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本文利用1979—1983年我国地磁台站磁暴急始资料,逐年计算了△Z/△H及传递函数a、b。结果表明,位于我国东部(佘山除外)台站的△Z/△H及a值,绝大多数在0.10之内。中部台站△Z/△H及a值较高,约在0.13—0.21范围内,其中兰州最大,银川次之,佘山、西安、成都为负值,数值也较大。各台的△Z/△H及a值未见明显趋势性变化,b值逐年变化起伏较大,无明显规律性。
In this paper, using the data of geomagnetic storm from 1979 to 1983 at geomagnetic stations in China, the △ Z / △ H and transfer functions a, b are calculated year by year. The results show that the △ Z / △ H and a values located at the stations in the eastern part of China except Sheshan are mostly within 0.10. Central station △ Z / △ H and a value higher, about 0.13-0.21 range, of which the largest Lanzhou, Yinchuan times, Sheshan, Xi’an, Chengdu is negative, the value is also larger. Each station △ Z / △ H and a value no significant trend change, b values fluctuate year by year, no obvious regularity.