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A novel dual-polarized dielectric resonator antenna fed by bowtie-shaped slots is investigated, which exhibits high isolation of greater than about 40dB with a broad bandwidth of wider than 26%. Its measured maximum gain is 6.65dB with a gain variation of 1.25dB over the bandwidth. Its good polarization purity and broadside radiation patterns are also confirmed.
A high-efficiency microstrip-fed angled-dipole antenna has been developed. The printed dipole with an integrated balun features a broad operating bandwidth. The simulation of the antenna show that 7.4–10.5GHz band with VSWR less than 2 is obtained, and gain is more than 4.8dB. With choosing the proper dipole arms angle and with a radome, we can get the widest E-plane and H-plane beamwidth. Comparing...
A new slotted rectangular waveguide array antenna is introduced, which is constructed on the conformal cylindrical surface. Unlike other slotted waveguide arrays, this array has a beam with a large tilt angle from the broadside of the linear array. The array consists of a waveguide with inclined slots cutting in the narrow wall and a matching load at one end for the traveling wave operation. The antenna...
A novel microstrip slot antenna backed by a ground plane with a U-shaped feed is presented. Based on the simulation, its impedance bandwidth for VSWRs ≤ 2 covers the range of 5.3 to 18.5 GHz, whose relative bandwidth reaches 110.9%. In addition, the good gain performance is achieved. These features make it an attractive canditate for a compact portable terminal in the personal, mobile satellite and...
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