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A New Demodulation and Modulation Method Designed for FMCW Radar

机译:针对FMCW雷达设计的新的调制解调方法

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摘要

An efficient demodulation method designed for FMCW (Frequency-Modulated Continuous Wave) radar is presented. It is a kind of modified DFT (IDFT) algorithm; the spectrum segment of interest can be easily extracted from the original signal without calculating the whole DFT/FFT. It provides fast demodulation and extraction of desired frequency bands in our HFSWR (High-Frequency Surface Wave Radar) system. The proposed approach enhances the performances of radar system and reduces the computing complexity. The new structure could also be inversely used for signal modulation. And also arbitrary sampling rate conversion could be achieved with the combination of forward and backward structure.
机译:提出了一种针对FMCW雷达的高效解调方法。它是一种改进的DFT(IDFT)算法;无需计算整个DFT / FFT,就可以轻松地从原始信号中提取感兴趣的频谱段。它在我们的HFSWR(高频表面波雷达)系统中提供了所需频段的快速解调和提取。所提出的方法提高了雷达系统的性能并降低了计算复杂度。新结构也可以反过来用于信号调制。而且,通过将正向和反向结构相结合,可以实现任意采样率转换。

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  • 来源
    《Journal of electrical and computer engineering》 |2010年第1期|p.897429.1-897429.6|共6页
  • 作者

    Wei Shen; Biyang Wen;

  • 作者单位

    School of Electronic Information, Wuhan University, Wuhan 430079, China,Department of Geosciences, University of Hamburg, Hamburg 20146, Germany;

    School of Electronic Information, Wuhan University, Wuhan 430079, China;

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  • 正文语种 eng
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