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High-speed ground moving target detection research using triangular modulation FMCW

  • Research Article
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Frontiers of Electrical and Electronic Engineering in China

Abstract

The frequency modulated continuous wave (FMCW) radar has the characteristics of low probability of interception, good hidden property and the ability to counter anti-radiation missiles. This paper proposes a new method for high-speed ground moving target detection (GMTD) using triangular modulation FMCW. According to the characteristic of the opposite range shift induced by the upslope and downslope modulation FMCW, the upslope and downslope are imaged, respectively. After compensation of continuous motion of the platform and time difference between upslope and downslope signals for imaging, the moving target can be detected through displaced phase center antenna (DPCA) technology. When the moving target is detected, the moving target image is extracted, and correlation processing is used to obtain the range shift, which can be used to estimate the target radial velocity, and further to find the real position of the target. The effectiveness of this method is verified by the result of computer simulation.

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Authors and Affiliations

  1. National Key Laboratory of Radar Signal Processing, Xidian University, Xi’an, 710071, China

    Yi Liang, Mengdao Xing & Zheng Bao

  2. Xi’an Polytechnic University, Xi’an, 710048, China

    Long Zhang

Authors
  1. Yi Liang
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  2. Long Zhang
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  3. Mengdao Xing
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  4. Zheng Bao
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Corresponding author

Correspondence to Yi Liang.

Additional information

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Translated from Journal of Xidian University, 2008, 35(4): 586–591 [译自: 西安电子科技大学学报(自然科学版)]

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Liang, Y., Zhang, L., Xing, M. et al. High-speed ground moving target detection research using triangular modulation FMCW. Front. Electr. Electron. Eng. China 4, 127–133 (2009). https://doi.org/10.1007/s11460-009-0032-z

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  • DOI: https://doi.org/10.1007/s11460-009-0032-z

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