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Micro-Doppler signatures for sensing micro-motion

Micro-Doppler signatures for sensing micro-motion

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The micro-Doppler signature is a distinctive characteristic of micro-motion represented by intricate time-varying Doppler frequency modulations. It can be used to extract motion kinematic features for identifying an object of interest. In this Chapter, we introduce the micro-Doppler signature in radar and its applications for sensing micro-motion.

Chapter Contents:

  • 12.1 An introduction to micro-motion and micro-Doppler effect
  • 12.1.1 Micro-motion and micro-Doppler effect in radar
  • 12.1.2 Micro-Doppler signatures
  • 12.1.2.1 Micro-Doppler signatures of a walking human
  • 12.1.2.2 Micro-Doppler signatures of swimmers
  • 12.1.2.3 Micro-Doppler signatures of hand gestures
  • 12.1.2.4 Micro-Doppler signatures of drones
  • 12.2 Angular velocity-induced micro-Doppler signatures
  • 12.3 Feature extraction and motion decomposition from micro-Doppler signatures
  • 12.3.1 Feature extraction from micro-Doppler signatures
  • 12.3.2 Motion decomposition from micro-Doppler signatures
  • 12.4 Micro-Doppler signature-based identification
  • 12.4.1 Micro-Doppler signature-based classification
  • 12.4.2 Motion identification from micro-Doppler signatures
  • 12.4.3 Classification, recognition, and identification using deep learning neural networks
  • References

Inspec keywords: Doppler radar; motion measurement; feature extraction; frequency modulation

Other keywords: object of interest identification; motion kinematic features; micromotion sensing; radar; time-varying Doppler frequency modulation; microDoppler signatures

Subjects: Modulation and coding methods; Radar equipment, systems and applications; Spatial variables measurement

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