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LFM信号时频分布与分数阶域滤波仿真研究 被引量：2

Research Based on Time-Frequency Distribution of LFM Signal and Simulink of Fractional Fourier Transform
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摘要 通过分析LFM(线性频率调制信号)的时频分布,Wigner-Ville分布,Wigner-Hough分布,并结合FRFT(分数阶Fourier变换)与上述时频分布的关系,得到利用FRFT进行分数阶Fourier域滤波的可能,并通过matlab仿真验证了利用FRFT进行LFM信号滤波的优越性。 By analyzing the LFM （linear frequency modulation signals） the time-frequency distribution, Wigner-Ville distribution, Wigner-Hough distribution, combined with FRFT （fractional Fourier Transform） and time-frequency distribution of the above, to be used FRFT fractional Fourier domain Filtering possible, and through the use of simulation matlab FRFT to the superiority of LFM signal filtering.
作者 王月玥 赵犁丰 田径
机构地区 中国海洋大学信息科学与工程学院电子系
出处 《微计算机信息》 2009年第19期163-164,共2页 Control & Automation
基金 基金申请人:赵犁丰 项目名称:小型非相干多普勒测风激光雷达系统 基金颁发部门:国家自然科学基金委(40427001)
关键词 线性频率调制 分数阶傅里叶变换 魏格纳威尔 魏格纳霍夫 LFM chirp FRFT Wigner-Ville Wigner-Hough
分类号 TN911.23 [电子电信—通信与信息系统]
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参考文献9

  • 1崔会亮,穆晓敏,杨守义,齐林.OFDM系统中基于FRFT的多径参数估计方案[J].微计算机信息,2008,24(18):216-218. 被引量：1
  • 2沈凤麟 叶中付 钱玉美.信号统计分析与处理[M].合肥:中国科学技术大学出版社,2002..
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二级参考文献11

  • 1陈恩庆,陶然,张卫强.一种基于分数阶傅立叶变换的时变信道参数估计方法[J].电子学报,2005,33(12):2101-2104. 被引量：21
  • 2刘文珂,马晨欣,程保炜,金梁.一种用于CDMA系统的信道估计与检测方案[J].微计算机信息,2006,22(03X):198-199. 被引量：4
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微计算机信息
2009年 第19期

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