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  _  _      ___     _    _    _    _     _____   
 | \| ||   / _ \\  | |  | || | || | ||  / ____|| 
 |  ' ||  | / \ || | |/\| || | || | || / //---`' 
 | .  ||  | \_/ || |  /\  || | \\_/ || \ \\___   
 |_|\_||   \___//  |_// \_||  \____//   \_____|| 
 `-` -`    `---`   `-`   `-`   `---`     `----`

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發送短信 : SHORT-TIME FOURIER TRANSFORMS AND GABOR FRAMES