Phonocardiogram exercise testing (PCGET) is a method through applying a phonocardiograph to evaluate cardiac contractility and the cardiac reserve.

为了明PCGET方法的可信,进行了该图运动试中的信噪比分析。

It consists of a phonocardiogram sensor, a heart sound collecting and processing circuit, and a computer.

该系统传感器、信号采集处理电路及计算机组成。