| 振动目标光学微多普勒信号的获取与处理研究 |
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| 引用本文： | 王学勤,原帅,盛美菊,张骏,江荣熙.振动目标光学微多普勒信号的获取与处理研究[J].光电子．激光,2007,18(12):1474-1477. |
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| 作者姓名： | 王学勤 原帅 盛美菊 张骏 江荣熙 |
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| 作者单位： | 烟台大学光电信息学院,山东,烟台,264005 |
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| 摘 要： | 建立了一套工作于光波段的微多普勒效应探测系统，并开展了探测振动目标微多普勒效应的实验研究，成功获取了由目标微小振动引起的微多普勒信号。对信号进行了频谱分析和时-频域的联合分析，结果表明：时频分析方法适合于时变微多普勒信号的分析，应用该方法能够有效地提取出目标的运动特征。本研究为应用微多普勒效应实现目标的探测、分类和识别奠定了基础。
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| 关 键 词： | 微多普勒效应 振动特征 时-频分析 平滑伪魏格纳分布（WVD） Michelson动态干涉仪 |
Study on Acquisition and Analysis for Optical Micro-Doppler Signal of Vibrating Targets |
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| WANG Xue-qin,YUAN Shuai,SHENG Mei-ju,ZHANG Jun,JIANG Rong-xi.Study on Acquisition and Analysis for Optical Micro-Doppler Signal of Vibrating Targets[J].Journal of Optoelectronics·laser,2007,18(12):1474-1477. |
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| Authors: | WANG Xue-qin YUAN Shuai SHENG Mei-ju ZHANG Jun JIANG Rong-xi |
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| Affiliation: | WANG Xue-qin,YUAN Shuai,SHENG Mei-ju,ZHANG Jun,JIANG Rong-xi(Institute of Opto-electronic Information,Yantai University,Yantai 264005,China) |
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| Abstract: | A detection system for micro-Doppler effect worked in optic waveband was presented,experiments were conducted for the detection of vibration induced micro-Doppler effect,and the micro-Doppler signal was acquired successfully.Frequency domain analysis and time-frequency joint analysis were conducted for the micro-Doppler signal.Results show that time-frequency analysis method is fit for the analysis of time-varying micro-Doppler signal,the dynamic character was effectively extracted using this method.This pa... |
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| Keywords: | micro-doppler effect vibration signature time-frequency analysis smoothed pseudo wigner-ville distribution(WVD) michelson dynamic interferometer |
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