| 血氧饱和度检测中自动增益控制方法的研究 |
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| 引用本文： | 于巍,张宁,姚翔,邓亲恺. 血氧饱和度检测中自动增益控制方法的研究[J]. 医疗卫生装备, 2006, 27(2): 7-8 |
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| 作者姓名： | 于巍 张宁 姚翔 邓亲恺 |
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| 作者单位： | 南方医科大学基础医学院,广州市,510515 |
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| 摘 要： | 基于MSP430F149单片机结合斩渡式放大器所研制的自动增益控制电路，实现了对脉搏渡信号的连续无级调节，有效地克服了由于个人生理差异而引起的测量信号基线漂移、易饱和等问题，满足了仪器便携化、低功耗设计的要求。
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| 关 键 词： | 血氧饱和度 自动增益控制 光电容积脉搏波方法 MSP430单片机 |
| 文章编号： | 1003-8868（2006）02-0007-02 |
| 收稿时间： | 2005-09-12 |
| 修稿时间： | 2006-01-12 |
Study on automatic gain control method of pulse oxygen saturation measured |
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| YU Wei,ZHANG Ning,YAO Xiang,DENG Qin-kai. Study on automatic gain control method of pulse oxygen saturation measured[J]. Chinese Medical Equipment Journal, 2006, 27(2): 7-8 |
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| Authors: | YU Wei ZHANG Ning YAO Xiang DENG Qin-kai |
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| Affiliation: | Department of Biomedical Engineering, Southern Medical University, Guangzhou 510515 |
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| Abstract: | The automatic gain control circuit is designed on the basis of MSP430F149 microcomputer with the chopper amplifier, and then continuous stepless regulation of pulse wave signal is fulfilled. Thus individual variation-induced problems are eliminated such as signal baseline drift and saturation. With this circuit, medical instruments can be portable and low-power-consumption. |
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| Keywords: | oxygen saturation automatic gain control photoplethysmograph MSP430 microcomputer |
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