Overview of pulsar-based navigation

With the rapid and deep development of space exploration, the existing Earth-based navigation solutions will not be able to meet the increasing precision demand of future spacecraft. Pulsar are rapidly rotating neutron stars that generate pulsed electromagnetic radiation, which provides feasibility...

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Published inNanjing Xinxi Gongcheng Daxue Xuebao Vol. 7; no. 3; p. 241
Main Authors Zhou, Chenghong, Qian, Weiping, Guo, Junhai, Zhao, Hua
Format Journal Article
LanguageEnglish
Published Nanjing Nanjing University of Information Science & Technology 01.06.2015
Subjects
Deep space
Exploration
Feasibility
Navigation
Pulsars
Space exploration
Spacecraft
X-rays
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Summary:With the rapid and deep development of space exploration, the existing Earth-based navigation solutions will not be able to meet the increasing precision demand of future spacecraft. Pulsar are rapidly rotating neutron stars that generate pulsed electromagnetic radiation, which provides feasibility of precisely determining spacecraft time and position using X-ray pulsar. A detailed analysis in formation and radiation mechanism of X-ray pulsars is presented. The characteristics of the existing Earth-based navigation systems, as well as its limitations in deep space exploration, are analyzed, and then the principle of the autonomous celestial-based systems using X-ray pulsar is introduced. This paper gives an overview on the development of pulsar-based navigation and its key technologies including X-ray detector and gives a preliminary discussion on the radio pulsar navigation.
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ISSN:1674-7070