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A North America Wide Area Neutral Atmosphere Model For Gnss Applications

机译：适用于Gnss应用的北美广域中性大气模型

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摘要

In this paper we are Introducing a new neutral atmosphere model, which was designed to provide better predictions for different regions inside a delimited wide area. The goal of this new development is to have a more reliable model for wide area augmentation system users, with some homogeneity in terms of accuracy performance over the area of interest. The approach for creating the new wide area neutral atmosphere model for North America (UNBw.na) is comprehensively described and discussed. All result analyses took into consideration the most recent version of the UNB models, until now, UNB3m. Results for prediction of meteorological parameters show that the new grid-based model can perform better than a latitude (only) based model (such as UNB3m). The analyses showed that UNBw.na is consistently better than UNB3m in several aspects, and the adopted procedure for a meteorological parameter grid calibration has resulted in a reliable model.
机译：在本文中，我们将介绍一个新的中性大气模型，该模型旨在为定界广域内的不同区域提供更好的预测。这项新开发的目标是为广域增强系统用户提供一个更可靠的模型，并且在感兴趣区域的准确性方面具有一定的同质性。全面描述和讨论了创建北美新的广域中性大气模型的方法（UNBw.na）。所有结果分析都考虑到了最新版本的UNB模型，直到现在为UNB3m。气象参数预测结果表明，新的基于网格的模型的性能要比基于纬度（仅）的模型（例如UNB3m）更好。分析表明，UNBw.na在几个方面始终优于UNB3m，并且采用的气象参数网格校准程序已建立了可靠的模型。

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  • 来源
    《Navigation》 |2009年第1期|57-71|共15页
  • 作者

    RODRIGO F. LEANDRO; MARCELO C. SANTOS; RICHARD B. LANGLEY;

  • 作者单位

    Geodetic Research Laboratory, Department of Geodesy and Geomatics Engineering, University of New Brunswick, Fredericton, Canada Trimble Terrasat GmbH, Trimble Geomatics and Engineering Group, Hoehenkirchen, Germany;

    Geodetic Research Laboratory, Department of Geodesy and Geomatics Engineering, University of New Brunswick, Fredericton, Canada;

    Geodetic Research Laboratory, Department of Geodesy and Geomatics Engineering, University of New Brunswick, Fredericton, Canada;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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