In-flight observations of electromagnetic interferences emitted by satellite

作     者：CAO JinBin YANG JunYing YUAN ShiGan SHEN XuHui LIU YuanMo YAN ChunXiao LI WenZhen CHEN Tao 

作者机构：School of AstronauticsBeijing University of Aeronautics and AstronauticsBeijing 100191China State Key Laboratory for Space Weather/CSSARBeijing 100191China Dongfanghong Satellite Co.China Academy of Space TechnologyBeijing 100094China Institute of Earthquake ScienceBeijing 100036China 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2009年第52卷第9期

页      面：2112-2118页

核心收录：

学科分类：08[工学] 082503[工学-航空宇航制造工程] 0825[工学-航空宇航科学与技术] 

基　　金：Supported by the National Hi-Tech Research and Development Program of China("863"Project)(Grant No.2008AA12A216) the National Science&Technology Supporting Program during the Eleventh Five-Year Plan,the National Natural Sci-ence Foundation of China(Grant No.40523006) the National Basic Research Pro-gram of China("973"Project)(Grant No.2006CB806305) the Specialized Research Fund for State Key Laboratories 

主　　题：Double Star Program STAFF electromagnetic interference satellite attitude solar aspect angle 

摘      要：Using the data from STAFF/TC-1, this paper for the first time analyzes the electromagnetic interferences of Chinese scientific satellite. The electromagnetic interference of satellite exists mainly below 30 Hz, but can extend to 190 Hz with an obviously decreasing power spectral density. The electromagnetic interferences at frequencies below 190 Hz have good correlation with the solar aspect angle. The electromagnetic interferences at frequencies between 190 and 830 Hz have also correlation with solar as-pect angle. However, the electromagnetic interferences at frequencies above 830 Hz have no correlation with the solar aspect angle. The correlation coefficient between solar aspect angel and electromagnetic interferences is around 0.90. The larger the solar aspect angle, the stronger the satellite electromagnetic interference. When the solar aspect angle increases from 90.6° to 93.6°, the electromagnetic interferences at frequencies 100 Hz) of the total electromagnetic interference produced by satellite. These in flight observations of electromagnetic radiation of satellites will be very helpful to the designs of future satellites of space sciences or earthquake sciences.