SENSOR FOR SENSING HUMAN BODY USING DOPPLER RADAR

摘要

The present invention is a human body sensor using a Doppler radar; A Doppler radar unit for transmitting a Doppler radar signal and receiving the transmitted Doppler radar signal and outputting a signal processing result corresponding to a frequency difference between both signals; A filtering and amplifying unit for filtering a predetermined frequency band to correspond to vibration generated by internal human activity of a person from the signal output from the Doppler radar unit and amplifying the filtered signal; And determining and detecting the human body by analyzing the signal output from the filtering and amplifying unit, and outputting the determination result signal upon detecting the human body.