科研之友
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摘要
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.
- 出版日期2011-6-23
- 单位西安电子科技大学
