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【简答题】
现有一个有8个等概率符号组成的信源消息符号集,各符号间相互独立,每个符号的宽度为0.1ms,其平均信息量为( ),码元速率为( ),平均信息速率为( ),该信源工作2小时后所获得的信息量为( ),若把各符号编成二进制比特后再进行传输,在工作2小时后发现了27个差错比特,则误比特率为( )。
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