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基于空间立体阵及坐标原点处阵元接一延时器的阵列结构和四阶累积量 ,提出了一种宽频段内多个空间窄带信号频率和全方位角 ,即方位角范围 [0 ,2π]、信号与 z轴夹角 [0 ,π]的三维参数可分离估计方法。该方法采用配对特征向量寻找配对特征值 ,从而实现空间信号三维参数的分离和配对 ,且该方法具有对阵列流形不敏感的特点。计算机仿真实验表明了这种方法的有效性。
Based on the array structure and the fourth-order cumulant of array element delay element array at the origin of the coordinate system and space coordinate, a frequency and omnidirectional azimuth of multiple narrow-band space signals in a wide frequency band are proposed, namely azimuth range [0, 2π ], The signal and the z-axis angle [0, π] three-dimensional parameter separable estimation method. The method uses the matching feature vector to find the matching eigenvalues, so as to realize the separation and matching of the three-dimensional parameters of the spatial signal, and the method is insensitive to the array manifold. Computer simulation experiments show the effectiveness of this method.