Nutation feature extraction of ballistic missile warhead

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Nutation feature extraction of ballistic missile warhead

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© The Institution of Engineering and Technology
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To elucidate nutation signatures, the model of nutation for a ballistic missile warhead is established and formulas of micro-Doppler induced by a target with nutation are derived. Two micro-Doppler features, which are micro-motion period and micro-Doppler bandwidth, are extracted based on high-resolution time-frequency transform. The validity of the features extracted in this reported work is verified by computer simulations even with low signal-to-noise ratio.

Inspec keywords: feature extraction; Doppler effect; missiles; ballistics; time-frequency analysis

Other keywords: feature extraction; nutation feature extraction; microDoppler feature; high resolution time frequency transform; micromotion period; signal-to-noise ratio; microDoppler bandwidth; ballistic missile warhead; elucidate nutation signature; nutation model

Subjects: Electromagnetic wave propagation; Mathematical analysis; General aspects of aircraft, space vehicles and satellites; Military circuits, components, and equipment

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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2011.0580
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