利用Trimble RTX后处理技术开展港口控制测量

Develop port control surveys by using Trimble RTX post-processing technology

Trimble RTX是一种高精度的全球GNSS改正技术,将实时数据与创新的定位和压缩算法结合在一起,可提供厘米级的定位精度。RTX-PP是RTX后处理在线解算服务,可对上传的GNSS静态观测数据进行高精度解算。通过现场试验,统计RTX-PP获取港口工程控制点CGCS2000坐标的精度,试验结果表明:在线直接解算的CGCS2000坐标精度为分米级;解算坐标与已知坐标符合性较好,基线相对精度较高,满足D级精度要求;RTX-PP技术作业灵活,对已知点数量要求低,可广泛应用于港口工程控制点测量。

Trimble RTX is a high-accuracy,global GNSS correction technology that combines real-time data with innovative positioning and compression algorithms to provide centimeter level positioning accuracy.RTX-PP is an online solution service for RTX post-processing,which can perform high-precision calculations on uploaded GNSS static observation data.Through field test,RTX-PP obtained the accuracy of CGCS2000 coordinate of port engineering control point was counted.The test results show that the accuracy of CGCS2000 coordinate calculated directly online was decimeter level;the calculated coordinates were in good agreement with the known coordinates,the relative accuracy of the baseline was high,which satisfy the requirements of D-level accuracy.RTX-PP technology has flexible operation and low requirements on the number of known points,which can be widely used in port engineering control point measurement.