[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f0wkhg0tuzr4Q968lmCJQ-o15czthTtWBJE-d3Wv5gCs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-22 04:41:27",238925764,[8,9,10,11],"信号频响、电平、阻抗","信号强度","图像分辨率","传输距离",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","c1dd52e27c7047d192e7f2e163b38811","6.2章节测验","视频分配器的核心作用是将一路视频输入转换为多路输出,且保证什么不变?( )",[21,32,41,50,59,68,77,86,95,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],238925756,[25,26,27,28],"模拟视频监控系统","数字视频监控系统","网络视频监控系统","卫星视频监控系统","城市轨道交通闭路电视监控系统不包括以下哪类?( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],238925757,[36,37,38,39],"数字信号","模拟视频信号","网络信号","音频信号","模拟视频监控系统中,摄像头与监视器之间传输的是什么信号?( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],238925758,[45,46,47,48],"1 路","2 路","4 路","8 路","数字视频监控系统中,车站与控制中心之间若采用 E1 通道传输视频信号,一个 E1 通道最多可传输几路标清视频信号?( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],238925759,[54,55,56,57],"1-2 路","3-5 路","十几路","几十路","基于 SDH 的 MSTP 技术引入后,100Mbit\u002Fs 以太网传输通道能传输多少路标清电视质量的视频信号?( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],238925760,[63,64,65,66],"无线广域网","计算机局域网(LAN)","电话网","卫星网","网络视频监控系统的组网方式采用什么网络?( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],238925761,[72,73,74,75],"定焦距镜头","广角镜头","电动变焦镜头","红外镜头","摄像机按功能分类不包括以下哪种镜头?( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],238925762,[81,82,83,84],"模拟摄像头","数字或网络摄像头","固定摄像头","一体化摄像头","数字信号处理芯片(DSP)仅用于哪种类型的摄像头?( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],238925763,[90,91,92,93],"防尘","防盗","降温、升温、防雨","防破坏","室外防护罩相比室内防护罩,额外具备的功能是?( )",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],238925765,[102,103,104,105],"4 个","9 个","16 个","32 个","画面分割器最多可在一台监视器上同时显示多少个监控画面?( )"]