20130809

这两天着迷goolge earth抓图，编写了一个拼图的程序，主要是用到了imread imwrite和对话框几个知识点，很简单的。(This two-day fascination with goolge earth drawings, prepared a puzzle procedures, mainly used in the dialog box imread imwrite and several knowledge points, very simple.)

signal detection in 4x4 system using qrdmdfe algorithm with t=1,also includes lqrdm dfe algorithm

说明：  基于DWT的图像压缩，上数字图像处理可的大作业(DWT Compression)

光的干涉衍射仿真程序光的干涉衍射仿真程序光的干涉衍射仿真程序(The interference of the diffracted light interference of light diffracted simulation program simulation program diffraction light interference simulation program)

三电平逆变器，可以帮助读者完成仿真任务，更方便的得到仿真波形(Three-level inverter, you can help the reader to complete the simulation tasks, and more convenient to get the simulation waveforms)

来自国外的2D phase unwrap 的matlab源码。基于branch cut(剪枝法) 及FloodFill（洪泛法）实现。速度很快。相位解卷绕精度高。(2D phase unwrap from abroad matlab source. Based branch cut (Pruning) and FloodFill (flooding method). Fast. Phase unwrapping high precision.)

TLBO Code for Unconstrained Functions-无约束条件的教师学习算法(TLBO Code for Unconstrained Functions)

时频分布wigner-ville的仿真,可以通过改变信号,来看函数的分布情况(time-frequency distribution of air to air-ville, the simulation can signal changes, look at the distribution function of)

DOA估 计 的 相 关 算 法，包括 ESPRIT算法，MUSIC算法，一阶前向预测算法等。(DOA Estimate of the related algorithm。Including the ESPRIT algorithm, MUSIC algorithm, the first-order forward prediction algorithm and so on. )

matlab环境下编写的一维激波管问题，用Hll格式和Roe格式求解黎曼问题(matlab environment prepared by the one-dimensional shock tube problem with Hll formats and Roe scheme for solving the Riemann problem)