This paper provides a new design of IFF(Identification between Friend or Foe) antenna based on monopole element for planar array antenna system, where the center frequency is f 0 with 9.5% bandwidth. The antenna is of maximal gain 4dB at the center frequency, 3dB beamwidth of 100° in E-plane (phi=90deg) and 152° in Eplane (phi=0deg). In antenna design, compactness and stability of the presented antenna are considered firstly, which are very important in practical airborne environment. Furthermore, one of the most excellent achievements is of low altitude with height less than 0.16 , sheet substrate with thickness 2.032mm extremely and can be embedded in planar array with narrow slot.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.