电子信息对抗技术
電子信息對抗技術
전자신식대항기술
ELECTRONIC INFORMATION WARFARE TECHNOLOGY
2014年
6期
46-50
,共5页
空时自适应处理%阵列测向%时间平滑%空时谱分辨率
空時自適應處理%陣列測嚮%時間平滑%空時譜分辨率
공시자괄응처리%진렬측향%시간평활%공시보분변솔
space-time adaptive processing(STAP)%direction of array(DOA)%time sliding%space-time-sparta resolution
提出了一种基于空时自适应处理( STAP)的阵列信号测向算法，与常规的空间域阵列信号处理相比，该方法由于联合了空间-时间维进行处理，增大了系统自由度，从而提高了处理信号增益以及空时谱分辨率，并且能够在不需要预先精确获得信号频率的前提下获得信号的波达方向估计( DOA)。仿真实验结果验证了该方法的有效性。
提齣瞭一種基于空時自適應處理( STAP)的陣列信號測嚮算法，與常規的空間域陣列信號處理相比，該方法由于聯閤瞭空間-時間維進行處理，增大瞭繫統自由度，從而提高瞭處理信號增益以及空時譜分辨率，併且能夠在不需要預先精確穫得信號頻率的前提下穫得信號的波達方嚮估計( DOA)。倣真實驗結果驗證瞭該方法的有效性。
제출료일충기우공시자괄응처리( STAP)적진렬신호측향산법，여상규적공간역진렬신호처리상비，해방법유우연합료공간-시간유진행처리，증대료계통자유도，종이제고료처리신호증익이급공시보분변솔，병차능구재불수요예선정학획득신호빈솔적전제하획득신호적파체방향고계( DOA)。방진실험결과험증료해방법적유효성。
A method based on space-time adaptive processing ( STAP ) for direction of array ( DOA) is proposed. The Data samples are achieved by time sliding operations, and the DOA is got by space-time adaptive processing method. Compared with the conventional methods, the system liberty is improved with the proposed method by combining temporal and spatial informa-tion. As a result, the space-time-sparta resolution and the gain of the signal processing can be improved better, mean while, the DOA result could be obtained without knowing the frequency of the signal. The simulation results show validity of the method.
