Digital-Filtering-Tutorial

这是一个实现基于小波变换的融合算法的源代码，对于研究图像融合的专家具有重要的参考价值(this is the image fusion sourcecode )

说明：  手写傅里叶反变换，通过矩阵变换实现的傅里叶逆变换，修改读入图像名就可以实现对应图像的傅里叶反变换，并与MATLAB内置函数进行比较(Inverse Fast Fourier Transform)

利用matlab对声音信号进行傅里叶变换，得到信号的频率图，进而对信号的特征进行分析。(Use of matlab Fourier transform of the sound signals, to get the signal frequency plot, and then analyze the characteristics of the signal.)

Type-2 Fuzzy Toolbars Source Function for it2fuzzyv1

Matlab中实现轮对分析的程序源码和相关的程序源码包，，能实现火车轮轨接触关系的分析 (Round of analysis of program source code and related procedures source package in Matlab, train wheel-rail contact analysis of the relationship)

基于的FSK的matlab，完整的程序，有能相关的说明和注释，有需要的朋友下载吧~(Based on the matlab FSK, complete program and relevant instruction and comments, the need to download friends ~)

软件无线电中的信号抽取程序，包括抽取后的频谱分析(software radio signal extraction procedures, including spectral analysis after extraction)

有关PPCA的计算程序，具体可见内部文件及说明，程序比较经典，很值得参考！(the PPCA the calculation procedures, visible and internal documents show that classical procedures that it is worthy reference!)

B样条的插补代码，通过MATLAB生成图形(B-spline interpolation code generated by MATLAB Graphics)

专家PID控制matlab代码M文件。具有响应快速，无超调的特点。(Expert PID control matlab code M-file. Has a fast response, no overshoot characteristics.)