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讨论了一种主要针对机载宽频段雷达侦察接收机（工作频率为２～１８ＧＨｚ）的宽带天线阵列阵元间距配置方案及相应的空间信号到达角（ＤＯＡ）解模糊算法。文中以具有最小冗余度的一维非均匀线阵为例，给出了可以实现信号到达角解模糊的天线阵元间距配置的一个必要条件，并通过一个简化的一维整数搜索算法实现了信号到达角的无模糊估计。本文所述方法，很容易直接推广于二维阵列情况进行空间信号二维到达角的无模糊估计。数值模拟结果证实了该方案的有效性
A broadband array antenna spacing configuration scheme and corresponding spatial signal arrival angle (DOA) ambiguity algorithm are mainly discussed for airborne wideband radar reconnaissance receivers (operating frequency 2 ~ 18GHz). Taking a one-dimensional inhomogeneous linear array with minimum redundancy as an example, a necessary condition for the antenna element spacing configuration which can realize the ambiguity of signal arrival is given. A simplified one-dimensional integer search algorithm is implemented Unambiguous estimation of signal arrival angle. In this paper, it is easy to directly promote the unambiguous estimation of the two-dimensional angle of arrival of a spatial signal in a two-dimensional array. Numerical simulation results confirm the effectiveness of this scheme