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Rain depolarization measurement using INTELSAT-IV satellite in 4 GHz band at a low elevation angle

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Abstract

The degradation of cross polarization discrimination (XPD)due to rain has been measured at 4 GHz using the Indian OceanINTELSAT-IVsatellite at Yamaguchi in Japan, where the satellite elevation angle is as low as 9 degrees. Based on the data obtained from August 1975 to October 1976, this paper describes the analyses on the cumulative time distribution ofXPD,the correlation ofXPDdegradation with surface rain rate and rain attenuation, and the duration characteristics ofXPDdegradation.

Analyse

La dégradation de l’isolation entre polarisations croisées due à la pluie a été mesurée pour 4 GHz à Yamaguchi (Japon) en utilisantINTELSAT-IV,satellite situé audessus de l’océan indien. L’angle de site du satellite ne dépasse pas 9°. En se basant sur les mesures obtenues d’août 1975 à octobre 1976, cet article décrit les analyses de la distribution temporelle de l’isolation entre polarisations croisées, la corrélation entre cette isolation et l’intensité locale de précipitation, ainsi qu’avec l’affaiblissement par la pluie. Cet article décrit également les caractéristiques de la durée de l’isolation.

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References

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Authors and Affiliations

  1. Research and Development Laboratories, Kokusai Denshin Denwa Co., Ltd., 2-1-23, Nakameguro, Meguro-ku, 153, Tokyo, Japan

    Matsuichi Yamada, Akiyoshi Ogawa, Osamu Furuta & Hironori Yuki

Authors
  1. Matsuichi Yamada
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  2. Akiyoshi Ogawa
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  3. Osamu Furuta
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  4. Hironori Yuki
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Yamada, M., Ogawa, A., Furuta, O. et al. Rain depolarization measurement using INTELSAT-IV satellite in 4 GHz band at a low elevation angle. Ann. Télécommunic. 32, 524–529 (1977). https://doi.org/10.1007/BF03003507

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  • DOI: https://doi.org/10.1007/BF03003507

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