测绘与空间地理信息
測繪與空間地理信息
측회여공간지리신식
GEOMATICS & SPATIAL INFORMATION TECHNOLOGY
2015年
1期
114-116,119
,共4页
宋黎民%苑庆中%宋雷
宋黎民%苑慶中%宋雷
송려민%원경중%송뢰
SDCORS系统%网络RTK%虚拟参考站
SDCORS繫統%網絡RTK%虛擬參攷站
SDCORS계통%망락RTK%허의삼고참
SDCORS system%Network RTK%virtual reference stations
针对基于SDCORS网络RTK测量精度进行研究,通过实验分别对两种GPS接收机安置方式的测量精度进行对比,并对网络RTK测量精度的时间变化进行分析,结果表明:1)网络RTK平面控制测量时应该使用三脚架安置GPS接收机。对于高程测量,利用三脚架与对中杆安置GPS接收机对大地高程测量精度影响较小;2)网络RTK测量偶有大误差测量结果出现,应取多次观测结果进行成果检核;3)网络RTK测量相近历元的观测误差具有相关性,如果有条件,最好在不同时间段多次测量取平均值。
針對基于SDCORS網絡RTK測量精度進行研究,通過實驗分彆對兩種GPS接收機安置方式的測量精度進行對比,併對網絡RTK測量精度的時間變化進行分析,結果錶明:1)網絡RTK平麵控製測量時應該使用三腳架安置GPS接收機。對于高程測量,利用三腳架與對中桿安置GPS接收機對大地高程測量精度影響較小;2)網絡RTK測量偶有大誤差測量結果齣現,應取多次觀測結果進行成果檢覈;3)網絡RTK測量相近歷元的觀測誤差具有相關性,如果有條件,最好在不同時間段多次測量取平均值。
침대기우SDCORS망락RTK측량정도진행연구,통과실험분별대량충GPS접수궤안치방식적측량정도진행대비,병대망락RTK측량정도적시간변화진행분석,결과표명:1)망락RTK평면공제측량시응해사용삼각가안치GPS접수궤。대우고정측량,이용삼각가여대중간안치GPS접수궤대대지고정측량정도영향교소;2)망락RTK측량우유대오차측량결과출현,응취다차관측결과진행성과검핵;3)망락RTK측량상근역원적관측오차구유상관성,여과유조건,최호재불동시간단다차측량취평균치。
This paper mainly research the precision of network RTK surveying based on SDCORS .The surveying precision of two way to install GPS receiver were compared and the time change of network RTK precision was analyzed by experimentation .The results show that:1)The plane control surveying by network RTK should using tripod to install GPS receiver and the height control surveying precision of two way to install GPS receiver have few influence .2) The big error were occasional occurred in network RTK surveying , and the result of network RTK should check by more surveying .3) The error of network RTK contiguous observation have close perti-nence.The average of repetitious surveying results on different time is a good method to enhance precision .