%0 Journal Article
%T DIRECTION FINDING FOR CORRELATED WIDE-BAND SOURCES<br>未知噪声中相关宽带源的方向估计
%A Li Pingan
%A Xu Jiadong
%A Tong Mingan
%A <br>李平安
%A 许家栋
%A 佟明安
%J 电子与信息学报
%D 1999
%I 
%X In this paper, theoretical analyses and simulations are carried out to show that there are signal cancellation phenomena in the DED method proposed by Kumar (1996) for wide-band array processing in unknown noise, and new method is suggested to perform direction of arrival (DOA) estimation in unknown noise. In the new method, a wide-band focusing technique without initial estimate of the DOAs is employed, and the frequency-direction ambiguity in wide-band processing is avoided. Monte Carlo tests are carried out for comparing the performance of the new method with that of the DED method.
%K Array signal processing
%K High-resolution DOA estimation
%K Wide-band signal
%K Unknown noise<br>阵列信号处理
%K 高分辨方向估计
%K 宽带信号
%K 未知噪声
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=B3AD2EB0BDB1ACA79754CDC2633B5224&yid=B914830F5B1D1078&vid=659D3B06EBF534A7&iid=CA4FD0336C81A37A&sid=58F693790F887B3B&eid=B0EBA60720995721&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=6