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基于压电力传感器的动静脉内瘘震颤与杂音同步监测新系统及其信号 ...
本研究针对动静脉内瘘(AVF)物理检查的operator-dependent问题,开发了一种新型监测系统。研究人员采用压电式力传感器(PZT)同步记录脉搏波、震颤(thrill)和杂音(bruit sounds),并创新性地提出基于Savitzky-Golay滤波的信号分离算法。实验证实该系统能准确捕捉AVF振动信号(p ...
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