The distance from user to reference station influences the positioning accuracy definitively in local area differential GPS.

利用局域差分GPS进行定位时，只有当流动站位于基准站构成的多边形网内时，才可能得到较高的精度。

youdao

JPALS, designed and developed by Raytheon under a U.S. Navy contract, is an all-weather, all-mission, all-user landing system based on local area differential Global Positioning system (GPS).

由雷神公司在美海军的合同下设计并开发的联合精确进场和着陆系统(JPALS)，是一种全天候、全任务、全用户的着陆系统，基于当地的全球定位系统(GPS)。

youdao

JPALS, designed and developed by Raytheon under a U.S.Navy contract, is an all-weather, all-mission, all-user landing system based on local area differential Global Positioning system (GPS).

由雷神公司在美海军的合同下设计并开发的联合精确进场和着陆系统(JPALS)，是一种全天候、全任务、全用户的着陆系统，基于当地的全球定位系统(GPS)。

youdao