Rain Attenuation at Millimeter and Submillimeter Wavelengths |
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| Authors: | T Utsunomiya and M Sekine |
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| Institution: | (1) Department of Communications Engineering, National Defense Academy, Yokosuka, Japan |
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| Abstract: | The rain attenuation was calculated by using the Marshall-Palmer, Best, Joss-Thomas-Waldvogel and Weibull distributions for raindrop-size. The results were compared with the recent measurements from 8 to 312.5 GHz at the rain rate R = 50mm/hr. Especially, the Weibull distribution has a good agreement with the measurements at 312.5 GHz (0.96 mm) in the submillimeter wavelength. Specific attenuation values from 1 to 1000 GHz were calculated for a rain temperature of –10°C, 0°C and 20°C by using the Weibull distribution. |
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| Keywords: | Raindrop-size distribution rain attenuation Weibull distribution |
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