Post-launch calibration of the TRMM microwave imager

  title={Post-launch calibration of the TRMM microwave imager},
  author={Frank Wentz and Peter Ashcroft and Chelle L. Gentemann},
  journal={IEEE Trans. Geoscience and Remote Sensing},
Three post-launch calibration methods are used to examine the Tropical Rainfall Measuring Mission (TRMM) microwave imager (TMI) on-orbit performance. The first method is a statistical analysis of TMI ocean observations that reveals a systematic along-scan error. The second method is an intercomparison of TMI and SSM/I observations that shows a warm bias in TMI. The last method is an analysis of TMI observations taken during TRMMs deep-space maneuver. These deep-space observations confirm both… CONTINUE READING
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