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<p>A coding metasurface realizing successfully more than 20 dB radar cross section (RCS) reduction is obtained in this paper. Using simulation analysis it is found that the coding metasurface arrayed randomly by two units with 10 dB absorption and 180º ± 37º phase difference can achieve 20 dB RCS reduction. Then both of the units structured with resistive film are designed and utilized to constructed a coding metasurface. Simulation results show that the coding metafurface achieve more than 20 dB RCS reduction in frequency range 13.0 GHz-15.4 GHz. Finally, the experiment proves that the approach for combining absorption and phase cancellation is feasible to realize the better RCS reduction.</p>

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The coding metasurface combined absorption and phase cancellation for 20 dB broadband RCS reduction

  • 期刊论文

  • 发表日期：

    2025年7月22日

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  • Gaiping Zhang,
  • Aixia Wang,
  • Wenjie Wang,
  • Sai Sui,
  • Yajuan Han,
  • Xinmin Fu,
  • Chang Ding,
  • Jingli Wang,
  • Jiafu Wang,
  • Yueyu Meng,
  • Yiming Zhang

摘要

A coding metasurface realizing successfully more than 20 dB radar cross section (RCS) reduction is obtained in this paper. Using simulation analysis it is found that the coding metasurface arrayed randomly by two units with 10 dB absorption and 180º ± 37º phase difference can achieve 20 dB RCS reduction. Then both of the units structured with resistive film are designed and utilized to constructed a coding metasurface. Simulation results show that the coding metafurface achieve more than 20 dB RCS reduction in frequency range 13.0 GHz-15.4 GHz. Finally, the experiment proves that the approach for combining absorption and phase cancellation is feasible to realize the better RCS reduction.