GPS标称误差15米。用差分GPS，根据地面站精确位置和卫星计算位置之差，提供校正信号，可使GPS误差降至1~3厘米。

来源: 半垧于 2024-08-14 09:33:36 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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