New-folder

这是EMD的程序吧，里面的子程序也重新整理好的，本人已经调试成功！(This is the EMD program,it contains the subcode and I have debugging it sucessfully)

用matlab编写的世界地图和美国地图的函数文件，用于绘制matlab环境下的世界地图和美国地图(World map and the map of the United States using matlab function files used to draw the Matlab environment map of the world and the United States map)

Exponentially weighted covariance matrix

matlab的播放器，实现录音，放音，实时显示波形等功能(matlab player to achieve recording, playback, real-time features such as waveform)

基于matlab的ofdm系统仿真性能、源代码、原理(Performance of ofdm system based on matlab simulation, the source, and principle)

program to construct a siusoidal signal

Plot spectrum in specific form

说明：  基于MATLAB的直接序列扩频通信系统仿真，可以去参考一下(MATLAB-based direct sequence spread spectrum communication system simulation, you can go to reference)

小波分解的Mallat快速算法 Mallat快速算法的图像分解的Matlab代码(Matlab code image decomposition Mallat fast wavelet decomposition algorithm Mallat fast algorithm)

二自由度水箱液位控制。简单的小程序，简洁易懂。(Two-freedom level control.simple program.)