Abstract:In the situation of sample pollution, nulls would be formed in the expected direction, which results a great decrease in the signal-to-interference-noise ratio. And in the situation of limited snapshots, the given white noise exists in the form of color noise, so that there would be an increase in the distortion of adaptive beamforming. Based on these, an adaptive method is presented in this paper by analyzing the eigenvalues of sampling covariance matrix. This method is equivalent to interfering the sampling covariance matrix in order to improve the performance and robustness of beamforming. Finally, performance analysis and computer simulation demonstrate the feasibility and effectiveness of this method.
刘桂瑜; 廖桂生; 陶海红. 一种样本污染且快拍数有限情况下的稳健的波束形成方法[J]. 电子与信息学报, 2009, 31(1): 192-195 .
Liu Gui-yu; Liao Gui-sheng; Tao Hai-hong. A Robust Beamforming Method in the Situation of Sample Pollution and Limited Snapshots. , 2009, 31(1): 192-195 .