【摘要】 总结了作者所在单位多年来数据生产经验,并结合目前GPS测量技术在数据采集方面的应用,概括了四种更新技术方法及其相应生产流程,总结了各种方法的特点及适用范围,为基础地理信息数据更新生产技术方法的选取提供参考。更多还原

【Abstract】 Based on years of experiences in author’s unit and GPS technology, This paper summed up four kinds of fundamental geographic information updating technical methods and their work procedure, Furthermore, the author analysis the features and appropriate scope of every method. This paper is expected to help for fundamental geographic information updating.更多还原