It consists of a phonocardiogram sensor, a heart sound collecting and processing circuit, and a computer.
该系统由心音传感器、心音信号采集处理电路及计算机组成。
Method: to use Model HKY06A heart vibration sensor for the detection of the heart sound, and to form the heart sound envelope with two way hardware rectification and low frequency passed filter.
方法:使用HKY06 A心音传感器提取心音信号,使用双向检波及低通滤波实现心音包络的提取。
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