解题方法
1 . 以
码的方式在信道内发送
位
码数据流,前
位为信息码,最后一位为奇检验码,使得
位
码数据流中
的个数为奇数,如若信息码为
,则检验码为
,所发送数据流为
.每位
码信号的传输相互独立,发送
时,收到
的概率为
,收到
的概率为
.接收方收到数据后,若数据流中
的个数是偶数个,则数据传输错误,要求重新发送该数据,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9f167445785292a76a4e70c76470a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524d82841eef6fdf059c710bea48c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ad629c700b4d376481f8e0f0fdd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e9d6bc0df05b17afddeaeb967ffeca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/073d0bb33ed73c05be3956502396b381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5dd57166a2cb8de2c4d818cd15fc4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fc97b0acc21bf52197d5a1e793671a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
A.![]() ![]() ![]() |
B.接收方要求重新发送该数据的概率为![]() |
C.若所接收数据流中![]() ![]() |
D.若所接收数据流中![]() ![]() |
您最近一年使用:0次
名校
2 . 已知函数
满足
,有
.
(1)求
的解析式;
(2)若
,函数
,且
,
,使
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7ca79164d6a6e6834425f428c2bb29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8befb6ffb9a4d955482b94ad9c7154f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4dfad781aa9407473ea3c0980e6905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab438a14d6afa5d8b4472f71d562bdd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc9bbe373e92375f4aba21b828c9439.png)
您最近一年使用:0次
2024-03-01更新
|
287次组卷
|
2卷引用:山西省运城市康杰中学2023-2024学年高一下学期开学考试数学试题
名校
3 . 已知函数
是偶函数,若函数
无零点,则实数
的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15f706eec7594c21cb11a7f4c32e9b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87f8a5bdb6944952affa1daf9268f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2024-03-01更新
|
251次组卷
|
2卷引用:山西省运城市康杰中学2023-2024学年高一下学期开学考试数学试题
名校
4 . 定义在
上的偶函数
满足
,且当
时,
,则曲线
在点
处的切线方程为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f015aeef68bad837ffdea277b6ddfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04614d0fac9cde995374a43d4323b723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067919774f34a1dec2a0476d419f46c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c9db397c0f983d64234fe2a3e85499.png)
您最近一年使用:0次
2024-03-01更新
|
191次组卷
|
2卷引用:山西省运城市康杰中学2023-2024学年高二下学期开学考试数学试题
5 . 已知抛物线
的焦点为
,过点
的直线
与抛物线交于
、
两点,与其准线交于点
,
为
的中点,且
,点
是抛物线上
间不同于其顶点的任意一点,抛物线的准线与
轴交于点
,抛物线在
、
两点处的切线交于点
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58acf95344d6e5759cb2e05a6e61a151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e712e6bcf935c4b58fcbd75fc7a38622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
A.抛物线焦点![]() ![]() |
B.过点![]() ![]() |
C.在![]() ![]() ![]() ![]() ![]() |
D.![]() |
您最近一年使用:0次
6 . 已知函数
,若方程
有四个不同的实根
,且满足
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94310218f8f9d987d6ef44c3dd12a07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bfd07ab815c3947383ebcffcc30ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
A.实数a的取值范围是![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
7 . 已知
,且
,则a,b,c的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d41077ef738456ee0174df9f9b67ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7d8a5a04fb616f6e6447f7be43319e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-14更新
|
262次组卷
|
2卷引用:山西省运城市2023-2024学年高一上学期期末调研测试数学试卷
8 . 已知函数
,且函数
在
上有且仅有5个零点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd8f06d7141747e2330118b5c428e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137d6a66a015ddd2a8076f35ed191927.png)
A.![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
9 . 已知函数
.
(1)求函数
的单调区间;
(2)若不等式
对任意
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2d6fff17198306cb6c8a9ff9d3024a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44ecf9a385b5f3a023a662b2e75a260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48350c9f896c18a64f27867ca81c9be2.png)
您最近一年使用:0次
10 . 设
是函数
的两个极值点,若
,则
的范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b8c76db646fd115d1f26e137c137bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169fa31adbaf8e4d7fb81737be59f09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次