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This paper introduces a single-feed dual-band antenna for an anti-jam global positioning system array. The antenna is composed of a circularly polarized (CP) crossed scythe-shaped dipole over a finite artificial magnetic conductor (AMC) reflector. The dual-band operation is obtained by utilizing the original band generated by the radiator and an additional band caused by surface waves propagating...
This paper presents single-feed circularly polarized (CP) crossed dipole antennas on finite-sized artificial magnetic conductor (AMC) surfaces that show profile miniaturization and bandwidth enhancement. The antennas include a singleband radiator on a single-band AMC, a tri-band radiator on a single-band AMC, and a dual-band radiator on a dual-band AMC. The presence of the finite AMC surface results...
A dual-band, low-profile, circularly polarized antenna on an artificial magnetic conductor (AMC) is introduced in this letter. The antenna employs a single feed and two crossed asymmetric dipoles as the primary radiating elements. In order to achieve a low profile and broadband characteristics in terms of impedance matching and 3-dB axial-ratio (AR) bandwidths at both bands, a dual-band AMC is utilized...
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