qpsk

计算峰值信噪比,可以用于检查图像密写的效果(Calculation of peak signal to noise ratio, images can be used to check the effect of Steganography)

产生伪随机二维码,使用的是Matlab中的Simulink，应该很好用的，用于系统辨识(PEBS generator)

ldpc码的matlab仿真程序，信息序列较小，但仿真效果好。(LDPC codes matlab simulation program, the information sequence of smaller, but better simulation effect.)

说明：  层次分析法，简单易操作,可用于计算权重，选择出比较重要的元素。(ahp，easy to operate。Can be used to calculate the weight, the more important the selected element.)

MATLAB7 使用教程，从基础篇到高级，结合了图形说明，易学易懂(MATLAB7 Desktop Tools and Development Environment.This book is a basic course of matlab. )

1、对观测数据进行卡尔曼滤波，得到预测的航迹以及估计误差的均值和标准差 2、返回值包括滤波预测后的估计航迹,以及均值和误差协方差(1, the observed data, the Kalman filter, to get the track and the estimated prediction error of the mean and standard deviation 2, the return value, including forecasts of the estimated filter track, and the mean and error covariance)

针对机械行业变转速零件如轴承，齿轮箱的故障诊断，采用阶次分析技术。程序针对变转速工况下的故障诊断。(Variable speed machinery industry parts such as bearings, gearboxes for fault diagnosis using order analysis techniques. Procedures for troubleshooting variable speed conditions.)

波束空间MUSIC算法（music算法中的一种），对多个不同方向的信号进行入射角估计，里面包含了m文件、理论推导、仿真结果以及相关讨论。(Beam space MUSIC algorithm (a) the music algorithm, a number of different directions, the signal of the angle of incidence is estimated, which contains m documents, theoretical analysis, simulation results and related discussions.)

配电潮流计算，并包括IEEE的数据,配电潮流计算，并包括IEEE的数据,(Distribution power flow calculation, and includes data of the IEEE)

该源代码是本人亲自所写，使用DWT对图像可以进行三次小波分解，直接下载可以使用，对图形图像处的同行们非常有用，欢迎下载。(The source code is written by himself, the use of DWT can be three times the image wavelet decomposition, a direct download can be used in the graphic image Department colleagues very useful are welcome to download.)