The biggest stories of 2024 are told through awe-inspiring satellite images, revealing some of the secrets behind the headlines, from national elections to extreme weather and a solar eclipse.

1. 提出了组合GNSS和部分星间测距观测量的分步动力学定轨和分步自适应定轨方法，严密推导了参数估计公式，该方法利于实现星载分步式处理，可极大减小星载处理运算量，为巨星座高精度自主定轨提供理论支持。 2.