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In this paper, a test system for high-temperature reflectivity testing of absorbers in the frequency band range of 18–40 GHz is studied and designed, and the absorption characteristics of hollow corundum absorbers in the frequency band range of 18–40 GHz are successfully measured to verify whether they still have the absorption performance of specific frequencies in the high temperature environment. According to the test results, the feasibility of the reflectance test system is verified.

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Research on High-Temperature and High-Frequency Reflectivity Testing Technology of Absorbing Components Based on Upper and Lower Surface Heating

  • 会议论文

  • 发表日期：

    2025年

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  • Yiming Su,
  • Chong Gao,
  • Jinshi Liu,
  • Haoyu Wen,
  • Yulin Liu,
  • PinHong Xie

摘要

In this paper, a test system for high-temperature reflectivity testing of absorbers in the frequency band range of 18–40 GHz is studied and designed, and the absorption characteristics of hollow corundum absorbers in the frequency band range of 18–40 GHz are successfully measured to verify whether they still have the absorption performance of specific frequencies in the high temperature environment. According to the test results, the feasibility of the reflectance test system is verified.