On the basis of the principle of atmosphericdragperturbation this paper describes two methods: numerical method and combining both of analytical and numerical method.
根据大气阻力摄动的基本原理，给出两种摄动计算方法，即半分析半数伍方法和数值积分方法。
2
Atmosphericdrag is the main perturbation force on a low earth orbit satellite and is closely related to the variation of high atmospheric density.