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A broadband printed angled-dipole array antenna is presented in this communication. The printed two-element dipole array is fed by an adjustable integrated balun to maintain the broadband performance. The measured results show that the proposed antenna achieves 39.5% of banwidth, and stable radiation pattern with a peak gain of 4.42dBi–6.33dBi over the operating band. With the proper 45°angle of dipole...
A novel millimeter wave monopulse slotted waveguide array antenna with a central hole for infrared sensor use is presented. The amplitude distribution is optimized, and a monopulse comparator is designed to feed the proposed array. This millimeter wave array antenna has been fabricated and measured. The gain of the sum beam is higher than 32dB, whereas the zero depth of the difference beam is lower...
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...
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