Lingyun Ren

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In this paper, we discuss the design of a stepped frequency continuous wave (SFCW) radar, which transmits long duration pulses with higher average power and much narrower instantaneous bandwidth than(More)
OBJECTIVE Smooth muscle-like cells are major cell components of transplant arteriosclerosis lesions. This study investigated the origin of the smooth muscle-like cells, the mechanisms responsible for(More)
In this paper, we compare the performance of radar and optical (camera based) techniques in detecting vital signs such as respiratory rate (RR), heart rate (HR), and blood oxygen saturation(More)