面向大众的GNSS接收机精度对比试验研究

Experimental Research on the Accuracy Comparison of GNSS Receiver for the Public

由于测量级GNSS接收机相对比较昂贵,且地面基站和移动站体积大、携带不方便等原因,使得商用GNSS测量系统的使用人群仅限于部分专业测量人员,难以在大众市场普及。针对无人机、机器制导、精密农业等众多领域对高精度定位需求的增加,本文探讨成熟的低成本载波相位GNSS定位系统在实际应用中的可能性。通过对U-BLOX的LEA-6T和NEO-M8T两款低成本OEM型GNSS接收机进行不同基线、不同时段下的静态观测和精度分析,结果表明这两台低成本GNSS测量系统能够达到厘米级定位精度,满足测量工作和GIS应用的需求,是测量级GNSS接收机中经济适用的选择。

Due to the relatively expensive measurement level GNSS receiver,the large size of ground base station and mobile station,and the inconvenience of carrying,the users of commercial GNSS measurement system are limited to some professional measurement personnel,which is difficult to be popularized in the mass market.In view of the increasing demand for high-precision positioning in many fields such as UAV,machine guidance,precision agriculture and so on,this paper discusses the possibility of mature low-cost carrier phase GNSS positioning system in practical application.Through the static observation and accuracy analysis of u-blox's lea-6t and neo-m8t low-cost OEM type GNSS receivers under different baselines and periods,the results show that the two low-cost GNSS measurement systems can achieve centimeter level positioning accuracy,meet the needs of measurement work and GIS application,and are the economic and applicable choice of measurement level GNSS receivers.