An X-Band Microwave Life-Detection System

Kun Mu Chen, Devendra Misra, Huei Wang, Huey Ru Chuang, Elliot Postow

Research output: Contribution to journalArticlepeer-review

233 Citations (Scopus)


An X-band microwave life-detection system has been developed for detecting the heartbeat and breathing of human subjects lying on the ground at a distance of about 30 m or located behind a cinder block wall. The basic principle of the system is to illuminate the subject with a low-intensity microwave beam, and then from the back-scattered microwave signal, extract the heart and breathing signals that modulate it. The circuit description of the system and some experimental results are presented. Potential applications of the system are noted.

Original languageEnglish
Pages (from-to)697-701
Number of pages5
JournalIEEE Transactions on Biomedical Engineering
Issue number7
Publication statusPublished - 1986 Jul

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering


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