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  _____      ___     _____     _    _             
 / ____||   / _ \\  |  __ \\  | || | ||     ___   
/ //---`'  / //\ \\ | |  \ || | || | ||    /   || 
\ \\___   |  ___  ||| |__/ || | \\_/ ||   | [] || 
 \_____|| |_||  |_|||_____//   \____//     \__ || 
  `----`  `-`   `-`  -----`     `---`       -|_|| 
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發送短信 : Nyquist WDM superchannel using offset-16QAM and receiver-side digital spectral shaping