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首页> 外文期刊>ournal of the Meteorological Society of Japan >Precise Orbits for Ground-Based GPS Meteorology: Processing Strategy and Quality Assessment of the Orbits Determined at Geodetic Observatory Pecný
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Precise Orbits for Ground-Based GPS Meteorology: Processing Strategy and Quality Assessment of the Orbits Determined at Geodetic Observatory Pecný

机译：地面GPS气象学的精确轨道：大地观测站Pecný确定的轨道的处理策略和质量评估

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摘要

The GPS meteorology has been the driving force behind the near real-time (NRT) GPS analyses during the past few years. High availability of precise near real-time GPS orbits is essential for obtaining reliable solutions in almost all applications. This is especially true when estimating the troposphere parameters. Besides the demand on high accuracy, the orbit products should stand out for their stability in production as well as for their completeness in set of satellites. The most likely candidates for the applicable orbits are products of the International GPS Service (IGS). We will outline, at first, the results of our monitoring activity of the IGS ultra-rapid orbits provided beside their routine usage in Geodetic Observatory Pecny´ (GOP). Thereafter, we will explain our procedure for NRT orbit determination using an efficient technique of combining short orbit arcs into the final orbits over 2-3 days. Our official orbit results, as well as testing variants of the combination, were evaluated using the IGS final and ultrarapid orbit products. Finally, we will demonstrate the direct application of our orbits in the NRT GPS analyses for sensing the regional and global troposphere.
机译：在过去的几年中，GPS气象学一直是近实时（NRT）GPS分析背后的推动力。精确的近实时GPS轨道的高可用性对于在几乎所有应用中获得可靠的解决方案至关重要。在估算对流层参数时尤其如此。除了对精度的要求外，轨道产品还应因其生产的稳定性以及卫星集的完整性而脱颖而出。适用轨道最有可能的候选者是国际GPS服务（IGS）的产品。首先，我们将概述我们在大地观测台Pecny（GOP）中常规使用的IGS超快速轨道的监测活动结果。此后，我们将使用有效的技术说明将NRT轨道确定的程序，该方法将短轨道弧段组合成2-3天的最终轨道。我们使用IGS最终和超快速轨道产品评估了我们的官方轨道结果以及该组合的测试变体。最后，我们将展示我们的轨道在NRT GPS分析中的直接应用，以感测区域和全球对流层。

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