| 适用于嵌入式系统的心音心电信号采集仪 |
| |
| 引用本文： | 余渊善,徐柳婧,宋扬,白益波,王威廉. 适用于嵌入式系统的心音心电信号采集仪[J]. 电子测量技术, 2011, 34(4): 81-85 |
| |
| 作者姓名： | 余渊善 徐柳婧 宋扬 白益波 王威廉 |
| |
| 作者单位： | 云南大学信息学院; |
| |
| 基金项目： | 云南省大学生创新性实验计划项目(X3110008) |
| |
| 摘 要： | 心音信号(PCG)、心电信号(ECG)是人体重要的生理信号,携带大量生理特征,但这些微弱信号的提取极易受到外界的干扰.采用三导联的方式,利用仪用放大器AD623的优良特性提取心电信号,采用专用的集成心音传感器HKY-06B提取心音信号.另外,使用差分阀值的算法,通过心电信号可以精确地定位心音信号.系统采用+3 V电池供...
|
| 关 键 词： | 心音信号 心电信号 KRC有源滤波器 IIR陷波器 差分阀值定位 |
Circuit design of PCG and ECG signal acquisition used to portable devices and embedded system |
| |
| Yu Yuanshan,Xu Liujing,Song Yang,Bai Yibo,Wang Weilian. Circuit design of PCG and ECG signal acquisition used to portable devices and embedded system[J]. Electronic Measurement Technology, 2011, 34(4): 81-85 |
| |
| Authors: | Yu Yuanshan Xu Liujing Song Yang Bai Yibo Wang Weilian |
| |
| Affiliation: | Yu Yuanshan Xu Liujing Song Yang Bai Yibo Wang Weilian(School of Information,Yunnan University,Kunming 650091) |
| |
| Abstract: | PCG and ECG Signals which carrying a large number of physiological characteristics,are important physiological signals of the body.However the approach of PCG and ECG signal acquisition is extremely difficult.In this paper,we used a practical three-lead method and high performance Instrumentation Amplifier AD623 to collect ECG signal.The specified integrated sensor HKY-06B was used in the PCG signal acquisition.Additionally,Differential Positioning,this special method was applied to locate the PCG signal.Th... |
| |
| Keywords: | heart sound ECG KRC active filter IIR notch filter differential positioning |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
