A.無(wú)法確定B.logr-1比特每符號(hào)C.-logr比特每符號(hào)D.logr比特每符號(hào)
A.下面選項(xiàng)都不正確B.離散信源為等概分布,熵的值最大C.離散信源為確定信源,熵的值最大D.離散信源為不等概分布,熵的值最大
A.上凸型的凸函數(shù)有統(tǒng)計(jì)平均值的函數(shù)值大于等于函數(shù)值的統(tǒng)計(jì)平均值B.上凸型的凸函數(shù)有統(tǒng)計(jì)平均值的函數(shù)值大于函數(shù)值的統(tǒng)計(jì)平均值C.上凸型的凸函數(shù)有統(tǒng)計(jì)平均值的函數(shù)值小于等于函數(shù)值的統(tǒng)計(jì)平均值D.上凸型的凸函數(shù)有統(tǒng)計(jì)平均值的函數(shù)值小于函數(shù)值的統(tǒng)計(jì)平均值