In high-frequency surface wave radar (HFSWR) systems. clutter is a common phenomenon that causes objects to be submerged. Space-time adaptive processing (STAP). which uses two-dimensional data to increase the degrees of freedom. https://kuuadbeuuvl4.dsiblogger.com/67921372/the-study-of-geomagnetic-jerk-from-2010-to-2021-based-on-hourly-mean-data-from-global-geomagnetic-observatories