Propose a plan of slight space debris observation via space-based imaging radar system previously designed. Based on the idea of differential orbit scan, the investigation focuses on the analyses of orbital scanning period, space area segmentation, radar parameters design and echoes record. In order to cope with weak signals detection, pulse accumulated arithmetic is considered. But because of the relative motion between observation platform and space object as well as the perturbations effected by other forces in space, the signal position in different echoes is dithering. Therefore, three kinds of correlated detection methods are proposed to adjust multiple group echoes. Simulations give the correction results of these methods and then through comparison, the maximum correlation and subsection correlation algorithms are chosen to be applied on the detection of different space environment.


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    Title :

    Research on observation of slight debris in space via space-based imaging radar


    Contributors:
    Guodong Xu, (author) / Xinghui Cao, (author) / Su fulin, (author)


    Publication date :

    2008-12-01


    Size :

    629469 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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