Multiple Range and Vital Sign Detection Based on Single-Conversion Self-Injection-Locked Hybrid Mode Radar With a Novel Frequency Estimation Algorithm

• Published in: IEEE transactions on microwave theory and techniques Vol. 68; no. 5; pp. 1908 - 1920
• Main Authors: Wang, Fu-Kang, Juan, Pin-Hsun, Chian, De-Ming, Wen, Chao-Kai
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.05.2020; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Algorithms; Bandwidth; Bandwidths; Computer architecture; Continuous radiation; Conversion; Delays; Demodulators; Doppler radar; Frequency conversion; Frequency converters; frequency-modulated continuous-wave (FMCW) radar; Hybrid modes; multiple vital sign detection; Radar; Radar detection; range resolution; self-injection-locked (SIL) radar; Signal resolution; superresolution algorithm

This article presents a single-conversion self-injection-locked (SIL) (SCSIL) hybrid mode radar with a novel frequency estimation algorithm, which improves the range resolution in a frequency-modulated continuous-wave (FMCW) mode and simultaneously detects the vital signs of multiple subjects in the...