一種快速的二維高分辨波達(dá)方向估計(jì)方法混合波達(dá)方向矩陣法
A FAST METHOD OF TWO-DOMENSIONAL HIGH-RESOLUTION DOA ESTIMATION-MIXED DOA MATRIX METHOD
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摘要: 本文利用兩個(gè)具有位移特性的二維傳感器子陣列信息構(gòu)成一種新的矩陣混合波達(dá)方向矩陣?；旌喜ㄟ_(dá)方向矩陣的特征值和特征矢量分別為信號(hào)源方位角與高低角的混合方向元素和方位角與高低角的混合方向矢量。合理選擇子陣列構(gòu)造可以解決兼并信號(hào)源分辨問(wèn)題和降低陣列孔徑損失。
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關(guān)鍵詞:
- 陣列信號(hào)處理; 波達(dá)方向估計(jì); 混合波達(dá)方向矩陣
Abstract: A new type matrix-mixed DOA matrix is formed with the information of two identical translation subarrays. When there exsit displacements along X and Y axes, the nonzero eigenvalues and eigenvectors are mixed direction elements and vectors. Generally, the method can solve the sources come from the same DOA with auto-pairing and has lesser loss of the array aperture. -
Schmidt R. IEEE Trans. on AP, 1986, AP-34(3): 276-280.[2]吳仁彪.電子科學(xué)學(xué)刊,1993, 15(5): 458-465.[3]殷勤業(yè),鄒理和,Newcomb R W.通信學(xué)報(bào),1991, 12(4):1-7.[4][4][5]Yin Q, Newcomb R, Zou L. Estimation of 2-D[6]Angles-of-Arrival for Coherrent Signals, in Proc.ICCAS-89, Nanjing, China: July 1989, 541-544.[7]Swindlehurst A, Kailath T. IEEE Trans. on AES, 1993, ASE-29(1): 145-155. -
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