程序代码说明 P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波

心电信号加入0.5Hz的基线漂移，通过0.5Hz高通滤波器，滤波后的波形与原波形的对比 ，滤波器特性曲线分析；信号加入50Hz工频漂移，通过50Hz陷波器，滤波后的波形与原波形的对比 ，滤波器特性曲线分析,ECG baseline drift by adding 0.5Hz, 0.5Hz through a high-pass filter, filtering of the waveform after the comparison with the original waveform, fi

音频信号处理，主要完成对于音频信号的滤波，内含自己编写的低通、高通和带组数字滤波器源码-Audio signal processing, mainly to complete the filtering for audio signals, including the preparation of their own low-pass, high-pass digital filter and source code with group

matlab IIR 低通，高通和带通滤波器完整程序,本人花了好多时间自己写的,有滤波前后图形对比!-matlab IIR filters and low-pass，high-pass and band-pass filter the full process, I spent a lot of time to write my own, there is before and after the graphic correlation filter!