Autonomous navigation based on x-ray pulsar timing

Details Autonomous navigation based on x-ray pulsar timing Autonomous navigation based on x-ray pulsar timing

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007spie.6795e.105l&link_type=abstract

Second International Conference on Space Information Technology. Edited by Wang, Cheng; Zhong, Shan; Wei, Jiaolong. Proceeding

Physics

Scientific paper

Celestial navigation is one kind of autonomous navigation technology which is suitable for navigation of deep space rovers. Autonomous navigation technology based on X-ray pulsars is under development. It could provide an essential backup navigation capability for missions that normally rely on GPS but have a need for continuity of operations in the event of loss or denial of GPS. Radiation from X-ray pulsars is relatively easy to be detected and recognized. X-ray pulsars provide with the potential to define a new time scale and frequency standard, they are nature reference constellation for deep space navigation. This paper introduces the principle of navigation based on X-ray pulsar timing. We also discuss the prospect of navigation application using China radio telescopes.

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