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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 27 — Dec. 19, 2011
  • pp: 26696–26709

Iterative approach to self-adapting and altitude-dependent regularization for atmospheric profile retrievals

Marco Ridolfi and Luca Sgheri  »View Author Affiliations


Optics Express, Vol. 19, Issue 27, pp. 26696-26709 (2011)
http://dx.doi.org/10.1364/OE.19.026696


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Abstract

In this paper we present the IVS (Iterative Variable Strength) method, an altitude-dependent, self-adapting Tikhonov regularization scheme for atmospheric profile retrievals. The method is based on a similar scheme we proposed in 2009. The new method does not need any specifically tuned minimization routine, hence it is more robust and faster. We test the self-consistency of the method using simulated observations of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). We then compare the new method with both our previous scheme and the scalar method currently implemented in the MIPAS on-line processor, using both synthetic and real atmospheric limb measurements. The IVS method shows very good performances.

© 2011 OSA

OCIS Codes
(000.3860) General : Mathematical methods in physics
(010.1280) Atmospheric and oceanic optics : Atmospheric composition
(100.3190) Image processing : Inverse problems
(280.4991) Remote sensing and sensors : Passive remote sensing

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: September 14, 2011
Revised Manuscript: November 3, 2011
Manuscript Accepted: November 3, 2011
Published: December 14, 2011

Citation
Marco Ridolfi and Luca Sgheri, "Iterative approach to self-adapting and altitude-dependent regularization for atmospheric profile retrievals," Opt. Express 19, 26696-26709 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-27-26696


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