QPSK的matlab实现

说明：  matlab语言求解小波降噪的MSE和SNR值(Solving MSE and SNR of wavelet denoising with MATLAB language)

用Simulink仿真卷积编码，并用Viterbi译码的方法进行解码，其中的编解码全部自己编写代码(S-Function方式)(Simulink simulation using convolutional coding and Viterbi decoding method used to decode, which codec to prepare all their own code (S-Function mode))

这是一个简单的数据生成器，可以生成0到1之间的n维数据(This is a simple data generator can generate 0 to 1 between the n-dimensional data)

Dennis M.Sullivan FDTD书后matlab程序 已经调试验证 第一章第二章(Dennis M.Sullivan matlab program using FDTD book have been debug and verify)

北航研究生课程，卡尔曼滤波与组合导航课程作业第一题(Buaa graduate kalman filter 1 course)

用神经网络进行手势识别，用直方图和方向法

在优化问题中，用于求解下列形式非线性规划问题(In optimization problem, the following form for solving nonlinear programming problem)

CONTROL OF A SYSTEM USING VARIABLE STRUCTURE CONTROLLER

This is matlab code for stockwell transform as a time frequency distribution for feature extraction that was developed by Doctor stockwell

说明：  采用差分阈值法对心电信号QRS波进行特征提取的matlab程序。,Differential threshold method QRS wave of ECG feature extraction of matlab program.(A matlab program for feature extraction of QRS wave of ECG signal by differential threshold method is presented.)