|
|||||
|
|
| 微型流量传感器呼吸监测及信号处理系统 | |
| 引用本文： | 李兴,梁家昌,Henderson H T.微型流量传感器呼吸监测及信号处理系统[J].天津师范大学学报(自然科学版),2000,20(2). |
| 作者姓名： | 李兴 梁家昌 Henderson H T |
| 作者单位： | 1. 天津职业技术师范学院自动化系,天津,300222 2. 中国民航学院基础科学部,天津,300300 3. 美国辛辛那提大学电机与计算机工程系,俄亥俄洲,45221 |
| 基金项目： | 中国民航总局教育基金!资助项目 (99- 3- 0 1)，津科成果 (2 0 0 0 - 0 4) |
| 摘 要： | 用一种深掺杂硅材料制成的微型流量传感器来测量呼吸气流的流量 ,并用信号处理电路对微型流量传感器的输出进行鉴别 ,就可以监视呼吸系统状态的微小变化 .传感器偏置电压的变化对系统的稳定性有重要的影响 .通常 ,温度和环境的变化会使某些被认为是常量的参量发生意外的变化 .信号处理系统部分论述了使用自动补偿系统来消除上述变化的影响 ,并给出了实用电子设备中 ,消除各种干扰因素的一些方法 . |
| 关 键 词： | 呼吸监测 深掺杂 微型传感器 惠斯登电桥 响应时间 |
Respiration Monitoring with Micro-flow-sensor and Its Signal Processing System |
|
| LI Xing,LIANG Jia-chang,Henderson H T.Respiration Monitoring with Micro-flow-sensor and Its Signal Processing System[J].Journal of Tianjin Normal University(Natural Science Edition),2000,20(2). | |
| Authors: | LI Xing LIANG Jia-chang Henderson H T |
| Abstract: | The small change of respiration system can be measured with micro flow sensor based on deep impurity Si materials and related signal processing system which can select the respiration signal and make the respiration monitoring system stable. The offset behavior of the micro flow sensor plays a vital role in the overall system. Often the temperature and ambient changes of the micro flow sensor cause undesired changes in parameters that are supposed to be constant. In this paper special compensation methods that make the offset voltage maintain constant and some anti interference methods for electronic equipment are presented. |
| Keywords: | respiration monitoring deep impurity micro flow sensor wheatstone bridge response time |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |