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Short-distance radar sensing application

Short-distance radar sensing application

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Human-related sensing plays a more and more important role because of the emerging applications that include search and rescue, security and surveillance, as well as other important operations. Radar offers a number of unique advantages compared with the other technologies. For instance, the Doppler radar system is cost-effective and can sense the target unobtrusively by penetrating obstacles with lower propagation loss. Due to these characteristics, researchers usually employ the Doppler radar for long-distance object detection. But recently, researchers have started to find that the use of Doppler radar is also a natural choice for human micro-motion sensing. Because Doppler information represents the time rate of change of a range, Doppler radar can suppress stationary clutter to highlight human-related micro-scale movements. The employment of Doppler radar in short-range micro-motion sensing widely broadens the domain of the human sensing network. We highlight the emerging radar sensing applications in the area of home-based smart-health and human biometrics.

Chapter Contents:

  • 11.1 Introduction
  • 11.1.1 Smart healthcare
  • 11.1.2 Biometric authentication
  • References

Inspec keywords: biomedical measurement; motion measurement; Doppler radar

Other keywords: stationary clutter; human biometrics; short-distance radar sensing application; Doppler radar; home-based smart-health; human micromotion sensing; human-related sensing

Subjects: Spatial variables measurement; Microwaves and other electromagnetic waves (biomedical imaging/measurement); Radar equipment, systems and applications; Spatial variables measurement; Patient diagnostic methods and instrumentation

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