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Method for establishing content monitoring model of canopy water of winter wheat based on spectral parameters
A method for establishing a monitoring model of a water content of a winter wheat canopy based on spectral parameters, includes the following steps: measuring a spectral reflectance and a water content of the winter wheat canopy; constructing the spectral parameters through the spectral reflectance; wherein, the spectral parameters comprise spectral transformation forms and “trilateral” parameters; performing correlation analysis on the water content of the winter wheat canopy and the spectral transformation forms and the trilateral parameters, selecting comprehensive spectral parameters with a significant correlation for each growth stage, performing principal component analysis on the comprehensive spectral parameters, separately constructing a water content monitoring model for each growth stage, and combining the water content monitoring model for each growth stage into the monitoring model of the water content of the winter wheat canopy for the whole growth stage.
CHINA INSTITUTE OF WATER RESOURCES AND HYDROPOWER RESEARCH
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G01N G01N G01J G01N A01G G01N G01J
additional inventional inventional inventional inventional inventional additional
Zheng Jiabing Baozhong Lu Zhigong Qian Nana Shaozhe He
Wei Cai Zhang Liu Peng Zhang Han Lin Chen