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GPS-based regional ionospheric models and their suitability in Antarctica

【标题】GPS-based regional ionospheric models and their suitability in Antarctica

【Title】GPS-based regional ionospheric models and their suitability in Antarctica

【DOI】10.13679/j.advps.2014.1.00032

【作者】 安家春; 王泽民

【Author】 An Jiachun ; Wang Zemin

【期刊】极地研究

【Journal】Advances in Polar Science

【期刊年份】2014

【卷】25

【期】1-Eng

【关键词】 GPS, ionospheric TEC, regional model, Antarctica

【Keywords】 GPS, ionospheric TEC, regional model, Antarctica

【摘要】There are a number of ionospheric models available for research and application, such as the polynomial model,generalized trigonometric series function model, low degree spherical harmonic function model, adjusted spherical harmonic function model, and spherical cap harmonic function analysis. Using observations from more than 40 continuously operating stations across Antarctica in 2010, five models are compared with regard to their precision and applicability to polar regions. The results show that all the models perform well in Antarctica with 0.1 TECU of residual mean value and 2 TECU of root mean square error.

【Abstract】There are a number of ionospheric models available for research and application, such as the polynomial model,generalized trigonometric series function model, low degree spherical harmonic function model, adjusted spherical harmonic function model, and spherical cap harmonic function analysis. Using observations from more than 40 continuously operating stations across Antarctica in 2010, five models are compared with regard to their precision and applicability to polar regions. The results show that all the models perform well in Antarctica with 0.1 TECU of residual mean value and 2 TECU of root mean square error.

【基金/项目】 基于GPS技术的极区电离层特征及层析模型研究 ; 极区顶部电离层的掩星探测研究 ; 高精度GNSS地学应用的空间天气效应研究 ; 联合地基GPS、掩星和卫星测高技术的南极MSNA特征研究

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