【简答题】假设信源是由q个离散符号S1,S2,…,Si,…Sq所组成的符号集合,集合中的每个符号是独立的,其中任一个符号出现的概率为P(Si),并满足∑P(Si)=1。那么符号Si含有的信息量I(Si)等于( ),单位是( ) A. –logq P(Si) B. logq P(Si) C. -log2 P(Si) D. log2 P(Si)@@@SXB@@@A.比特 B.信息熵 C. dB D.无单位
【简答题】Most banks in the US open at 9:00 a.m. or 10:00 a. m. and close 1 3:00p.m. and 5:00p.m., but stay open later on Fridays. Some banks have longer 2 . What's the best way to carry money 3 you're travelin...