人造地球卫星的轨道由于大气阻力和地球引力场等因素的摄动，其形状和近地点位置将不断改变。
The shape and perigee of artificial satellite orbits shall continually variate due to caused by the atmospherical drag and the earth gravity.
在建立动力学模型中，计及了地球扁球形的摄动、大气阻力、太阳辐射压的效应以及日月引力摄动。
The dynamical model included the effects of the earth non-spherical shape, atmospheric drag, solar radiation pressure as well as lunar and solar perturbations.
给出快速计算卫星球谐摄动和地球引力系数递推关系式的一个新方法。
A new method of fast computing the spherical harmonic perturbation on satellites and the recurrence relations of the coefficients of the Earth's gravity are given.
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