摘要
JAVAD是拓普康公司推出的GPS/GLONASS双星精密卫星定位仪。因该仪器使可用卫星增多,从而改善了在特殊环境下的连续观测;由于可对GLONASS卫星观测而增强了空间卫星的强度,利于GDOP值的减少;有了GLONASS卫星的观测值,可对纯GPS卫星的观测进行检核,提高了成果的可靠性。
The Javad is a precise satellite survey instrument of GPS/GLONASS double system produced by the TOPCON. Because of receiving more positioning satellites, it would improve continues survey under the special environment; Because it can receive the GONASS satellites positioning information, strengthened the graphic strength of satellites, that benefit of the decreasing worth of GDOP; As it receive the observation value of GLONASS, satellite, we can verify the GPS satellite positioning value with value of GLONASS, that increased the result's dependable.
出处
《物探装备》
2002年第4期288-290,共3页
Equipment for Geophysical Prospecting