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首页> 外文期刊>International journal of remote sensing >Cross-validation of two liquid water path retrieval algorithms applied to ground-based microwave radiation measurements by the RPG-HATPRO instrument
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Cross-validation of two liquid water path retrieval algorithms applied to ground-based microwave radiation measurements by the RPG-HATPRO instrument

机译:RPG-HATPRO仪器对两种用于地面微波辐射测量的液态水路径检索算法的交叉验证

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摘要

A built-in operational regression algorithm (REA) of liquid water path (LWP) retrieval supplied by the manufacturer of the RPG-HATPRO microwave (MW) radiometer has been compared to a so-called physical algorithm (PHA) based on the inversion of the radiative transfer equation. The comparison has been performed for different scenarios of MW observations by the RPG-HATPRO instrument that has been operating at St. Petersburg University since June 2012. The data for the scenarios have been collected within the time period December 2012-December 2014. The estimations of bias and random error for both REA and PHA have been obtained. Special attention has been paid to the analysis of the quality of the LWP retrievals before and after rain events that have been detected by the built-in rain sensor. The estimation has been done of the time period after a rain event when the retrieval quality should be considered as insufficient.
机译:由RPG-HATPRO微波(MW)辐射计制造商提供的内置的液态水路径(LWP)检索操作回归算法(REA)已与基于辐射传递方程。自2012年6月以来一直在圣彼得堡大学运行的RPG-HATPRO仪器已针对不同的兆瓦观测情景进行了比较。这些情景的数据已在2012年12月至2014年12月的时间范围内收集。 REA和PHA的偏差和随机误差均已获得。内置降雨传感器已检测到降雨前后,LWP取回质量的分析得到了特别关注。已经对降雨事件之后的时间段进行了估算,此时应该认为检索质量不足。

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  • 来源
    《International journal of remote sensing》 |2018年第6期|1321-1342|共22页
  • 作者单位

    St Petersburg State Univ, Dept Atmospher Phys, Fac Phys, Ulyanovskaya 1, St Petersburg 198504, Russia;

    St Petersburg State Univ, Dept Atmospher Phys, Fac Phys, Ulyanovskaya 1, St Petersburg 198504, Russia;

    St Petersburg State Univ, Dept Atmospher Phys, Fac Phys, Ulyanovskaya 1, St Petersburg 198504, Russia;

    St Petersburg State Univ, Dept Atmospher Phys, Fac Phys, Ulyanovskaya 1, St Petersburg 198504, Russia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
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