發送短信 : Wavelet frames of dilation factor M

 _    _     ______   _    _    __   __   _    _   
| || | ||  /_   _// | \  / ||  \ \\/ // | || | || 
| || | ||   -| ||-  |  \/  ||   \ ` //  | || | || 
| \\_/ ||   _| ||_  | .  . ||    | ||   | \\_/ || 
 \____//   /_____// |_|\/|_||    |_||    \____//  
  `---`    `-----`  `-`  `-`     `-`'     `---`