Dual-Polarized Wide-Angle Scanning Phased Array Based on Mutimode Patch Elements

摘要

In this letter, we report the results of an investigation of multimode microstrip patch resonators and their applications for designing dual-polarized wide-angle scanning phased arrays. The proposed multimode patch element can provide broadside (TM01 or TM10 modes) and monopole-like (TM21 mode) patterns which are combined to obtain a joint wide-beam coverage in both xoz and yoz planes. By interactively selecting these modes, the formed 8 x 8 planar phased array can scan its main beam from -64 degrees to+ 64 degrees in the two orthogonal planes. Measured results validate some notable features, such as the dual-plane wide-angle scan with the same polarization and high realized gain with low sidelobe levels.