NulaCOCA¹¹¹²⁴⁵BNC¹²⁶⁴¹⁶⁺⁴ 基本例句 努拉¹⁰⁰ In this paper, DOA is estimated with non- uniform linear antenna array NULA instead of ULA, so as to achieve a much larger aperture with the same amount of antenna elements. 本文采用阵元间距不等的非均匀线阵代替均匀线阵进行测向，从而在相同阵元数的前提下得到更大的孔径。 cnki