Numerical differential method and energy balance approach are applied respectively to recover the geopotential coefficients until 50 degree based on the simulated observation datum of CHAMP.
基于模拟的CHAMP卫星观测数据，分别用数值微分法和能量守恒法恢复50阶次的重力位系数。
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This article proposed the technology of appraising common-mode noise with taking the energy as the datum and FPGA as the main component.