Dual Ground Plane Stripline Fed Microstrip Antennas

摘要

This report describes microstrip antenna systems having two ground planes spaced apart by a dielectric substrate and radiating elements complanar with one of the two ground planes, or sandwiched within the dielectric substrate separating the two ground planes adjacent a window in one of the ground planes. The two ground planes are shorted together in most instances, and the dual ground plane system provides a reduction in the leakage losses of transmission lines feeding and/or interconnecting the microstrip antenna radiating elements. The dual ground plane system also provides a reduction in coupling between arrayed radiation elements as well as an increase in bandwidth, in some instances. This is a Division of Application Serial No. 837,058 filed 28 September 1977. (Author)