Calibration of the solar radio spectrometer

Details Calibration of the solar radio spectrometer Calibration of the solar radio spectrometer

Nov 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009scchg..52.1760t&link_type=abstract

Science in China Series G: Physics, Mechanics and Astronomy, Volume 52, Issue 11, pp.1760-1764

Astronomy and Astrophysics

Astronomy

Solar Radio Spectrometer, Calibration Coefficient, Moving-Average, Air Temperature, Correlation

Scientific paper

This paper shows some improvements and new results of calibration of Chinese solar radio spectrometer by analyzing the daily calibration data recorded in the period of 1997-2007. First, the calibration coefficient is fitted for three bands (1.0-2.0 GHz, 2.6-3.8 GHz, 5.2-7.6 GHz) of the spectrometer by using the moving-average method confined by the property of the daily calibration data. By this calibration coefficient, the standard deviation of the calibration result was less than 10 sfu for 95% frequencies of 2.6-3.8 GHz band in 2003. This result is better than that calibrated with the constant coefficient. Second, the calibration coefficient is found in good correlation with local air temperature for most frequencies of 2.6-3.8 GHz band. Moreover, these results are helpful in the research of the quiet solar radio emission.

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