[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1ob5PCTs6LtFzA7KYLIjAvMTozXOFxRHNxXzt2dl_oI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":26,"type":74},[],"2025-12-10 17:58:06",258757798,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},8,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","c726a671ed3c4aef9e40e6578bb66d6a","VHF数据链","L-DACS(L-band Digital Aeronautical Communication System)即 L 频段数字航空通信系统是未来面向( )阶段的空地数据链路,它采用正交频分复用(OFDM)技术,符合先进 ATN 网络协(ATN\u002FIPS) ,主要用于飞机与地面管制中心、航空公司运 控的数据交换服务",[17,28,35,44,53,61,66,71],{"answer":18,"createTime":19,"id":20,"options":21,"question":25,"source":26,"type":27},[],"2025-12-10 17:57:21",258757400,[22,23,24],"DCL","ADS-C","CPDLC","FANS 1\u002FA不支持以下哪种空中交通交通服务","v1",0,{"answer":29,"createTime":19,"id":30,"options":31,"question":34,"source":26,"type":27},[],258757401,[22,32,23,33],"OCL","D-ATIS","ACARS ATS 不支持以下( )空中交通服务",{"answer":36,"createTime":19,"id":37,"options":38,"question":43,"source":26,"type":27},[],258757404,[39,40,41,42],"FANS1\u002FA","FANS1\u002FA+","ATNB1","CSP","不同的ATS单位地面系统和飞机系统是互通的.每种类型的ATS单位和航空器数据链系统被指定一个特定代号.以下哪个不是数据链代号",{"answer":45,"createTime":19,"id":46,"options":47,"question":52,"source":26,"type":27},[],258757405,[48,49,50,51],"ARINC","ADCC","AEROTHAI","AVICOM","下面哪个是中国的地空通信网络服务商",{"answer":54,"createTime":5,"id":55,"options":56,"question":59,"source":26,"type":60},[],258757792,[57,58],"正确","错误","VDL2采用面向比特传输协议,可兼容ACARS系统",3,{"answer":62,"createTime":5,"id":63,"options":64,"question":65,"source":26,"type":60},[],258757794,[57,58],"AeroMACS(Aeronautical Mobile Airport Communications System) 是面向机场场面区域的航空宽带移动通信系统,它可以为机场场面、廊桥区域提供宽带无线网络连接",{"answer":67,"createTime":5,"id":68,"options":69,"question":70,"source":26,"type":60},[],258757796,[57,58],"VDL2调制方式为8相移键控(8DPSK),物理层带宽为25kHz,信息传输率为31.5Kbps,采用面向比特传输协议",{"answer":72,"createTime":5,"id":6,"options":73,"question":15,"source":26,"type":74},[],[],2]