STEM与日常科技·英语精读30篇（5）
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Satellite Constellation Coordination: Mitigating Spectrum Conflicts in Urban Broadband Deployment
卫星星座协同：缓解城市宽带部署中的频谱冲突
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As Starlink Gen2 and Kuiper terminals proliferate in apartment buildings, interference between Ka-band uplinks and 5G mmWave base stations becomes measurable near rooftop antenna arrays.随着星链第二代和柯伊伯终端在公寓楼中大量部署，Ka波段上行链路与5G毫米波基站之间的干扰在屋顶天线阵列附近已可测量。
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Regulatory filings now require spectrum-sharing agreements between satellite operators and municipal telecom authorities before permitting rooftop installations.监管申报现要求卫星运营商与市级电信主管部门在批准屋顶安装前签署频谱共享协议。
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Engineers deploy dynamic frequency selection (DFS) firmware that detects LTE eNodeB signals and shifts user terminal uplink channels in under 30 milliseconds.工程师部署动态频率选择（DFS）固件，可在30毫秒内检测到LTE基站信号并切换用户终端上行信道。
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Spectrum audits in Tokyo and Berlin reveal 17–29% of residential broadband outages correlate with concurrent satellite handover events near cellular band edges.东京和柏林的频谱审计显示，17%至29%的住宅宽带中断与卫星在蜂窝频段边缘附近的同步切换事件相关。
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Urban ISPs increasingly co-locate small-cell gateways with LEO terminal hubs to coordinate timing, power levels, and beamforming through shared network management APIs.城市ISP越来越多地将小基站网关与低轨卫星终端枢纽共址部署，通过共享网络管理API协调时序、功率和波束赋形。
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This coordination isn’t optional—it’s embedded in city-level digital infrastructure procurement contracts as a condition for spectrum license renewal.这种协同并非可选——而是作为频谱许可证续期的前提条件，写入市级数字基础设施采购合同。