disturbing body 定义其引力使所研究的天体轨道偏离圆锥曲线的天体。
本文对四元数体上矩阵奇异值摄动定理给出了推广，且这些结果对复矩阵也是新的。
The quaternion matrix singular value perturbation theorem is generalized and these results are also new one for complex matrix.
绕小行星运行的航天器由于受到摄动力的影响，运行轨迹会偏离二体假设下的圆锥曲线轨道。
Due to the dragging force, trajectories of spacecraft circling planetoid can departure from the standard taper curve orbit which is obtained by the two-body hypothesis.
通过对系统的不同参数摄动状态进行概率加权综合二次型指标寻优，实现了整个参数域的一体化设计。
By optimizing the probabilistic weighted synthesised linear quadratic performances for different states of parametric uncertainties, the unity design in the parameter space is achieved.
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