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Attenuation and Differential Attenuation Correction of C-Band Radar Observations Using a Fully Self-Consistent Methodology.
- Source :
- IEEE Geoscience & Remote Sensing Letters; Apr2007, Vol. 4 Issue 2, p326-330, 5p
- Publication Year :
- 2007
-
Abstract
- A new methodology for correcting the reflectivity factor and differential reflectivity at C-band for rain attenuation is presented. Following a methodology already proposed for X-band, new algorithms are developed based on a full self-consistency condition, describing the interrelation between polarimetric measurements and attenuation along the rain medium. The performance of the algorithms for application to C-band dual-polarization radars is evaluated extensively using radar data collected by the Polar 55C in the Rome region (Italy). Quantitative evaluation of attenuation and differential attenuation estimates is conducted based on C-band dual-polarization observations generated from S-band radar measurements. Evaluation of the new full self-consistency algorithms shows a significant improvement in performance. A key result of this iterative technique is the capability to remove any systematic bias from attenuation and differential attenuation estimates that could arise from drop size distribution variability [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 1545598X
- Volume :
- 4
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- IEEE Geoscience & Remote Sensing Letters
- Publication Type :
- Academic Journal
- Accession number :
- 52158292
- Full Text :
- https://doi.org/10.1109/LGRS.2007.894162