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

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發送短信 : BIT ERROR PROBABILITIES OF BDPSK, PI/2-BDPSK, QDPSK, AND PI/4-DQPSK OVER THE FREQUENCY NONSELECTIVE RICIAN FADING CHANNEL