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- W2765252023 abstract "We present a design for a dual-band slotted cavity antenna with its bands having orthogonal polarizations in a shared aperture. The design and its simulated performance is presented at X-band, which is typical of many satellite radar applications, such as MDA's pending RADARSAT synthetic aperture constellation. The presented antenna comprises a 2×2 array of crossed-slots which have unequal arm lengths, cut on a rectangular metallic cavity and fed by a crossed waveguide feed. This design demonstrates (by simulation) an impedance bandwidth close to 10% for both frequency bands with an overall isolation between the ports better than 30dB. A directivity of 12 dBi was obtained in both polarizations, which corresponds to aperture efficiencies of 73% and 46% for the lower and higher frequency bands respectively. This antenna can be considered as a sub-array for larger array realizations." @default.
- W2765252023 created "2017-11-10" @default.
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- W2765252023 date "2017-07-01" @default.
- W2765252023 modified "2023-09-28" @default.
- W2765252023 title "A dual-band dual-polarization antenna using unequal crossed slots on metallic cavity" @default.
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- W2765252023 doi "https://doi.org/10.1109/apusncursinrsm.2017.8073303" @default.
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