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利用两个短弧段的天基测角资料实现对GEO空间目标的轨道确定是天基空间目标监视系统需解决的重要问题之一。将短弧段的主要测量信息表示为弧段属性,构造约束空间目标距离和径向速度的容许域,采用桁架平衡法对第一个短弧段的容许域三角剖分采样,以这些采样点的轨道预报第二个短弧段的弧段属性,通过分析预报值与实际值的差异,优先选取多个采样点的轨道作为初轨,分别对各初轨进行轨道改进。仿真结果表明,该方法能成功解算最小二乘轨道。
The determination of the orbit of GEO space targets using space-based goniometry data of two short arcs is one of the important issues to be solved in the space-based space object monitoring system. The main measurement information of the short arc is expressed as the attribute of the arc. The allowable domain of the confined space target and the radial velocity is constructed. The allowable domain triangulation of the first short arc is sampled by the truss balance method. With these sampling points The orbital characteristics of the second short arc are predicted by analyzing the difference between the predicted value and the actual value. The orbit of multiple sampling points is preferentially selected as the initial orbit, and the trajectories of each initial orbit are improved respectively. The simulation results show that this method can successfully solve the least square track.