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Research on Tropospheric Delay Correction Model

Abstract第6页
摘要第7-10页
Chapter 1 Introduction第10-19页
    1.1 Background and significance of the research第10-11页
    1.2 Research history and present situation第11-18页
        1.2.1 Forecast tropospheric delay by using experience model第12-16页
        1.2.2 Estimation by treating tropospheric zenith delay as an unknown parameter第16页
        1.2.3 External correction method第16-17页
        1.2.4 Analysis and conclusion第17-18页
    1.3 Major work and research contents第18-19页
Chapter 2 Basic information of atmosphere and atmosphere structure第19-28页
    2.1 Basic information of atmosphere第19-22页
        2.1.1 Atmospheric composition第19-20页
        2.1.2 Meteorological parameter第20-22页
    2.2 Layered structure of the atmosphere第22-26页
        2.2.1 Troposphere第24-25页
        2.2.2 Stratosphere第25页
        2.2.3 Mesosphere第25页
        2.2.4 Thermosphere第25-26页
        2.2.5 Exosphere第26页
    2.3 Conclusion of this chapter第26-28页
Chapter3 Research on troposphere zenith delay model第28-40页
    3.1 Hopfield model第28-31页
        3.1.1 Basic theory of Hopfield model第28-29页
        3.1.2 Precision analysis of Hopfield model第29-31页
    3.2 BP Basic theory of neural network model第31-37页
        3.2.1 BP Basic principle of neural network model第31-33页
        3.2.2 Analysis and selection of meteorological parameters第33-37页
    3.3 Construction of different BP neural network models第37-39页
        3.3.1 Neural network model 6×P×1第37-38页
        3.3.2 Neural network model 5×P×1第38页
        3.3.3 Neural network model 4×P×1第38页
        3.3.4 Neural network model 3×P×1第38-39页
    3.4 Conclusion of this chapter第39-40页
Chapter 4 Optimization analysis of correction model第40-44页
    4.1 Optimized BP model第40-42页
    4.2 Combination of Hopfield model and BP model第42-43页
    4.3 Time effectiveness analysis of HF-BP model第43页
    4.4 Conclusion of this chapter第43-44页
Chapter 5 Conclusions and Outlook第44-46页
    5.1 Research conclusion第44-45页
    5.2 Research prospects第45-46页
Acknowledgement第46-47页
References第47-49页

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