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Volume 40 Issue 4
Apr.  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(4): 507-511.
Xie Yan, Chen Jingxiong, Miao Junganget al. Tipping calibration method for K-band hyperspectral microwave radiometer[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(4): 507-511. doi: 10.13700/j.bh.1001-5965.2013.0315(in Chinese)
Citation: Xie Yan, Chen Jingxiong, Miao Junganget al. Tipping calibration method for K-band hyperspectral microwave radiometer[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(4): 507-511. doi: 10.13700/j.bh.1001-5965.2013.0315(in Chinese)
shu

Tipping calibration method for K-band hyperspectral microwave radiometer

doi: 10.13700/j.bh.1001-5965.2013.0315

  • School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 05 Jun 2013
  • Publish Date: 20 Apr 2014
    Abstract
  • The K band ground based hyperspectral microwave radiometer can be applied in the atmospheric sounding field, and it can improve the profile error and the vertical resolution of the moisture profiling from Earth's surface to the atmospheric troposphere. For the purpose of reducing the fluctuations of the atmospheric mean radiant temperature in different frequencies and different elevation angles, an improved tipping calibration method was proposed under hyperspectral microwave condition based on atmospheric profiles of Beijing in previous years and Liebe millimeter propagation model (MPM)(1993). Compared with the traditional tipping calibration, the proposed tipping calibration method can improve the prediction accuracy of the atmospheric mean radiant temperature based on the priori meteorological data in the current area. Analysis results show that the impact of the atmospheric mean radiant temperature on calibration errors can be effectively reduced with the improved tipping calibration method for the K-band ground-based hyperspectral microwave radiometer.

     

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