Volume 7 Issue 5
Nov.  2018
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Zhang Pengfei, Li Gang, Huo Chaoying, Yin Hongcheng. Classification of Drones Based on Micro-Doppler Radar Signatures Using Dual Radar Sensors[J]. Journal of Radars, 2018, 7(5): 557-564. doi: 10.12000/JR18061
Citation: Zhang Pengfei, Li Gang, Huo Chaoying, Yin Hongcheng. Classification of Drones Based on Micro-Doppler Radar Signatures Using Dual Radar Sensors[J]. Journal of Radars, 2018, 7(5): 557-564. doi: 10.12000/JR18061

Classification of Drones Based on Micro-Doppler Radar Signatures Using Dual Radar Sensors

doi: 10.12000/JR18061
Funds:  Ministry Research Foundation, Ministry Key Laboratory Research Foundation
  • Received Date: 2018-08-23
  • Rev Recd Date: 2018-10-22
  • Publish Date: 2018-10-28
  • Classification of drones is important due to their increasing popularity and potential threats. The micro-Doppler signatures that depend on the rotation of rotor blades facilitate the classification of drones. To enhance the robustness of micro-Doppler based classification of drones, dual radar sensing classification scheme is proposed in this paper. First, time-frequency spectrograms are obtained by performing a short-time Fourier transform on the radar data collected by two radar sensors that have similar angular diversity. Then, principal components analysis is utilized to extract the features from the time-frequency spectrograms and the features obtained by the two radar sensors are fused together. Finally, the classification results are obtained by using the support vector machine. The experimental results show that the classification accuracy obtained by the fusion of dual radar sensors is 5% higher than that obtained by only using a single radar sensor.

     

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