Measurement of Rain Attenuation in Terahertz Wave Range

  • Ishii S
  • Sayama S
  • Kamei T
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Abstract

Rain attenuation at 355.2 GHz in the terahertz wave range was measured with our new 355.2 GHz measuring system under rainfall intensities up to 25 mm/hr. Rain attenuation coefficients were also calculated using four raindrop-size distributions, e Marshall-Palmer (M-P), Best, Polyakova-Shifrin (P-S) and Weibull distributions, and using a specific rain attenuation model for prediction methods recommended by ITU-R. Measurements of a terahertz wave taken at 355.2 GHz were compared with our calculations. Results showed that the propagation experiment was in very good agreement with a calculation from a specific attenuation model for use in prediction method recommended by ITU-R.

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Ishii, S., Sayama, S., & Kamei, T. (2011). Measurement of Rain Attenuation in Terahertz Wave Range. Wireless Engineering and Technology, 02(03), 119–124. https://doi.org/10.4236/wet.2011.23017

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