简介:Theperformanceofadaptivebeamformingtechniquesislimitedbythenonhomogeneouscluttersce-nario.AnaugmentedKrylovsubspacemethodisproposed,whichutilizesonlyasinglesnapshotofthedataforadaptiveprocessing.ThenovelalgorithmputstogetheradatapreprocessorandadaptiveKrylovsubspacealgo-rithm,wherethedatapreprocessorsuppressesdiscreteinterferenceandtheadaptiveKrylovsubspacealgorithmsuppresseshomogeneousclutter.Thenovelmethodusesasinglesnapshotofthedatareceivedbythearrayantennatogenerateacancellationmatrixthatdoesnotcontainthesignalofinterest(SOI)component,thus,itmitigatestheproblemofhighlynonstationaryclutterenvironmentandithelpstooperateinreal-time.Thebenefitofnotrequiringthetrainingdatacomesatthecostofareduceddegreeoffreedom(DOF)ofthesystem.Simulationillus-tratestheeffectivenessincluttersuppressionandadaptivebeamforming.Thenumericresultsshowgoodagreementwiththeproposedtheorem.
简介:【摘要】潭村小学位于《三字经》作者——区适子故里,是《三字经》启蒙教育基地。学校充分利用这一得天独厚的优势,结合本土文化特色构建学校“适子教育”的办学理念,开展富有潭小特色的“适子经典诵读”课程,在课程开展和研究过程中构建起以“适子校园”为主,家庭、社区相融合、线上线下相结合的丰富、立体、多元的情境诵读空间,从而拓宽“适子经典”文化传承之路,达到弘扬国学经典,促进本土文化传承与发展,润泽每一位潭小学子童心的同时让每一位孩子肩负弘扬中国传统文化的责任与担当。
简介:研究复射影空间的拟共形平坦Kaehler完备子流形得到局部结构与关于数量曲率的拼挤常数.