frft

代码说明：

  这是离散分数傅里叶，传输2D的图像加密解密，还有密钥的加密解密(This is the discrete fractional Fourier, transmission 2D image encryption, as well as the encryption key to decrypt)

文件列表：

program
.......\decode.m,777,2009-11-23
.......\encode.m,1252,2009-11-23
.......\frft_conv.m,692,2009-05-20
.......\keyreceive.m,460,2009-11-23
.......\keysend.m,301,2009-11-23