geomagnetic activity

It is assesed that the possible maximum 1-year ( and 10-year ) GIC values are 78 ( 234 ) A / phase on the Hydro-Queb é c power system according to the statistical analysis of geomagnetic activity .

通过对地磁活动性的统计分析，估计加拿大魁北克电网可能经受的最大GIC达每相78A（一年一次）和234A（每十年一次）。

The solar flare and geomagnetic activity influence obviously the distribution of the electron density ;

太阳耀斑、地磁活动对该区电子密度有明显影响；d。

An estimation of geomagnetic activity maximum in twenty first solar cycle

第21太阳活动周地磁活动峰值的预计

Effect of geomagnetic activity and Solar-cycle variation on the ring current ions

地磁活动与太阳活动对环电流离子成分与位置的影响

The evolutionary relations of coronal holes with solar cycles and geomagnetic activity

冕洞与太阳活动周及地磁活动的演化关系

Characteristics of Whistler propagation at Wuchang and their correlation with geomagnetic activity

武昌哨声的传播特征及其与地磁活动的相关

It was found that the occurrence rate , current intensity and density increase with an increasing level of geomagnetic activity .

统计结果表明，场向电流的发生率、强度和密度都随地磁活动的增加而增大。

Compared with the geomagnetic activity , the solar activity did not evidently affect the scintillation occurrence .

相对于地磁活动，太阳活动对闪烁活动的影响相对不明显。

The relationship between the enhancement events of ionospheric Es in the Far Bast region of the world and geomagnetic activity is examined .

本文考察了远东地区电离层Es的增强与地磁活动的关系。

The dependence of ion energy density on different geomagnetic activity levels indicated by Kp indices has been studied . A linear correlation of energy density with Kp has been found .

研究表明能量离子的能量密度以及能量密度的梯度与地磁活动指数Kp之间存在近似线性的关系。

In addition , the solar flux and geomagnetic activity proxies that we have employed do not capture some latitude and inter-annual variations detected in our data .

此外，谐波成份中存在的纬度变化和年际变化并不能很好地用太阳活动和地磁活动指数拟合。

In this paper , the possibility of the nonlinear prediction for geomagnetic activity by using AE index is approached with the method of radial basis function and weighted average of neighboring points .

本文运用径向基函数法和邻点加权拟合法构造预测模型，利用AE指数对地磁活动的非线性预测的可能性进行了探讨。

The statistical results are presented here of the diurnal variation of occurrence frequency , the correlation with geomagnetic activity and the relationship with the background plasma convection pattern for above two types of pulsation events .

文中给出了上述两类脉动事件出现率的日变化，与地磁活动的相关，与背景电离层等离子体对流特性的关系等统计分析结果。

The influences of the IMF sector boundaries of four different types on the geomagnetic field activity

不同类型扇形边界对地磁活动的影响

The Correlation Between Field Aligned Currents and Geomagnetic and Substorm Activity

场向电流与地磁和亚暴活动的相关性