[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f6Z1Qyypli-LZukCeYixsGaNMvxz-tBn4u4PzU2FhYIY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-11-12 16:59:06",165607347,[8,9,10,11],"2G","5G","4G","3G",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"888485709a1dd917798997ce63b55af6","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F43c163a2993eefa4129f71db7596cac5.jpg","探秘移动通信","exam_137079835","期中考试","LTE标准技术属于哪一代通信()",[21,32,41,50,59,69,72,81,90,100],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],165607340,[25,26,27,28],"双向","单工","双工","半双工","通信双方在通话时同时可以收发信息的工作方式是()","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],165607341,[36,37,38,39],"空分多址","频分多址","时分多址","码分多址","上世纪80年代第一代模拟移动通信系统所使用的多址技术为( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],165607342,[45,46,47,48],"载波信号","数字信号","模拟电流信号","调制信号","声音旅行的第一站,就是通过话筒,将声音信号转变为( ),实现第一次华丽的变身.",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],165607343,[54,55,56,57],"实现高速传输","模拟传输","保密性好","数字传输","第一代移动通信系统的典型特点是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":68,"source":30,"type":31},[],165607345,[63,64,65,66,67,67],"基站控制器BSC和移动业务交换中心MSC之间","手机MS和基站控制器BSC之间","手机MS和基站收发信台BTS之间","站收发信台BTS和基站控制器BSC之间","","以下哪两个设备之间的接口是采用的无线电磁波通信?",{"answer":70,"createTime":5,"id":6,"options":71,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":30,"type":31},[],165607349,[76,77,78,79],"调制技术","复用技术","多址技术","编码技术","在移动通信系统中,用于区分不同用户的技术是",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":30,"type":31},[],165607351,[85,86,87,88],"TD-SCDMA","WCDMA","CDMA-IS95","CDMA 2000","以下采用时分双工TDD的移动通信系统是()",{"answer":91,"createTime":92,"id":93,"options":94,"question":99,"source":30,"type":31},[],"2024-11-12 16:59:07",165607353,[95,96,97,98],"波形编码","混合编码","参量编码","交织编码","声音信号常用的信源编码技术不包括().",{"answer":101,"createTime":92,"id":102,"options":103,"question":106,"source":30,"type":31},[],165607354,[104,105,85,86],"CDMA2000","GPRS","以下哪一种技术是我国自主研发的3G 技术"]