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在假定推力-时间关系P=f(t)为两段成线性变化规律的已知函数情况下,求得考虑重量变化、推力偏心、摩擦力等因素的离轨参数的解析解,包括离轨速度和离轨时间。计算结果表明,和应用不忽略任何微量因素的微分方程进行数值积分所得结果十分相近。
Under the assumption that the thrust-time relationship P = f (t) is a known function of the two segments into a linear change law, an analytic solution of the off-orbit parameters considering weight change, thrust eccentricity and friction force is obtained, Speed and derailment time. The calculation results show that the numerical results obtained by using the differential equations without neglecting any trace factors are very similar.