CRC 校验码
问题1设发送信息为11011011，生成多项式g(x)=x5+x3+x2+1，求CRC 校验码。
解答：发送数据为f(x)=11011011，多项式g(x)=101101
11111100
01100
000000
001100___
__________000000
000110
___
__________101101
101110
___
__________101101
111010
___
__________101101
110000
___
__________101101
110101
___
__________101101
110111
___
__________101101
000
1101101100101101aaaaaaaa aaaaaaa aaaaaaa aaaaaa aaaaaa aaaaa aaaaa aaaa aaaa aaa aaa aa aa a a 所以校验字段R(x)=01100
则接受数据为f `(x)=1101101101100；
验证接受的正确性：
11111100
000000_____________101101101101_____________101101111011_____________101101110000_____________101101
110101_____________101101
110111
_____________101101
100
1101101101101101aaaaaa aaaaa aaaaa aaaa aaaa aaa aaa aa aa a a
