| 1 | Simulation of the Earth' s gravitational field recovery from GRACE using the energy balance approach显示文摘Based on the measurement principles of GRACE satellites, the observation equations are set up using the energy balance approach. The Earth's gravitational field complete up to degree and order 120 is recovered applying the preconditioning conjugate gradient iterative approach by numerical simulation. Assuming an accuracy of 1?m/s in range-rate measurements of the K-band microwave ranging system, the matching relationships of accuracies of K-band microwave ranging system, SuperSTAR Accelerometer, position vector and velocity vector measurements are investigated. | ZHENGWei LUXiaolet HSUHoutse SHAOChenggang LUOJun WANGNengchao | 2005 | Progress in Natural Science:Materials International2005，15，7： | 28 |
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