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Publications (3)
Adaptive filter based on least-mean-square (LMS) algorithm is used to pre-processing photoplethysmography (PPG) signal which is feeble and apt to affect by motion artifact. Firstly, relationship between normal signal and motion artifact is analyzed using Beer-Lambert Law for settling motive interference problem of pulse oximeter. It is shown that t...
The auscultatory method has been widely used in clinical practice and is considered to be the gold standard for blood pressure (BP) measurement. However, some subjective factors, such as the observer bias and the terminal digital preference, may inevitably influence the observer measurements. To decrease the observer error in the auscultatory BP me...
Local renin-angiotensin system (RAS) is implicated in development of intimal hyperplasia after vein bypass grafting, but little is known about the local angiotensin-converting enzyme (ACE) activity and the local responses of angiotensin II (AngII) in vein graft physiology. An organ culture of human saphenous vein was used as a model of vein graft i...
