Millimeter wave emissivity measurement of military coating materials
投稿时间:2021-02-01  修订日期:2021-09-18  download
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苏金龙 华中科技大学 430074
Abstract:Materials samples of some common military coating including radar absorbing coating, high emission infrared coating, radar absorbing and high emission infrared compatible coating, radar absorbing and low emission infrared compatible coating, and aviation anticorrosive coating are prepared and their emissivity at different observation angles in Ka band is measured in this paper. An improved measurement scheme based on voltage method is proposed and used for the measurement experiments, which aims at eliminating the error from the antenna beam cannot be completely covered by the samples of materials to be measured and inconsistency of thickness between the reference bodies and the samples. In addition, the main sources of measurement uncertainty are analyzed and discussed.
keywords:Millimeter wave, Emissivity measurement, Radiometer
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《Journal of Infrared And Millimeter Waves》