Phase relationship between the relative sunspot number and solar 10.7 cm flux  

作　　者：ZHANG XueFeng LE GuiMing ZHANG YanXia 

机构地区：[1]School of Computer Science,Anhui University of Technology,Maanshan 243032,China [2]Key Laboratory of Solar Activity,National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China [3]Key Laboratory of Modern Astronomy and Astrophysics,Ministry of Education,Nanjing University,Nanjing 210093,China [4]National Center for Space Weather,China Meteorological Administration,Beijing 100081,China [5]School of Mathematics&Physics,Anhui University of Technology,Maanshan 243032,China

出　　处：《Chinese Science Bulletin》2012年第17期2078-2082,共5页

基　　金：supported by the National Natural Science Foundation of China(41074132,40931056);the Foundation for Standout Youth of Anhui Province(2010SQRL039)

摘　　要：A range of analysis approaches,namely continuous wavelet,cross wavelet,and wavelet coherence analyses,are employed to clarify the phase relationship between the smoothed monthly mean sunspot number and solar 10.7 cm flux(F10.7).Analysis shows that there is a region of high spectral power sitting across the Schwabe cycle belt,where the two time series are in phase.However,analysis of the cross-wavelet transform and wavelet coherence unveils asynchronous behavior featured with phase mixing in the high-frequency components of sunspot activity and solar F10.7,which may explain the different activity properties of the photosphere and corona on a short time scale.A range of analysis approaches, namely continuous wavelet, cross wavelet, and wavelet coherence analyses, are employed to clarify the phase relationship between the smoothed monthly mean sunspot number and solar 10.7 cm flux （F10.7）. Analysis shows that there is a region of high spectral power sitting across the Schwabe cycle belt, where the two time series are in phase. However analysis of the cross-wavelet transform and wavelet coherence unveils asynchronous behavior featured with phase mixing in the high-frequency components of sunspot activity and solar FI0.7, which may explain the different activity properties of the photo- sphere and corona on a short time scale.

关 键 词：相位关系 太阳黑子相对数 太阳能 通量 连续小波 交叉小波变换 太阳黑子活动 相干分析 

分 类 号：P182.9[天文地球—天文学]