对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印-Sub-frame of the audio signal increases the Hamming window for each frame impletment third-order wavelet transform, whichever is close to the average coefficient (usually zero). a

波模极大值实现对图像的边缘检测 wavelet modulus maxima edge detection

小波变换实现微弱信号检测 BPSK QAM FSK-Wavelet transform weak signal detection BPSK QAM FSK

利用小波变换检测心电图R波,并给出模极大曲线 -R-wave detection using wavelet transform and give modulus maxima curve