交流/直流耦合对低中频标签辅助移动多普勒雷达生命信号检测的影响

2015 IEEE MTT-S International Microwave and RF Conference (IMaRC) Pub Date : 2015-12-01 DOI:10.1109/IMARC.2015.7411431

Ashikur Rahman, E. Yavari, V. Lubecke, O. Lubecke

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引用次数: 3

摘要

研究了低中频标签辅助连续波多普勒雷达系统中交流和直流耦合效应。研究了一种低中频射频标签装置，用于移动多普勒雷达测量生命体征时的运动伪影补偿。这项工作提出了一个彻底的调查耦合要求的放大器的信号调理接收的射频信号。利用自适应滤波技术，对移动基带多普勒雷达信号中不需要的运动伪信号进行了滤波分析和实验。该研究成果将为车辆、自主飞行器、搜救机器人等移动多普勒雷达生命信号装置的运动伪影补偿提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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AC/DC coupling effects on low-IF tag-assisted mobile Doppler radar life sign detection

This paper investigates the AC and DC coupling effects in low-IF tag assisted continuous wave (CW) Doppler radar system. A low-IF RF tag device has been studied for motion artifact compensation in measuring vital sign using a mobile Doppler radar. This work presents a thorough investigation on coupling requirements of the amplifiers for signal conditioning of the received RF signal. Analysis and experiments were performed to achieve proper filtering of unwanted motion artifact from mobile baseband Doppler radar signal using adaptive filtering. This research work will benefit successful motion-artifact-compensation of mobile Doppler-radar life-sign device in vehicle, autonomous aerial vehicle, and in search and rescue robots.

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2015 IEEE MTT-S International Microwave and RF Conference (IMaRC)

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