中国中纬地区电离层总电子含量的太阳活动性变化

中国中纬地区电离层总电子含量的太阳活动性变化 SOLAR ACTIVITY VARIATION IN TOTAL ELECTRON CONTENT AT MID-LATITUDE OF CHINA 刘选谋 Liu Xuanmou Huang Tianxi Shi Nanli Liu Rungdao 1 first-author 黄天锡 1 史南丽 1 刘荣道 1 武汉大学空间物理系 武汉大学空间物理系 Department of Space Physics,Wuhan University Department of Space Physics,Wuhan University 本文利用我国新乡、重庆两中纬地区台站分别于1981年11月至1985年6月和1983年1月至1985年12月接收日本同步卫星 ETS-Ⅱ所得的电离层总电子含量资料,研究了太阳活动下降期（1981～1985）我国中纬地区电离层总电子含量的太阳活动性变化特征。得出了总电子含量日、季变化的二维和三维等值图。由付里叶分析求得日的月中值总电子含量各谐波分量随太阳活动的变化,并用线性回归方法得到总电子含量各谐波幅度与太阳黑子滑动平均值之间的线性关系。 The total electron content（TEC）data obtained at xinxiang（400kin subionospheric point:32.4°N, 115.6°E）and Chongqing（400kin subionospheric point: 27.2°N, 108.7°E）stations by use of Japanese geostationary satellite ETS-2 for the period November 1981 to June 1985 have been used to study the solar activity variation in TEC during the descending of solar activity from 1981 to 1985 at the mid-latitude region of China,The contours and three dimensional plots for diurnal and seasonal variations of TEC were presented.The changes of harmonic components of diurnal variaton in TEC with sunspot number were given by Fourier analysis.The linear relationship between harmonic components of TEC and 12 month running mean values of sunspot number was also obtained by linear regressions. 总电子含量 地球同步卫星 太阳黑子数 付里叶分析 线性回归 total electron content geostationary satellite sunspot number Fourier analysis linear regression 1991-04-01 2021-04-01 4