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METEOROLOGICAL COUNCIL ACCOUNTING TECHNOLOGY WITH POLARISATION DIVERSITY

机译:具有极化多样性的气象理事会会计技术

摘要

Process for estimating a precipitation rate by means of a bipolar radar, characterized by the following various steps:the differential phase dp and the attenuated reflectivity Z according to at least one of the polarizations H or V are measured by means of said bipolar radar, over a given interval [r1, r0] of path radius r with respect to said radar; an estimate of the value K(r0) of the attenuation at r0 is determined from the attenuated reflectivity profile thus measured, as well as from the difference in the differential phase between r0 and r1; an estimate K(r) of the specific attenuation at r as a function of the attenuation K(r0) thus determined and of the attenuated reflectivity profile Z(r) is determined; the rate of precipitation R(r) is determined knowing K(r).
机译:一种通过双极雷达估计降水速率的方法,其特征在于以下各个步骤:在所述双极雷达上,根据所述极化H或V中的至少一个来测量微分相位dp和衰减反射率Z。相对于所述雷达的路径半径r的给定间隔[r1,r0];根据如此测量的衰减反射率曲线以及r0与r1之间的微分相位差确定r0处衰减值K(r0)的估算值;确定作为确定的衰减K(r0)和衰减的反射率曲线Z(r)的函数的在r处的特定衰减的估计K(r);已知K(r)即可确定降水率R(r)。

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