Abstract：The gain and phase error calibration for Linear Equi-spaced Arrays (LEA) is considered in this paper. The analysis of the covariance matrix perturbation along different diagonal lines due to finite snapshot is first considered, and an apparent formula for the variance of the gain and phase perturbations along different diagonal lines is derived. This result reveals that the statistics analyses of the perturbation along different diagonal lines are different. Based on this analytic result, it is found out that the optimal gain and phase error calibration methods are respectively based on main diagonal line and the first upper diagonal line. Computer simulation results verified the analyses.
李有明; 王让定; 文化峰 . 均匀直线阵幅相误差校正的扰动分析及最优化算法[J]. 电子与信息学报, 2007, 29(7): 1653-1656 .
Li You-ming; Wang Rang-ding; Wen Hua-feng. Perturbation Analysis of Gain and Phase Error Calibration for Uniform Linear Array with Optimal Algorithms. , 2007, 29(7): 1653-1656 .
2007, Vol. 29 
