全部

1·ECG and phonocardiogram were recorded by synchronization.

整个检查过程同步记录心电图及心音图。

2·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。

3·Objective: Explore the value of phonocardiogram exercise test (PCGET) to evaluating cardiac contractility.

目的：探讨心音图运动试验（PCGET）评估心肌收缩力及心力储备的价值。

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

运动试验是评价缺血性心脏病病人的诊断及预后的一种重要的无创性检测手段。

5·Virtual Instrument Collection phonocardiogram source code, is based on the computer sound card, which determined the sound signal and spectrum analysis.

心音采集的虚拟仪器源代码，是基于计算机声卡的，里面有心音信号和频谱分析等。

6·The three-dimensional phonocardiogram after wavelet analyzing could describe all the information of frequency domain, time domain and amplitude domain perfectly.

经小波变换的三维心音图更为直观详尽地反映出各组心音信号在不同时域、频域与强度范围内细节性的信息。

7·The amplitude of first heart sound is a normal measurement of cardiac contractility, and phonocardiogram (PCG) can be used in the study of cardiac contractility reserve.

第一心音的幅值是心脏收缩能力的标准度量，心音图(PCG)可以用于心力储备的研究。

8·The microphone is used in a data acquisition system on a personal computer. The phonocardiogram and speech signals possessing high signal-to-noise ratio can be obtained.

这种微音器在计算机数据采集系统中应用，可采集到高信噪比的心音图与语音图。

心音图

1·Objective: Explore the value of phonocardiogram exercise test (PCGET) to evaluating cardiac contractility.

目的：探讨心音图运动试验（PCGET）评估心肌收缩力及心力储备的价值。