ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,895, issued on April 22, was assigned to Aerospace Information Research Institute, Chinese Academy of Sciences (Beijing).

"Azimuth ambiguity suppression method for spaceborne SAR in spatially non-uniform sampling" was invented by Yu Wang (Beijing), ZhiYuan Xue (Beijing), Liang Li (Beijing), YongHua Cai (Beijing), Bo Li (Beijing), YiJiang Nan (Beijing) and PingPing Lu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An azimuth ambiguity suppression method for a spaceborne SAR in spatially non-uniform sampling relates to the technical field of radars. The method includes the following steps: step 1: compensating for a phase difference between th...