We can use four variations of a signal and let each phase shift represent two bits (4-PSK). Then we can transmit data two times as fast using 4-PSK as 2-PSK.是什么意思_We can use four variations of a signal and let each phase shift represent two bits (4-PSK). Then we can transmit data two times as fast using 4-PSK as 2-PSK.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句