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Remote Sensing Technology and Application  2008, Vol. 23 Issue (2): 130-141    DOI: 10.11873/j.issn.1004-0323.2008.2.130
The Study of Retrieving Surface Parameters Based on Genetic Algorithm and Backscattering Models
PANG Zi-zhen 1,2,LIAO Jing-juan 1
(1.Institute of Remote Sensing Applications,Chinese Academy of Sciences,Beijing 100101,China|2.Graduate School,Chinese Academy of Science,Beijing 100039,China)
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The research of retrieving surface roughness and soil moisture under natural bare soils using SAR data has been refined over the last few years; Researchers have proposed lots of backscattering models and inverting techniques.Based on the backscattering models proposed,this paper established a database including surface parameters and backscattering coefficients as well as the surface parameters using genetic algorithm,backscattering coefficients in the database and the surface parameters; Then,the surface parameters were inverted using SIR-C SAR image based on AIEM and Oh models,respectively,and results were analyzed statistically.Therefore,the algorithm above supplies new idea for retrieving surface parameters using radar images.

Key words:   Radar backscattering coefficients      AIEM      Oh model      Genetic algorithm      Parameter inversion     
Received:  30 September 2007      Published:  24 October 2011
TN 957.52  
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PANG Zi-zhen,LIAO Jing-juan. The Study of Retrieving Surface Parameters Based on Genetic Algorithm and Backscattering Models. Remote Sensing Technology and Application, 2008, 23(2): 130-141.

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