介绍了脉冲星导航定位和授时服务的原理及方法,阐述了利用脉冲星进行航天器自主导航定位及授时的特点。认为脉冲星用于航天器导航授时服务,有可能进一步提高其时钟信息的长期稳定性,应用前景值得期待。
The basic theory and the character of pulsar autonomous navigation positianing and timing for spacecraft are introduced. Long-term stability of clook information may be luther improved. The prospect of application should be looking formard to.