exclass1

实现了数字信号处理在双音多频拨号系统中的应用，并用MATLAB实现。(Realization of the digital signal processing in a dual tone multi-frequency dialing system, and use MATLAB implementation.)

简单的卡尔曼程序，里面详细介绍了5条核心公式的使用，适合初学者，里面的注释也很多。(Simple Kalman procedure, which details the use of the five core formula, suitable for beginners, inside comment.)

简单的OFDM仿真，采用QPSK调制，有串并转换，保护间隔，fft/ifft等(Simple OFDM simulation using QPSK modulation, there are serial to parallel conversion, guard interval, fft/ifft etc.)

MIMO雷达成像设计MIMO雷达成像设计MIMO雷达成像设计(MIMO imaging design)

仿真图是速度、距离、幅度三维图像，ICA（主分量分析）算法和程序，利用最小二乘算法实现对三维平面的拟合。( FIG simulation speed, distance, amplitude three-dimensional image, ICA (Principal Component Analysis) algorithm and procedures, Least-squares algorithm to fit a three-dimensional plane.)

gabor wavelet filter for texture extraction

智能优化方法 蚁群算法的matlab程序，对蚁群算法的一种改进程序(Intelligent Ant Colony Algorithm Optimization matlab procedures, an improved ant colony algorithm procedure)

说明：  本程序是一个MATLAB PCA变换的人脸识别程序，提供了简单的例子方便大家学习。(This program is a MATLAB PCA transform for face recognition process, provides a simple example will help you learn.)

ALLAN方差分段拟合后求解噪声系数，以提高拟合的精确度(ALLAN variance after fitting the noise factor solution)

MATLAb code for Basic Model of Cognitive Radio