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    • 10. 发明申请
    • RADAR IMAGE PROCESSING
    • WO2019150107A1
    • 2019-08-08
    • PCT/GB2019/050258
    • 2019-01-30
    • UNITED KINGDOM RESEARCH AND INNOVATION
    • MCCANN, David
    • G01S13/89G01S13/90G01S7/40
    • A method of remote sensing of a body of water comprising: using a radar apparatus installed on a vessel to obtain a plurality of radar intensity images of the surface of the body of water; registering a geographic location of each of the plurality of radar intensity images, wherein registering the geographic location of each of the plurality of radar intensity images comprises: applying one or more of the following calibration offsets to increase image sharpness: an azimuthal alignment error (α) corresponding to an angular offset between a heading recorded by a navigation unit installed on the vessel and a true heading of the vessel; a start range error (β) corresponding to an error in a distance from an antenna to a data processing unit of the radar apparatus for a first range bin in the plurality of radar intensity images; and/or a system time error (γ) corresponding to a total time delay resulting from a time delay due to communication of data between the radar apparatus and the data processing unit and/or a computer-induced time stamp delay between a true image recording time and an image time-stamp; and generating one or more time-integrated images of the surface of the body of water.