Jin-Long SU, Fei HU, Yan TIAN, Tao ZHENG, Yan HU. Millimeter wave emissivity measurement of military coating materials[J]. Journal of Infrared and Millimeter Waves, 2021, 40(6): 761
- Journal of Infrared and Millimeter Waves
- Vol. 40, Issue 6, 761 (2021)
Fig. 1. Radiation contribution of each part (a) direct measurement, (b) measurement with measured window
Fig. 2. Military coating material samples are measured in the experiments
Fig. 3. Measurement scenarios (a)the measurement based on voltage method, (b) the measurement based on improved voltage method.
Fig. 4. The comparison of measured results of radar absorbing coating
Fig. 5. Emissivity of high emissivity infrared coating in Ka band
Fig. 6. Emissivity of combination of high emissivity infrared coating and the radar absorbing coating in Ka band
Fig. 7. Emissivity of aviation anticorrosive coating in Ka band
Fig. 8. Emissivity of the combination of low emissivity infrared coating and the radar absorbing coating in Ka band
Fig. 9. Variation of relative uncertainty with ambient brightness temperature （the surface temperature of sample is 290 K）.
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Table 1. Main parameters of samples
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Table 2. Experimental uncertainty
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