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LIU Jun, JIA Huan-yu, HUANG Qing. Detection of Superimposed Periodic Variation of 1—10 TeV Cosmic Ray Using Wavelets[J]. Nuclear Physics Review, 2004, 21(1): 38-42. doi: 10.11804/NuclPhysRev.21.01.038
Citation: LIU Jun, JIA Huan-yu, HUANG Qing. Detection of Superimposed Periodic Variation of 1—10 TeV Cosmic Ray Using Wavelets[J]. Nuclear Physics Review, 2004, 21(1): 38-42. doi: 10.11804/NuclPhysRev.21.01.038
shu

Detection of Superimposed Periodic Variation of 1—10 TeV Cosmic Ray Using Wavelets

doi: 10.11804/NuclPhysRev.21.01.038

  • College of Science, Southwest Jiaotong University, Chengdu 610031, China

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2004-03-20
  • We use the technique of wavelet analysis and epoch folding methods to search for the superimposed periodic signals of 1—10 TeV cosmic ray in the data obtained with Tibet Ⅱ/HD AS Array for April to June of 1998. Solar time semidiurnal and diurnal variations have been detected with about signalnoise ratio 10 and 6 for the 1 TeV and 10 TeV cosmic ray flux respectively. The semidiurnal variations are of an amplitude 0.3%, a phase 0.9 for 1 TeV cosmic ray and 0.4%, 0.9 for 10 TeV. The diurnal variations are of amplitude 0.5%, 0.7%, and phase 0.8 for 1 TeV and 10 TeV cosmic ray respectively.
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Detection of Superimposed Periodic Variation of 1—10 TeV Cosmic Ray Using Wavelets

doi: 10.11804/NuclPhysRev.21.01.038
  • College of Science, Southwest Jiaotong University, Chengdu 610031, China
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2004-03-20

Abstract: We use the technique of wavelet analysis and epoch folding methods to search for the superimposed periodic signals of 1—10 TeV cosmic ray in the data obtained with Tibet Ⅱ/HD AS Array for April to June of 1998. Solar time semidiurnal and diurnal variations have been detected with about signalnoise ratio 10 and 6 for the 1 TeV and 10 TeV cosmic ray flux respectively. The semidiurnal variations are of an amplitude 0.3%, a phase 0.9 for 1 TeV cosmic ray and 0.4%, 0.9 for 10 TeV. The diurnal variations are of amplitude 0.5%, 0.7%, and phase 0.8 for 1 TeV and 10 TeV cosmic ray respectively.

LIU Jun, JIA Huan-yu, HUANG Qing. Detection of Superimposed Periodic Variation of 1—10 TeV Cosmic Ray Using Wavelets[J]. Nuclear Physics Review, 2004, 21(1): 38-42. doi: 10.11804/NuclPhysRev.21.01.038
Citation: LIU Jun, JIA Huan-yu, HUANG Qing. Detection of Superimposed Periodic Variation of 1—10 TeV Cosmic Ray Using Wavelets[J]. Nuclear Physics Review, 2004, 21(1): 38-42. doi: 10.11804/NuclPhysRev.21.01.038
shu

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