H01Q13/00
Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H01Q13/00
Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H01Q13/18
the slot being backed by, or formed in boundary wall of, a resonant cavity; ; Open cavity antennas
H01Q13/18
the slot being backed by, or formed in boundary wall of, a resonant cavity; ; Open cavity antennas