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In order to classify non-rhythmic human motions by ultra-wideband (UWB) radar, a weighted rang-time-frequency transform (WRTFT) method is proposed to extract both Doppler and range features. And the bootstrap-aggregated decision trees (Bagged Trees) classifier is utilized to recognize each non-rhythmic human motion. Experiments show that the proposed method can achieve 92.9% classification accuracy...
In recent years, biomedical radar technology has attracted great interest in various fields. Comparing with single target scenario, multiple vital sign detection is a more challenging task. In this paper, a novel noncontact multiple targets vital sign detection method using ultra-wideband (UWB) radar system has been proposed. Utilizing Variational Mode Decomposition (VMD) algorithm, the respiration...
To investigate the mechanism underlying the hypercoagulable state in severe pre-eclampsia.Plasma tissue factor (TF) and tissue factor pathway inhibitor (TFPI) expression from pre-eclampsia patients and healthy pregnant controls were determined by ELISA. Placental TF and TFPI gene and protein expression were detected by quantitative RT-PCR, immunohistochemistry, and Western analysis.The plasma TF level...
The poor prognosis of human ovarian cancer is partly due to its metastasis and recurrence. It has been demonstrated that tumor necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK)-fibroblast growth factor inducible-14 (Fn14) signaling system may be a potential regulator of human tumorigenesis. The objective of this study was to understand the effect of TWEAK on ovarian cancer metastasis. We...
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