FFT_practise_and_analysis

Cancelamento de ruido acustico

安装matlab7.0指南，有链接，步骤简单，适合任何操作系统，并用详细解说，例如虚拟机安装和matlab安装注意事项（针对不同的操作系统）(it is a directory for matlab )

是全息谱画图的函数，很有用的程序是全息谱画图的函数，能更具故障的数据来分析故障元婴(Holographic spectrum is drawing function, very useful programs )

这是一篇关于压缩检测的文章，稳重利用压缩感知的方法来解决通信系统中二元信号检测问题。(This is an article about the compression test, steady use of compressed sensing approach to solve the communication system with binary detection problem.)

matlab 简易播放器，可在matlab中播放音乐(matlab music)

generates noise series e

老师要求的实验作业，matlab上实现了dtmf。添加了gui界面(dtmf gui)

used to encrypt the input image using RAS algorithm

说明：  FIR和IIR滤波器，低通，高通，带通，附带注释(FIR and IIR filter, low-pass, high-pass, band-pass, with comments)

计算分形维数，里面提供了分线法、盒维法和三角棱柱法。(Calculate the fractal dimension, which provides a sub-line method, box dimension method and the triangular prism method.)