Helicopter classification via period estimation and time-frequency masks

Zhang, Rui and Li, Gang and Clemente, Carmine and Varshney, Pramod K. (2015) Helicopter classification via period estimation and time-frequency masks. In: 6th IEEE Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP 2015), 2015-12-13 - 2015-12-16. (https://doi.org/10.1109/CAMSAP.2015.7383736)

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Abstract

The rotation of blades of a helicopter induces a Doppler modulation around the main Doppler shift, which is commonly called the micro-Doppler signature and can be used for target classification. In this paper, an automatic helicopter classification method is proposed by estimating the period of the micro-Doppler signature and identifying the number of blades via time-frequency masks. The advantages of this method are threefold: (1) it determines the number of blades automatically; (2) it significantly reduces the computational burden compared to the classical model dictionary-based classification methods; (3) it is robust with respect to the inclination of the helicopter. The effectiveness of the proposed approach is validated by using both synthetic and real data.

ORCID iDs

Zhang, Rui, Li, Gang, Clemente, Carmine ORCID logoORCID: https://orcid.org/0000-0002-6665-693X and Varshney, Pramod K.;