spacecrafts

While guidance project of the spacecrafts' rendezvous is designed, completion of rendezvous under error condition is considered.

在进行航天器交会对接制导方案设计时，必须考虑在误差情况下航天器交会任务的实现。

This paper presents some equations of adjoint motion for spacecrafts moving in elliptic orbit of different plane.

本文给出在非共面椭圆轨道上运行的航天器的伴随运动方程。

As a hot spot on the research of space navigation in recent years, X-ray Pulsar-based Navigation ( XPNAV) can offer abundant navigation information, such as position, velocity, attitude and time etc. for the spacecrafts in near-Earth orbit, deep space and interplanetary space.

X射线脉冲星导航（X-ray Pulsar-based Navigation，XPNAV）是近几年空间导航领域研究的热点，可为近地轨道、深空及星际空间飞行的航天器提供位置、速度、姿态和时间等全面的导航信息。