1 . 一个二元码是由
和
组成的数字串
(
),其中
(
,
,
,
)称为第
位码元,二元码是通信中常用的码,但在通信过程中有时会发生码元错误(即码元由
变为
,或者由
变为
).已知某种二元码
的码元满足如下校验方程组:
,其中运算
定义为:
,
,
,
.已知一个这种二元码在通信过程中仅在第
位发生码元错误后变成了
,那么用上述校验方程组可判断
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/befe5d138993ca3d858c584d2b2768ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596afe6f8149e39c53d36a759bee6151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3825c4d248eb61f80d236b78086eee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a031dcc5c349c204498a8c285ca93b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01e19990102a7077b5eb46273e5ef18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7ce9b90403983a6e6755f07e622b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6fe938141721f35e1f87cb0af12090f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616403935c63b858f879051c4e7e5af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2702b4829c9d79cdb54d4d5ca6bfc0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-04-04更新
|
1001次组卷
|
3卷引用:江苏省连云港市2022届高三下学期二模数学试题
江苏省连云港市2022届高三下学期二模数学试题广东省茂名市2022届高三下学期调研(三)数学试题(已下线)第一篇 代数与近世代数 专题2 群、环、域等新定义问题 微点2 群、环、域等新定义问题综合训练加习题
2 . (1)请用分析法证明:
;
(2)请用反证法证明:设
,
,则
与
中至少有一个不小于2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c92b7efd491be671cf3f9ee6ed35c37.png)
(2)请用反证法证明:设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2582892eba557b99dbe879efb9754d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b00099c87d4771161c1eedad1c5f0c.png)
您最近一年使用:0次
2020-12-27更新
|
747次组卷
|
3卷引用:河南省中原名校2021-2022学年高二下学期第二次联考理科数学试题