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计算机网络笔记：Physical Layer
source link: https://www.enoch2090.me/computer-networks-physical-layer
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2021 年 6 月 21 日
Notes for VE489, SU2021.
Digitization
SNRShannon Theory- bit rate
记一下 attenuation 就好 attenuation 都不用记，根本不考
双绞线同轴电缆光纤...Recommend
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