Precession and nutation of the warhead and the wobble of decoys are the typical micro-motions of ballistic targets, and micro-Doppler analysis is a new way to investigate micro-motions. Based on the difference of micro-motions between the warhead and decoys, micro-Doppler signatures might be extracted for radar target identification, which is seen as a good method and a technique of great potential. We build micro-motion models of a ballistic missile target, including precession, nutation, and wobble; develop a novel model of micro-Doppler modulations based on the proposed concept of the micro-motion matrix; derive the formulas of micro-Doppler induced by the three micro-motions; and verify them by simulation studies. In order to further approach the actual case, the effective point scatterer model and the occlusion effect are considered in micro-Doppler, and the simulated results are shown compared with ones under the fixed point scatterer model and without the occlusion effect. In addition the precession experiment is performed in a microwave chamber, and the measured result is in accordance with the simulated result and the computed result.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Micro-Doppler Signature Extraction from Ballistic Target with Micro-Motions


    Contributors:
    Hongwei Gao, (author) / Lianggui Xie, (author) / Shuliang Wen, (author) / Yong Kuang, (author)


    Publication date :

    2010-10-01


    Size :

    4585999 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    Radar Micro-Doppler Signature Analysis with HHT

    Chengjie Cai, / Weixian Liu, / Fu, Jeffrey Shiang et al. | IEEE | 2010


    Micro-Doppler Separation Based on U-Net and Plot-Curve Association for Ballistic Target

    Yang, Degui / Wang, Xing / Peng, Zhenghong et al. | IEEE | 2023