Cheng Zhang, Anyong Qing, and Yang Meng. “The Application of Chirp Z-Transform in Fast Computation of Antenna Array Pattern”. Applied Computational Electromagnetics Society Journal (ACES), vol. 34, no. 11, Nov. 2019, pp. 1685-93, https://journals.riverpublishers.com/index.php/ACES/article/view/8109.