WENXING LI; YU ZHAO; QIUBO YE; SI LI. A Null Broadening Beamforming Approach Based on Covariance Matrix Expansion. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 32, n. 02, p. 128–134, 2021. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/9733. Acesso em: 1 jun. 2026.