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中文摘要：
在我国自主实施的交会对接任务中,2个空间目标进行了数次对接试验,在近距离导引段使用星间测量数据进行自主导引.针对2个航天器对接过程中的星间测量数据建立观测模型,并设计了多目标定轨的算法,将单目标的绝对测量融合到两目标联合定轨的技术中,实现了对空间多个目标的精确定轨.最终分析表明,星间测量数据优于地面测量精度,多目标定轨达到了地面精确测控的水平,同时避免了由于多目标同时跟踪而导致的地面测控资源分配的问题,为后续载人航天任务的测控模式提供了借鉴.
英文摘要：
In the rendezvous and docking tasks completed by China itself,Shenzhou spacecraft performed several docking experiments with the Tiangong-l target spacecraft.When the two spacecrafts operates on docking,the measurement devices on the spacecrafts completed the procedure from directing to docking automatically.The measurement data including microwave radar data,laser radar data and differential GPS data are downloaded to the control center on earth through remote sensing.This paper builds observation model based on the above measurement data between two spacecrafts and designs the multi-targets compound orbit determination algorithm.At last,the analysis shows that the method reaches ground TT＆C application precision level,and avoids tracking more targets cause TT＆C resource allocation problem,and can support the subsequent task.
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