supported by the National High-Tech Research&Development Program of China(Grant No.2006AA06A202);the Youth Innovation Foundation of China Aero Geophysical Survey&Remote Sensing Center for Land and Resources(Grant No.2010YFL05)
China has developed an airborne gravimetry system based on SINS/DGPS named SGA-WZ, the first system in which a strap- down inertial navigation system (SINS) has been used for airborne gravimetry in China. This gravi...
supported by Chinese Science Fund(Grant No.40374001).
How to determine the earth’s external gravity field with the accuracy of O(T2) by making use of GPS data and gravity values measured on the earth’s surface is dealt with in this paper. There are two main steps: to e...