Jinlin Zhang
ABSTRACT
In the exploration and rescue activities in mining area, the non-contact-free vital signs detection technology has brought unprecedented advantages for the vital sign detection system in mining area to deal with the complex environment such as narrow terrain and many obstacles. Millimeter-wave radar is a key component of long-range contact-free vital signs. It provides long-range contact-free, real-time human signs data, provides reference for rescuers, and greatly improves rescue efficiency and safety. This paper discusses the method of obtaining FMCW signal by millimeter-wave radar and using FMCW signal, and expounds its potential to improve the efficiency of life detection in mining area. This paper introduces the process of using millimeter wave radar in mine life detection. Through the processing of radar signals, it can help the rescuers to quickly locate the position of the trapped people and improve the rescue efficiency. The experiment verified the results of human positioning and vital sign data acquisition using millimeter wave radar, and verified the effectiveness and feasibility.
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