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- 2018
基于Holt指数平滑模型的Klobuchar模型精化
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Abstract:
利用IGS（International GNSS Service）中心提供的中、低纬度地区平静期、活跃期观测数据，通过Klobuchar模型与双频观测模型解算电离层总电子含量（total electron content，TEC）值。采用Holt指数平滑模型对每个历元前6 d两种模型差值进行1 d预测，利用预测所得差值对Klobuchar模型第7 d的TEC值进行改进。实验结果表明，无论在电离层活跃期还是平静期，改进模型改正效果比基本模型有显著提升，改进模型能更好地反映电离层变化特性，尤其是夜间电离层变化特性
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