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内容简介：第1章信息论基础1.7 1.8 p (s0 ) = 0.8p (s0 ) + 0.5p (s2 )p (s1 ) = 0.2p (s0 ) + 0.5p (s2 ) p (s2 ) = 0.5p (s1 ) + 0.3p (s3 )p (s3 ) = 0.5p (s1 ) + 0.7p (s3 )p (s0 ) + p (s1 ) + p (s2 ) + p (s3 ) = 1p (s0 ) = ， p (s1 ) = p (s2 ) = ，p (s3 ) = 1.9 Pe = q(0)p + q(1)p = 0.06 (1-0.06)﹡1000﹡10 = 9400 < 9500 ...
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