Differential-Phase Radar with Amplitude-Compensated Complex Signal Demodulation for Vital Sign Detection

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A differential-phase radar with amplitude-compensated complex signal demodulation (ACCSD) is presented., which can detect vital-signals from one-side of the human body even during back-and-forth random movements. Differential signal demodulation is achieved using the proposed ACCSD method. Compared with the conventional complex signal demodulation (CSD) method, the proposed method can avoid a distortion due to amplitude variations of baseband signal. Experiments also show that the proposed ACCSD provides the results identical to those of an extended differentiate and cross-multiply (DACM) method, while the processing time of the ACCSD is 10 times faster than that of the extended DACM.
Publisher
Institute of Electrical and Electronics Engineers Inc.
Issue Date
2019-12
Language
English
Citation

IEEE Asia-Pacific Microwave Conference, APMC 2019

DOI
10.1109/apmc46564.2019.9038407
URI
http://hdl.handle.net/10203/277882
Appears in Collection
EE-Conference Papers(학술회의논문)
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