Retrieval of atmospheric profiles from satellite sounder measurements by use of the discrepancy principle.

@article{Li1999RetrievalOA,
  title={Retrieval of atmospheric profiles from satellite sounder measurements by use of the discrepancy principle.},
  author={Jing Li and H L Huang},
  journal={Applied optics},
  year={1999},
  volume={38 6},
  pages={916-23}
}
It is known that an infrared or a microwave remote-sensing equation is an integral equation of the first kind. As a result, it is ill-posed, the solution is unstable, and difficulties arise in its retrieval. To make the solution stable, either an a priori error covariance matrix or a smoothing factor gamma is necessary as a constraint. However, if the error covariance matrix is not known or if it is estimated incorrectly, the solution will be suboptimal. The smoothing factor gamma depends… CONTINUE READING
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