99年檢事官,電腦網路 Shannon`s Law - 高考
By Hardy
at 2013-08-16T17:28
at 2013-08-16T17:28
Table of Contents
題目:
依據項農理論(Shannon theory),有一條 T1 載體(carrier)在信號雜訊比
(signalto-noise ratio, SNR)為20dB之環境下,
其最大傳輸速率(transmission rate)為何?(20 分)(Note: log102 = 0.301)
解答一:
http://smartcsie.org/08161.jpg
解答二:
http://smartcsie.org/081612.jpg
個人看法:
我覺得解答二比較像
96高考出過,當時是說頻道以4k下去切割,所以頻寬代4k進去
上面兩個答案,哪一個是對的呢?
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高考
All Comments
By Rosalind
at 2013-08-20T20:50
at 2013-08-20T20:50
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