[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9v_x99a-HR_IMlnFDShMKXFmo_HgnOyW3FGIaq96P0A":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":21,"type":43},[],"2023-11-06 12:16:04",103678192,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"379d920f33257bf587c42edcbd89e62c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2f96d992f246862e693ca63bc58ba8ac.png","移动网络规划与优化","dbm是体现功率相对值的量",[16,23,28,33,38,44,47,52,57],{"answer":17,"createTime":5,"id":18,"options":19,"question":20,"source":21,"type":22},[],103678185,[],"4G微小站包括 、 和","v1",2,{"answer":24,"createTime":5,"id":25,"options":26,"question":27,"source":21,"type":22},[],103678186,[],"如果某种馈线传输100m损耗4dB,那么长度为50m的馈线损耗为 dB",{"answer":29,"createTime":5,"id":30,"options":31,"question":32,"source":21,"type":22},[],103678187,[],"假设覆盖区每平方公里LTE用户数为3000人.每个用户月均流量是2GB,忙时流量与全天总流量的比值为15%,忙时峰值吞吐量为忙时平均吞吐量的2倍.基站站型为S111,小区平均吞吐量为20Mbit\u002Fs,单站可承载的用户数为 人;每平方公里需要建设的站点数为 个",{"answer":34,"createTime":5,"id":35,"options":36,"question":37,"source":21,"type":22},[],103678190,[],"4G站型配置中,分为 、 和 三层",{"answer":39,"createTime":5,"id":40,"options":41,"question":42,"source":21,"type":43},[],103678191,[8,9],"一般来说,用户数越多,干扰余量越大",3,{"answer":45,"createTime":5,"id":6,"options":46,"question":14,"source":21,"type":43},[],[8,9],{"answer":48,"createTime":5,"id":49,"options":50,"question":51,"source":21,"type":43},[],103678193,[8,9],"如果接收机接收的信号小于接收机灵敏度,则不能正常解调",{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":21,"type":43},[],103678195,[8,9],"网络规划需要针对各个地区的地理环境进行测试,通过分析与计算等手段对传播模型的参数进行修正",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":21,"type":43},[],103678196,[8,9],"低频段组网的覆盖效果较好"]