中值滤波可以很好地过滤掉各种噪音数据，另外，还可以很好地保留边缘信息。此程序可以对一维二维三维信号，进行中值滤波，完成噪声的去除。 -Median filter can filter out a good variety of noise data, In addition, the edge information can be well preserved. This program can be two-dimensional three-dimensional one-dimensi