Volume 31 Issue 1
Jan.  2011
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Zhao Lei, Chen Jinsong, Li Na, Zhao Zhenwei, Wu Jian. MF Radar in Kunming and Its Preliminary Observation Results[J]. Journal of Space Science, 2011, 31(1): 27-33. doi: 10.11728/cjss2011.01.027
Citation: Zhao Lei, Chen Jinsong, Li Na, Zhao Zhenwei, Wu Jian. MF Radar in Kunming and Its Preliminary Observation Results[J]. Journal of Space Science, 2011, 31(1): 27-33. doi: 10.11728/cjss2011.01.027

MF Radar in Kunming and Its Preliminary Observation Results

doi: 10.11728/cjss2011.01.027
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  • Corresponding author: Chen Jinsong
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2011-01-15
  • MF radar is an important instrument for measuring the wind field of the mesosphere and electron density of the lower ionosphere. The principle, configuration and working mode of a new MF radar in Kunming is presented firstly. Then, its observation data are preliminary analysed. The observation in January 2009 shows the certain fluctuation character of the horizontal wind with the largest zonal velocity of 80 m/s and meridional velocity of 40 m/s. The data in this month are studied by using Lomb-Scargle periodogram and harmonic fitting method. It indicates that the diurnal tide is the major perturbance component of the wind field in the height between 80~100 km. The amplitudes of the zonal and meridional tides change with height, and the phases propagating downward. It is also shown that the phase of the meridional tide is ahead of the zonal one. The comparison between the observed electron density on daytime and IRI2000 value indicates that both the variations versus height are agree well with each other, though sometimes the former is smaller.

     

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