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

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          Abstract

          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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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 October 2018
          : 7
          : 5
          : 557-564
          Affiliations
          [1 ] ①(Department of Electronic Engineering, Tsinghua University, Beijing 100084, China)
          [2 ] ②(Beijing Institute of Environmental Features, Beijing 100854, China)
          Article
          7cbe99922dfd4fa587ddd509bf0653f5
          10.12000/JR18061

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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