As the pulsar signal is extremely weak and discontinuous, the spacecraft needs to observe the target pulsar for a long duration to accumulate photons enough to extract the pulse TOA [1]. During the observation period of pulsar, the position of spacecraft has to be predicted by propagating the orbital dynamics model, resulting in the position error presents a nonlinear growth. Additionally, the low-thrust deep space explorers cannot autonomously position by only fusing the information of dynamics and pulsar measurement.


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    Title :

    X-Ray Pulsar/Multiple Measurement Information Fused Navigation


    Additional title:

    Navigation: Science and Technology


    Contributors:
    Zheng, Wei (author) / Wang, Yidi (author)


    Publication date :

    2020-04-18


    Size :

    24 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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