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- fetal heart sound signal 胎心音信号
- Serum E3, hpL, amniotic fluid index (AFI), and fetal heart sounds were surveyed. 分别测定两个亚级的血E3 、血hpL ,监测羊水指数、胎心监护及胎儿预后以了解和判断胎盘功能。
- Firstly,the original heart sounds signal was preprocessed by Huang Transform. 首先利用黄变换对心音信号进行预处理;
- Much general straps 2 ） of （ supersonic examination: Pregnant 12 week hind, with Duopule the embryo admires the fetal heart sounds with audibility not tall frequency in the heart. （2）多普勒超声检查：孕12周后后，用多普勒胎心仪可听到频率不高的胎心音。
- Heart sound signal telemetry system based on MCU 基于单片机的心音信号遥测系统
- It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals. 该电路涉及到放大、滤波、电平抬升等电路,并给出了安全设计问题,利用驻极体电容传声器来拾取心音信号。
- Design of filter circuit in the system of detecting fetal heart sound 胎心音检测系统中滤波电路的设计
- Hayen's stethoscopes for fetal heart sounds 阿扬(氏)胎儿心音听诊器
- Winter's stethoscope for fetal heart sounds 温特(氏)胎儿心音听诊器
- signal recognition of heart sound signals 冠心病
- With distribution feature of heart sound signals in wavelet domain, an analysis method is proposed for parametric bispectrum of heart sound signals based on wavelet transform domain in this paper. 本文利用心音信号在小波域的分布特点,提出了一种基于小波变换域的参数化双谱心音信号分析方法。
- The Relationship Between Age and Power Spectral Entropy of Heart Sound Signal 心音信号功率谱熵与年龄的关系
- Champetier de Ribes' stethoscopes for fetal heart sounds 尚普提埃·德里伯(氏)胎儿心音听诊器
- Keywords heart sound signal;Hilbert-Huang Transform（HHT）;Coronary Artery Disease（CAD）; 关键词心音信号;希尔伯特黄变换;冠心病;
- fetal heart sound microphone 胎儿心音微音器
- Keywords Heart Sound Signal;Myocardial Inotropism;Myocardial Chronotropism;Telemetry;Feature Extraction; 心音信号;心肌变力性;心肌变时性;遥测;特征提取;
- fetal heart sound recorder 胎儿心音记录器
- Keywords telemetering system;electromagnetic interference;heart sound signal;heart reserve; 遥测系统;电磁干扰;心音信号;心力储备;
- fetal heart sound 胎心音
- Keywords telemetry system;heart sound signal;universal serial bus（USB）;cardiac contractility reserve; 关键词遥测系统;心音信号;通用串行总线（USB）;心力储备;
