Butterworth_Filters_v1

说明：  PCA人脸是识别在matlab的实现程序，包含数据库。(PCA face is to identify procedures in matlab implementation, including the database.)

建高斯白噪声,.构建了时域上的信号,计算功率谱(Construction Gaussian white noise. Constructed in the time domain signal, calculate the power spectrum)

说明：  实现语音信号的分帧，也可以对其他信号进行分帧(Sub-frames of voice signals, other signals can also be sub-frame)

说明：  code to do something i dont kno tamala

matlab中PID控制系统仿真模型，算法简单、稳定性好、可靠性高(PID control system simulation model in matlab, simple algorithm, good stability, high reliability)

说明：  matlab实现BP模型。注释明白直观，使用方便。(Matlab implements BP model. The notes are clear, intuitive and easy to use.)

GUI for animating arm robot with bottons

说明：  读取obj文件…………，matlab程序(read obi of matlab)

说明：  脉冲信号调制解决了线性调频信号的调制特性(LFM)

介绍趋势外推的数学原理，为实现预测功能的matlab程序提供理论基础(Introduce trend extrapolation of mathematical principles to provide a theoretical basis function matlab program to achieve the forecast)