【判断题】HDB3 码和 AMI 码相比, HDB3 码最大优点是消除了连“ 0 ”现象。
【简答题】二进制信息为1 1 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 1 1 ,请写出HDB3码。
【简答题】HDB3码为-1 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1,原信息代码为( )。
【单选题】HDB3 码“+ 0 - + 0 0 0 + 0 0 0 - + - 0 0 - 0 0 0 +”进行译码的结果是______。444
【判断题】HDB 3 码中最长的连 0 码为 4 个 0。
【单选题】下列选项中不属于卫生法学主要研究内容的是( )
【单选题】Listen to the interview presented by "Visions of the Future".Listen once to get the main idea.Listen again and choose the best answer to each of the folling questions. (Dialogue 3 P19) 1.What is the t...
A.
City growth and planning in the 21st century.
B.
Population growth in the 21st century.
C.
Transport designing in the 21st century.
【简答题】Listen again and decide whether the following statements are true ( T ) or false ( F ). 1) Whether we are happy or not is mostly decided by our attitude to life. 2) It’s helpful to complain when we co...
【简答题】已知HDB3码为码为-1 0 1 -1 0 0 -1 1 -1 1 0 0 0 1 -1 0 1 -1,与之对应的原单,与之对应的原单极性二进制码序列为()。
【简答题】Listen again and fill in the blanks. (1)