胃动力信息检测系统的设计与实现
Journal of Biomedical Engineering Research(2006)
Abstract
将胃电与胃机械活动相关的胃阻抗信息作为诊断依据,建立新的、更准确的胃动力评价方法。基于阻抗法设计了获取胃动力信息的系统,通过小波变换技术分离与胃电同步的胃蠕动信息。结果表明系统通过了调试,实现设计功能,采集到了阻抗和同步胃电信号。小波变换提取的信号排除了干扰,获得了胃蠕动信息。基于阻抗技术的方法可检测胃蠕动状态,联合同步胃电分析技术为临床检测提供了新方法。
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Key words
avelet transformS,GGW,Gastric motility,ignal processing,Bioelectrical impedanceE
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