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	Research on digital pulse oximeter based on optical frequency converter
	Pingqiang Ni; Cancheng Zhong; Baopu Li; Jingsheng Liao; Chao hu; Max Q.-H. Meng
	2012
会议名称	Intelligent Control and Automation (WCICA), 2012 10th World Congress on
会议地点	中国
英文摘要	This paper specifically describes the design of hardware and software of a digital pulse oximeter based on light-frequency converter . In this study, a light-frequency converter instead of a photodiode was adopted to receive the light transmitting, which greatly simplified the design of hardware. Besides, traditional methods of calculate frequency of rectangle signal were improved and an algorithm with stable sampling rate and high resolution was proposed. Based on the filtering and detecting methods of the pulse signa, the baseline drift and the noise on high frequency were successfully removed by applying integer coefficient filter . A detecting algorithm based on difference and threshold was proposed, and the future points of the signal can be extracted effectively. The result shows that this oximeter can overcome usual noise, the software is very flexible and simple in structure.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/3874]
专题	深圳先进技术研究院_集成所
作者单位	2012
推荐引用方式 GB/T 7714	Pingqiang Ni,Cancheng Zhong,Baopu Li,et al. Research on digital pulse oximeter based on optical frequency converter[C]. 见:Intelligent Control and Automation (WCICA), 2012 10th World Congress on. 中国.

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