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Evaluation of inter-annual variability of rainfall rate and rain attenuation based on the ITU Rec P.678

机译:根据ITU P.678建议书评估降雨率和降雨衰减的年际变化

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The inter-annual variability of rainfall rate and rain attenuation statistics is an important subject, since it defines the confidence interval that an operator must consider in order to guarantee a certain QoS. This variability can now be assessed through the ITU recommendation P.678-2. The present work performs a qualitative assessment on the suitability of this recommendation, based on a database of 8 years, comprising rain attenuation at Ka-band and rainfall rate, collected concurrently, in Aveiro, Portugal, with the former HotBird-6 satellite.
机译:降雨率和降雨衰减统计数据的年际变化是一个重要的主题,因为它定义了运营商为保证一定QoS而必须考虑的置信区间。现在可以通过ITU建议P.678-2评估这种可变性。本工作基于8年的数据库对这项建议的适用性进行了定性评估,该数据库包括使用前HotBird-6卫星在葡萄牙阿威罗同时收集的Ka波段降雨衰减和降雨率。

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