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Model for the Microwave Backscattering Mechanisms of Rice

ZENG Qiming\ MA Hongbing\ ZHANG Tao (Institute of Remote Sensing & Geographic Information System,Peking University,Beijing,100871)  
Based on the Vector Radiative Transfer(VRT) theory and the characteristics of the SAR technology,several sub\|models for rice backscattering are constructed,including the leaf scattering model,the leaf extinction model,the trunk scattering model,the trunk extinction model and the water reflection model.Then an integrated model for the first\|order scattering mechanisms of rice,including all the main physical processes,is achieved.Based on the simulation results,it is discussed that the variations of the rice backscattering coefficient with the date,incidence angle,wave band,and polarization.
【Fund】: 国家自然科学基金;;国家九五科技攻关
【CateGory Index】: S127;S511
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