| 基于无载频脉冲雷达信号等幅度追踪法检测生命信号 |
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| 引用本文： | 谢义方,方广有.基于无载频脉冲雷达信号等幅度追踪法检测生命信号[J].电子与信息学报,2009,31(5):1132-1135. |
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| 作者姓名： | 谢义方 方广有 |
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| 作者单位： | 1. 中国科学院高功率微波与电磁辐射重点实验室中国科学院电子学研究所,北京,100190;中国科学院研究生院,北京,100190
2. 中国科学院高功率微波与电磁辐射重点实验室中国科学院电子学研究所,北京,100190 |
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| 摘 要： | 该文首先详细分析了无载频脉冲雷达检测生命信号的基本原理，然后提出了基于回波信号等幅度追踪法检测生命信号的方法。采用自主研发的雷达系统进行检测，结果表明该文提出的检测方法有效。该方法不但能准确判定生命体的有无，而且能够同时提供呼吸信号幅度、频率特征及生命体的位置信息，在短距离非接触式生命信号检测中较传统等距离法有明显优势。
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| 关 键 词： | 超宽带雷达 生命信号检测 频谱搜索 等幅度追踪 |
| 收稿时间： | 2008-4-1 |
| 修稿时间： | 2008-11-26 |
Equi-amplitude Tracing Algorithm Based on Base-band Pulse Signal in Vital Signal Detecting |
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| Xie Yi-fang,Fang Guang-you.Equi-amplitude Tracing Algorithm Based on Base-band Pulse Signal in Vital Signal Detecting[J].Journal of Electronics & Information Technology,2009,31(5):1132-1135. |
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| Authors: | Xie Yi-fang Fang Guang-you |
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| Affiliation: | The Key Laboratory of High Power Microwave and Electromagnetic Radiation, The Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China;Graduate University of the Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | In this paper,a novel method,i.e.,the equi-amplitude tracing method applicable to the detecting of vital signal is presented based on the analyses of the principle of vital signal detecting by means of base-band UWB radar.The self-developed UWB radar test set-up experiments demonstrate that the detecting scheme and the signal processing algorithm are feasible.The respiratory signal amplitude and frequency spectrum characteristics and the distance between the object and the antenna can be obtained simultaneo... |
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| Keywords: | UWB radar Vital signal detecting Frequency spectrum searching Equi-amplitude tracing |
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