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中文摘要：
分析了COSMIC掩星数据反演电子密度的方法，利用实例研究反演方法的特点，并采用ISR非相干散射雷达获取的电子密度数据进行验证，进而反演了长三角区域SHAO（IGS）站上空在日全食和太阳风暴期间的电子密度廓线图．通过与平静日期间电离层电子密度进行比较，发现日全食及太阳风暴导致电离层发生的异常变化，从而提出COSMIC掩星数据反演电子密度在监测电离层变化时所具有的优势．
英文摘要：
The paper introduces the method of electron density inversion using COSMIC occulta- tion data, and advantages of the inversion method are analyzed using practical calculation. Mean- while, electron density profiles obtained from ISR （Incoherent Scattering Radar） are compared and analyzed with those from COSMIC occultation. Finally, electron density profiles over the SHAO （IGS station） which is located in Yangtze river region, are reversed using COSMIC occultation mea- surements during the total solar eclipse and the solar storm, and are compared with electron density profiles during the quite day. Ionospheric anomaly caused by the total solar eclipse and the solar storm are analyzed. The advantages of the inversion method from COSMIC occultation data have been found by using inversion method to monitor the ionosphere anomaly.
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