【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
【单选题】Dialoge 2(P35) Listen to a dialogue between the police officer and the man who reports a theft.Listen once to get the main idea.Listen again and choose the best answer to each of the following questio...
【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】已知信息代码为 1 0 0 0 0 0 0 0 0 0 1 1,求相应的AMI码、HDB3码、PST码及双相码。
【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)