基于pxi的非接触式生命体征检测系统

2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS) Pub Date : 2014-06-09 DOI:10.1109/BIOWIRELESS.2014.6827730

S. Banerjee, Changzhan Gu, Changzhi Li

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引用次数: 1

摘要

本文提出了一种新型的非接触式生命体征检测(VSD)系统，该系统将整个雷达收发器以及先进的信号处理算法集成在一个紧凑的PXI(仪器仪表外围组件互连扩展)系统中。采用基于压缩感知算法和“微分交叉相乘”(DACM)解调算法的自动直流校准实现了实时信号处理。实验结果表明，该雷达结构紧凑，硬件结构简单，能够测量呼吸运动。这有助于许多非接触式生命体征检测的概念验证研究。

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PXI-based non-contact vital sign detection system

This paper presents a novel noncontact vital sign detection (VSD) system, which integrates an entire radar transceiver along with advanced signal processing algorithms in one compact PXI (Peripheral Component Interconnect eXtensions for Instrumentation) system. Realtime signal processing has been implemented using automatic DC calibration based on compressed sensing algorithm and ‘differentiate and cross-multiply’ (DACM) demodulation algorithm. Experimental results show that the proposed compact instrument based radar is able to measure respiration motions with simple hardware configuration. This facilitates many proof-of-concept studies for noncontact vital sign detection.

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来源期刊

2014 IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS)

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