[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

定位安全帽需区分卫星定位(GPS/北斗)与基站/WiFi定位:室外空旷区北斗+GPS双模精度可达米级,室内或高楼遮挡场景卫星失效需依赖LoRa/UWB或WiFi辅助定位,纯卫星定位型号进入厂房后会出现漂移或丢点

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85%
Confidence
Long-term
Relevance
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