Even though the effects of the gauss noises are considered, they still reach good synchronization. 即使存在一定的高斯噪声影响，两个激光器仍然能够达到较好的同步。
We can estimate two-dimensional spatial spectra of sources in colour Guassian noises by eigen-decomposing the matrix. 对四阶累量混合波达方向矩阵进行特征分解，可实现有色高斯噪声背景中空域信号二维空间谱估计。
