GPS控制网在联测水准点的基础上,利用GPS水准高程来实现GPS网点的大地高向正常高转换,其精度主要受所拟合的似大地水准面、已知点高程和GPS网点大地高3种误差的影响。 更多还原
【Abstract】 GPS control network in the united measurable standards point,based on the use of GPS to achieve the level of elevation of the GPS network to normal earth high conversion,the precision is mainly affected by the fitting of the geoid,and GPS locations of known elevation points error of the earth or high impact. 更多还原