Mr. Huinan Sun Profile

Huinan Sun

at Harbin Univ of Science and Technology

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Proceedings Article | 12 January 2009 Paper

Monitoring of electric-cardio signals based on DSP

Yi-xin Yan, Hui-nan Sun, Shuang Lv

Proceedings Volume 7133, 713319 (2009) https://doi.org/10.1117/12.819524

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Monitoring of electric-cardio signals is the most direct method of discovering heart diseases. This article presents an electric-cardio signal acquisition and processing system based on DSP. According to the features of electric-cardio signals, the proposed system uses the AgCl electrode as electric-cardio signals sensor, and acquires analog signals with AD620 as the prepositional amplifier, and the digital system equipped is with TMS320LF2407A DSP. The design of digital filter and the analysis of heart rate variation are realized by programming in the DSP. Finally the ECG is obtained with P and T waves along with obvious QRS multi-wave characteristics. The system has low power dissipation, low cost and high precision, which meets the requirements for medical instruments.

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