brushless dc motor based linear electro mechanical actuation system and its position control

自己写的pca matlab 程序，简单，识别率高，可运行(PCA matlab program to write their own simple, high recognition rate, you can run)

matlab环境下的估计算法music算法的matlab实现，有很好的实验效果(estimation algorithm matlab environment music algorithm matlab implementation, there is a very good experimental results)

matlab分形模型的几种实例，比较详尽的阐述并举例了分形的过程，算法与结果(matlab fractal model in several instances, relatively detailed description and examples of fractal algorithms and results)

采用MATLAB实现图像信息隐藏。将文本信息，通过DCT和LSB算法嵌入到二维图像中实现信息隐藏。(hide information into voice signal with the methods of DCT and LSB)

混沌时间序列预测工具箱，包括了李雅普诺夫指数、分形纬、嵌入纬以及神经网络预测(chaotic time series forecasting tool kit, including the Lyapunov exponent, fractal-wai, Wei and embedded neural network prediction)

MatLab_Using_Simulink 熟练掌握simulink。(Simulink MatLab_Using_Simulink master.)

周期图法计算在白噪声环境下的正弦信号功率谱密度(Periodogram method under the white noise power spectral density of the sinusoidal signal)

signal transient crosstalk noise