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Probabilistic Attenuation Correction in a Networked Radar Environment
A probabilistic attenuation correction technique for a single-polarization networked radar environment is proposed. The proposed technique, based on the Bayesian theory, makes a maximization of a likelihood function of Hitschfeld-Bordan (HB) reflectivity obtained by each radar node. A variance of the HB reflectivity ({\sigma_{\mathrm{HB}}}^{2}) is defined and regarded as instability of each HB reflectivity in the proposed technique. In the X-band simulation based on S-band real radar data, it is revealed that the corrected reflectivity obtained by the proposed technique has good accuracy, and the proposed technique works more stably than the HB technique. The proposed technique is also performed using CASA IP-1 dual-polarization radar network observations, and the corrected reflectivity by the proposed technique has a good agreement with differential phase ({\Phi}_\mathrm{DP})-based corrected reflectivity.
Probabilistic Attenuation Correction in a Networked Radar Environment
A probabilistic attenuation correction technique for a single-polarization networked radar environment is proposed. The proposed technique, based on the Bayesian theory, makes a maximization of a likelihood function of Hitschfeld-Bordan (HB) reflectivity obtained by each radar node. A variance of the HB reflectivity ({\sigma_{\mathrm{HB}}}^{2}) is defined and regarded as instability of each HB reflectivity in the proposed technique. In the X-band simulation based on S-band real radar data, it is revealed that the corrected reflectivity obtained by the proposed technique has good accuracy, and the proposed technique works more stably than the HB technique. The proposed technique is also performed using CASA IP-1 dual-polarization radar network observations, and the corrected reflectivity by the proposed technique has a good agreement with differential phase ({\Phi}_\mathrm{DP})-based corrected reflectivity.
Probabilistic Attenuation Correction in a Networked Radar Environment
Shimamura, Shigeharu (author) / Chandrasekar, V / Ushio, Tomoo / Kim, Gwan / Yoshikawa, Eiichi / Chen, Haonan
2016
Article (Journal)
English
Local classification TIB:
770/3710/5670
BKL:
38.03
Methoden und Techniken der Geowissenschaften
/
74.41
Luftaufnahmen, Photogrammetrie
Probabilistic Attenuation Correction in a Networked Radar Environment
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