[問題] QAM
最近在讀Porakis的Digital Communication
在QAM的地方有點問題
QAM(special case, not rectangular constellation)
可以看成是PAM-PSK組成的
可是PAM不是只有一維嗎?
那麼由PAM-PSK constellation要怎麼分辨出哪些點是PSK,哪些點是PAM組成的呢?
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※ 編輯: coweyes 來自: 134.71.48.88 (10/13 11:41)
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10/13 11:43, , 1F
10/13 11:43, 1F
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10/13 11:45, , 2F
10/13 11:45, 2F
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10/13 11:46, , 3F
10/13 11:46, 3F
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10/13 11:49, 4F
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10/13 11:49, 5F
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10/13 11:52, 6F
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10/13 11:53, , 7F
10/13 11:53, 7F
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10/13 11:53, 8F
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10/13 15:50, , 9F
10/13 15:50, 9F