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

利用加窗插值FFT实现谐波分析，本程序计算准确-Interpolation using windowed FFT Harmonic Analysis, an accurate calculation of this procedure

数据安全小工具，采用托盘图标、悬浮窗、鼠标拖拽、右键菜单的简单操作模式，提供文件、文本的加解密(RC4+AES)、Hash(MD5+SHA1)、安全擦除等功能。独有的“智能压缩”加密模式。-Data security gadget tray icon, floating window, drag the mouse, right-click menu of simple operating mode, file encryption and decryption of the text (RC4

FIR直接卷积运算 加窗函数 hann采样频率128000 截止频率5-Hann FIR convolution operation directly add window function