Patents by Inventor Meigen ZHANG

Meigen ZHANG 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).

  • Electromagnetic wave field data processing method and apparatus, and medium
    Patent number: 11693105
    Abstract: An electromagnetic wave field data processing method is provided and includes determining loss-free electromagnetic wave field data corresponding to electromagnetic wave field data according to the electromagnetic wave field data; performing first amplitude compensation on the electromagnetic wave field data and the loss-free electromagnetic wave field data; extracting waveform information; determining a first sequence corresponding to the electromagnetic wave field data and a second sequence corresponding to the loss-free electromagnetic wave field data which meet a preset condition respectively from the waveform information, determining time sequences corresponding to the first sequence and the second sequence; and determining an attenuation coefficient of the electromagnetic wave field data according to a first preset mode and performing second amplitude compensation on the electromagnetic wave field data according to the attenuation coefficient.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: July 4, 2023
    Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Changmin Fu, Qingyun Di, Miaoyue Wang, Meigen Zhang, Xiaotian Wang
  • ELECTROMAGNETIC WAVE FIELD DATA PROCESSING METHOD AND APPARATUS, AND MEDIUM
    Publication number: 20230021093
    Abstract: An electromagnetic wave field data processing method is provided and includes determining loss-free electromagnetic wave field data corresponding to electromagnetic wave field data according to the electromagnetic wave field data; performing first amplitude compensation on the electromagnetic wave field data and the loss-free electromagnetic wave field data; extracting waveform information; determining a first sequence corresponding to the electromagnetic wave field data and a second sequence corresponding to the loss-free electromagnetic wave field data which meet a preset condition respectively from the waveform information, determining time sequences corresponding to the first sequence and the second sequence; and determining an attenuation coefficient of the electromagnetic wave field data according to a first preset mode and performing second amplitude compensation on the electromagnetic wave field data according to the attenuation coefficient.
    Type: Application
    Filed: April 30, 2020
    Publication date: January 19, 2023
    Inventors: Changmin FU, Qingyun DI, Miaoyue WANG, Meigen ZHANG, Xiaotian WANG