ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,486, issued on Nov. 18.
"Wave spectrum calculation method based on GNSS wave measuring buoy" was invented by Fangli Qiao (Qingdao, China), Shumin Jiang (Qingdao, China), Chen Xue (Qingdao, China), Jingsong Guo (Qingdao, China), Yanfeng Wang (Qingdao, China) and Yanxiong Liu (Qingdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wave spectrum calculation method based on GNSS wave measuring buoy is provided, which includes: placing GNSS drift buoys in the sea, collecting buoy position data; then obtaining three-dimensional velocity data of ocean waves; performing high pass filtering on velocity data of a sliding window to remove noise signal...