BEC overhead productivity.over-expenditure

BEC overhead productivity.over-expenditure overhead overhead overhead predetermined overhead high overhead routing overhead overhead storage product product code rate和overhead之间的关系?看FEC方面的文章,遇到了“A 20% overhead hard-decision Turbo product code”,不清楚overhead到底怎么算的?比如一个（n,k）码,code_rate = k/nredundancy = (n-k)/noverhead应该是什么呢? Share of overhead里面的overhead allocation ,overhead apportionment ,overhead absorption分别是什么意思? overhead project什么意思 如何减少 overhead cost overhead projector是什么意思 route overhead是什么意思? overhead-paging是什么意思 minimal computational overhead翻译