应用Google Earth更新电子航道图研究

摘要

This paper discusses the updating electronic navigational chart by using the high-resolution satellite imagery of Google Earth that is available for free.Through verifying the survey data of Tianj in port in the GE platform,the survey data accuracy and the GE measuring precision are analyzed,and the methods for updating electronic navigational chart by using the satellite imagery of Google Earth are proposed.%应用 Google Earth 免费提供的高分辨率卫星影像对电子航道图数据的更新进行探讨。文章通过对天津港港池码头岸线修测数据在 GE 平台上进行的验证，分析了修测数据精度和GE精度，提出了应用Google Earth卫星影像更新电子航道图数据的方法。