[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fP347imRSpRr6YyDGTCO9fkTpBuJkLMqGI9HbrCe18HI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-05-24 17:59:54",145821016,[8,9,10,11],"载频","信道板","电源模块","天线",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},98,"3152ed104bdeaf701933ad103bac8185","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8af2959118d6aa69cf9a8cebcc393af1.jpg","通信基站维护与管理--2022级","work_35280225","理论复习","基站通过( )器件将发射的信号送到覆盖区域",[21,32,41,50,59,68,77,86,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],145821009,[25,26,27,28],"GPRS","AMPS","TACS","GPS","GSM的2.5代通信系统是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],145821010,[36,37,38,39],"5MHz","10MHz","8MHz","6MHz","国家分配给联通公司的1800M的GSM频带宽度为( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],145821011,[45,46,47,48],"基站控制器和基站","交换机和基站","家区位置寄存器和基站","手机和基站","GSM基站子系统包括( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],145821012,[54,55,56,57],"200KHz","30KHz","3.75MHz","1.25MHz","GSM的一个频点的带宽是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],145821013,[63,64,65,66],"800MHz和1800MHz","900MHz和1900MHz","900MHz和1800MHz","800MHz和1900MHz","联通公司的GSM双频网是指( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],145821014,[72,73,74,75],"基站","基站控制器","交换机","位置寄存器","手机最先通过( )设备接入到移动通信网络",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],145821015,[81,82,83,84],"施主基站","边界基站","定向基站","参考基站","根据天线的辐射方式基站可以分为全向基站和( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],145821017,[93,94,95,96],"BCCH","FACCH","SDCCH","PCH","GSM的短消息是在( )信道传送的",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],145821018,[102,103,104,105],"功率控制","资源分配","切换控制","管理用户数据","下列那些功能不属于GSM基站控制器的功能( )"]