ionospheric disturbances 中文意思是什麼
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By means of 4 dual - frequency gps receivers over china, the tec in the ionosphere during solar flare on nov 22, 1998 is calculated. the results indicate that the flare, the x - ray level of which is x3. 7, cause obvious tec enhancements in the ionosphere, the largest tec enhancement caused by the flare is about 1. 25 tecu. the characteristic of this method to study such ionospheric disturbances caused by flares is analyzed. it is concluded that this method can be used to study the ionosphere disturbances caused by solar flare, and can get more ionospheric disturbances information because of the special satellite constellation
此次耀斑爆發引起了設在北京的高頻多普勒長達15min左右的無線電短波中斷。通過對gps得到的電離層tec進行分析發現：此次耀斑造成了大面積的電離層tec的增加，耀斑爆發引起的最大tec增幅在1 . 25個tec單位左右利用高精度的gps數據處理方法可研究耀斑引起的電離層擾動。另外，還分析了由gps計算的tec的時空變化特點。 -
Characteristics of variation and disturbances in low - latitude ionosphere were investigated based on the data observed in hainan under different magnetic activities and solar activities including variations and disturbances of parameters in different ionospheric layers, behaviors of plasma drift and a comparison with other low - latitude ionospheric station. the disturbance propagations from high to low latitude region during magnetic storm time are also investigated with analyzing the data obtained from the east - asian high - middle latitude stations
本文在觀測數據分析的基礎上研究了不同地磁活動和太陽活動條件下低緯電離層的變化和擾動特性，包括海南電離層各分層的參數變化和擾動特性，電離層漂移的變化特性，並與低緯度地區其他臺站進行了對比分析，還對暴時東亞地區高中緯度地區臺站的觀測資料進行了分析，研究了電離層擾動從高緯到低緯的響應過程。
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