电离层闪烁是当电波通过电离层时，受电离层结构的不均匀性影响，造成信号振幅、相位等的短周期不规则变化的现象。
电离层闪烁观测是研究电离层闪烁现象及其效应的基础。
The monitoring of ionospheric scintillations is the basic to study the scintillation phenomena and its effects.
结果表明：(1)武昌电离层闪烁不但有日变化，而且有季变化。
The results are (1) at Wuchang, ionospheric scintillations exhibit not only diurnal variations but also seasonal variations.
在高纬地区，由于电离层闪烁，从TEC时间变化曲线提取不出来总电子含量增加值。
Due to the ionospheric scintillation, the TEC enhancement couldn't be derived from temporal TEC variation curves in the high latitudes.
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