[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fkLsD23mcWGY3tex0Iz8EoiB1Ii88K2RxtkSC6fKtecQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-03-14 16:39:51",134027019,[8,9,10,11],"1","2","3","4",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},159,"1ac8bb4dd1698666c253fa120d1d2196","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b6c8ff2d66dbc5d8b79ed2d04bbca4a.png","移动通信技术与网络优化","work_32556572","2023期末综合练习题","中国移动全国通信网络是( )级结构",[21,32,35,44,54,63,72,78,87,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],134027017,[25,26,27,28],"CDMA2000","TD-SCDMA","WCDMA","一样宽","在第三代移动通信中,信道最宽的是( )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],134027021,[39,40,41,42],"5KHz","10KHz","15KHz","20KHz","LTE系统子载波带宽为( )KHz(1.0)",{"answer":45,"createTime":46,"id":47,"options":48,"question":53,"source":30,"type":31},[],"2024-03-14 16:39:52",134027023,[49,50,51,52],"3.01dB","3.1dB","4.77dB","6.02dB","三功分器的理想分配损耗是( )",{"answer":55,"createTime":46,"id":56,"options":57,"question":62,"source":30,"type":31},[],134027024,[58,59,60,61],"0.33m","0.17m","0.08m","0.66m","GSM900MHz频段对应的半波振子长度是( )",{"answer":64,"createTime":46,"id":65,"options":66,"question":71,"source":30,"type":31},[],134027025,[67,68,69,70],"用户开机","用户从一个位置区(LA)转移到另一个位置区(LA)","由网络通知手机做周期登记","电话接续","下列哪种情况,不需做位置更新( )(1.0)",{"answer":73,"createTime":46,"id":74,"options":75,"question":77,"source":30,"type":31},[],134027026,[76,11,9,8],"10","新建基站联合接地网的接地电阻值必须小于( ) Ω.(1.0)",{"answer":79,"createTime":46,"id":80,"options":81,"question":86,"source":30,"type":31},[],134027027,[82,83,84,85],"正比","反比","无关","不能确定","如果一个小区的话务量不变,呼损率与信道数之间的关系是怎样的?(1.0)",{"answer":88,"createTime":46,"id":89,"options":90,"question":95,"source":30,"type":31},[],134027029,[91,92,93,94],"频分多址","时分多址","码分多址","空分多址","GSM系统移动没有采用的多址方式包括( )(1.0)",{"answer":97,"createTime":46,"id":98,"options":99,"question":103,"source":30,"type":31},[],134027031,[8,100,101,102],"-1","1或-1","0","扩频码C1自身与自身相乘,C1*C1=等于( )(1.0)"]