Patents by Inventor Nana Han

Nana Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR ESTABLISHING CONTENT MONITORING MODEL OF CANOPY WATER OF WINTER WHEAT BASED ON SPECTRAL PARAMETERS
    Publication number: 20200370961
    Abstract: 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.
    Type: Application
    Filed: May 20, 2020
    Publication date: November 26, 2020
    Applicant: China Institute of Water Resources and Hydropower Research
    Inventors: Baozhong ZHANG, Zhigong PENG, Zheng WEI, He CHEN, Shaozhe LIN, Jiabing CAI, Lu LIU, Nana HAN, Qian ZHANG
  • Method for establishing content monitoring model of canopy water of winter wheat based on spectral parameters
    Patent number: 10845243
    Abstract: 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.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: November 24, 2020
    Assignee: CHINA INSTITUTE OF WATER RESOURCES AND HYDROPOWER RESEARCH
    Inventors: Baozhong Zhang, Zhigong Peng, Zheng Wei, He Chen, Shaozhe Lin, Jiabing Cai, Lu Liu, Nana Han, Qian Zhang