给出了分形计算的源代码的matlab程序，可以迅速帮助大家进行分形的分析与计算，参数容易设置-given fractal calculation of the source code of Matlab procedures, can help you quickly fractal analysis and calculation of parameters of easy setup

音频数字水印技术，采用小波变换，psnr、snr、nc等参数计算-Audio watermarking, DWT translation,parameter caculation