Inspec keywords: antenna feeds; loop antennas; substrate integrated waveguides; antenna radiation patterns; polarisation; linear antenna arrays

Other keywords: 8-element linear array; slotted SIW feed; uniform distribution; multilayer bidirectional circularly-polarised loop linear array; CP radiation pattern; radiating element; bidirectional CP wave; back-to-back mirror rotated resonant unit; identical right-hand CP wave; slotted substrate integrated waveguide feed

Subjects: Antenna arrays; Single antennas; Antenna accessories; Waveguides and microwave transmission lines