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A Multiple Biomedical Signals Synchronous Acquisition Circuit Based on Over-Sampling and Shaped Signal for the Application of the Ubiquitous Health Care

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Abstract

Researches on the real-time health system have attracted much attention during recent years. The dynamic detection of health information requires the biomedical amplifier with small volume, low power consumption, multi-function, and high robustness to noise. In this paper, a novel biomedical signal acquisition circuit based on over-sampling and shaped signal technology is proposed, which is able to detect multiple biomedical signals. A novel algorithm based on the shaped signal has been investigated to extract multiple biomedical signals synchronously without complex signal processing scheme. Specifically, electrocardiograph, respiratory, and standard lead dropping signals are detected synchronously by the circuit. Experiments show that the circuit achieves dynamic monitoring of multiple biomedical signals, good manufacturability, low requirement to the device performance and high-noise suppression. The circuit is highly suitable for the biomedical signals as well as other weak signals monitoring.

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Authors and Affiliations

  1. State Key Laboratory of Precision Measurement Technology and Instruments, Tianjin University, Tianjin, People’s Republic of China

    Gang Li, Jinzhen Liu & Ling Lin

  2. Tianjin Key Laboratory of Biomedical Detecting Techniques & Instruments, Tianjin University, Tianjin, People’s Republic of China

    Gang Li, Jinzhen Liu & Ling Lin

  3. School of Electrical Engineering, Hebei University of Technology, Tianjin, People’s Republic of China

    Xiaoxia Li

  4. CYPRESS Semiconductor Co., Shanghai, People’s Republic of China

    Rong Wei

Authors
  1. Gang Li
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  2. Jinzhen Liu
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  3. Xiaoxia Li
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  4. Ling Lin
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  5. Rong Wei
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Correspondence to Jinzhen Liu.

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Li, G., Liu, J., Li, X. et al. A Multiple Biomedical Signals Synchronous Acquisition Circuit Based on Over-Sampling and Shaped Signal for the Application of the Ubiquitous Health Care. Circuits Syst Signal Process 33, 3003–3017 (2014). https://doi.org/10.1007/s00034-014-9794-5

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  • DOI: https://doi.org/10.1007/s00034-014-9794-5

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