Nor Salehah Binti Muklas, Sharul Kamal Abdul Rahim, Norhudah Seman. Ultra wideband coupler design for Butler Matrix application. In IEEE 17th Asia-Pacific Conference on Communications, APCC 2011, Sabah, Malaysia, October 2-5, 2011. pages 506-511, IEEE, 2011. [doi]
Abstract is missing.