crout_algorithm

属于信息隐藏技术，图像图像处理的Arnold变换代码及其改进代码，输入图像输出图像，简单实用，欢迎下载~(Is information hiding, image, image processing and improve the code Arnold transform code, simple and practical, are welcome to download ~)

matlab中傅立叶变化，主要是处理文本格式的数据文件。(matlab in Fourier changes, mainly to deal with text data files.)

基于 Matlab 的锁相环（PLL）模拟代码。(Basic Phase-Locked Loop simulation code in Mtalab)

以MATLAB软件为工具，在GUI图形用户界面下针对不同特点的语音信号进行八种不同模式的滤波处理的语音信号处理系统，涉及基于巴特沃思滤波器的IIR滤波器和汉明窗设计的FIR滤波器，能够实现语音文件的打开及自定义路径的存储功能，同时可以实现语音信号加噪和音频倒放功能。(The source code, by means of MATLAB, under the Graphical User Interface, achieves a kind of speech signal processing system with eight different modes of speech signal filters working according to different characteristics of speech signal. The system involves IIR filter based on Butterworth analog filter and FIR filter based on Hamming Window, is able to open and save audio files in the user-defined place and realizes functions of noise addition and audio back-play.)

用于解算一维非线性平流扩散方程的半隐式差分格式算法(Computing the numerical solution of nonlinear advection equation via a semi-implicit scheme. )

BCJR decoder，inputs are source bit,coded bit, and a priori, outputs are source bit and coded bit (a posteriori)(There s an array named table inside, describe the trellis, five column is: start state, destination state, source bit,coded bit 1,coded bit 2, respectively.)

说明：  mimo-ofdm的多用户检测仿真，包括mrc，rgc，sc等多种方式对比(mimo-ofdm simulation of multi-user detection, including mrc, rgc, sc compare a variety of ways)

说明：  利用时域有限差分（FDTD）仿真二维（2D）横磁波（TM）的传播，吸收边界条件为完全匹配层（PML）。(The use of finite difference time domain (FDTD) simulation of two-dimensional (2D) transverse magnetic (TM) the spread of absorbing boundary conditions for the perfectly matched layer (PML).)

用于基于ORL人脸数据库和PCA降维的简易的微表情识别 (For ease of micro-expression recognition based on PCA)

single tank level control using pid