phonocardiograph amplifier

Design of heart sound processing analog circuit based on the electret capacitor microphone;

基于驻极体电容传声器的心音模拟处理电路的设计

Implementation of serial communication between personal computer and C8051F000 in sampling of heart sound;

PC机与C8051F000串行通信在心音数据采集中的实现

Study on the signification and method of heart sound recognition;

心音信号识别的意义及其方法的研究

Development of heart sounds teletransmission system based on GPRS;

基于GPRS心音远程传输系统的研制

Time-frequency analysis of heart sounds based on continuous wavelet transform;

基于连续小波变化的心音信号时频分析

The study of the noninvasive detection system of early coronary artery disease based on neural networks and the application of wavelet transform to heart sounds;

基于人工神经网络及心音小波分析的冠心病诊断方法的研究

Data recall and analysis system of heart sounds and ECG signal based on LabVIEW;

心音信号与心电信号回放与分析系统

In the course of recording heart sound, it is inevitable that many kinds of noise will be merged in the main signal.

在对心音信号进行进一步的处理之前,必须对噪声加以抑制。

In process of recording heart sound,it is inevitable that many kinds of noise will be merged in the main signal.

在采集心音信号过程中,难免要引入噪声,这些噪声影响到心音的分析结果。

Phonocardiogram exercise test and cardiac function classification;

心音图运动试验量化心功能分级的研究

An Analysis of Precision and Accuracy of the Phonocardiogram Exercise Test;

心音图运动试验的精密度和准确度的分析

Phonocardiogram contains a lot of information on the physiological and pathological cardiac function, so it can improve the diagnosis and treatment of cardiovascular disease to effectively diagnose cardiac sounds.

心音图含有大量关于心脏功能的生理病理信息,因此对心音信号的有效诊断,有利于提高心血管疾病的诊治水平。

Bispectrum estimation and its application in analysis of heart sound signals;

双谱估计及其在心音信号分析中的应用

Analysing heart sound signals using wavelet transform;

利用小波变换分析心音信号

Study of Myocardial Inotropism and Chronotropism Based on Telemetering Heart Sound Signal;

基于心音信号遥测的心肌变力性与变时性的研究

Research on signal processing of heart sounds to diagnose coronary artery disease;

基于心音信号处理的冠心病诊断的研究

This paper described a new system for recording, processing and analyzing heart sounds.

主要阐述了心音信号的意义,介绍了传统心音听诊方面的缺点。

This paper describs a new system for gathering heart sounds.

描述了心音信号的采集系统的新型设计,给出了高性能的心音传感器、前向处理电路、A/D转换电路和与PC机的高速接口电路。