Results 201 to 210 of about 16,742 (248)
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Wideband textile slot antenna array
2013 IEEE Antennas and Propagation Society International Symposium (APSURSI), 2013Wideband textile slot antennas have been developed with high precision. The antennas are composed of three textile layers: the top and bottom are conducting layers and are precisely defined by a laser cutting machine, while the third layer is a textile dielectric layer and sandwiched between these two conducting layers.
Stephen Holland +2 more
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IETE Journal of Research, 1981
Planar antennas employing printed circuit techniques are ideally suited for aircraft, spacecraft and mobile-land applications. Keeping these in view, a 12×4-element planar array antenna has been developed. The antenna has a power gain of 19 dB. It has a half power beamwidth of 6° in the H-plane and 20° in the E-plane.
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Planar antennas employing printed circuit techniques are ideally suited for aircraft, spacecraft and mobile-land applications. Keeping these in view, a 12×4-element planar array antenna has been developed. The antenna has a power gain of 19 dB. It has a half power beamwidth of 6° in the H-plane and 20° in the E-plane.
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Omnidirectional Slotted-Waveguide Array Antenna
29th European Microwave Conference, 1999, 1999An omnidirectional antenna consisting of a waveguide mode transducer and a slotted-wave-guide array has been developed for communication applications at millimeter-wave frequencies.
Wilfried Grabherr, Bernhard Huder
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Series-slotted waveguide array antennas
Proceedings of the IEEE, 1963Waveguide arrays with slots in the broad face use either longitudinal shunt slots displaced from the centerline or inclined series slots on the centerline. Despite the established popularity of the shunt-displaced slot, a case can be made for the superiority of the series-inclined slot.
J. Ramsay, B. Popovich
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Waveguide slot array antenna with corner reflector array
2013 International Workshop on Microwave and Millimeter Wave Circuits and System Technology, 2013A waveguide slot array antenna with corner reflector array of high performance for a microwave radar system at 10 GHz frequency band is presented. The waveguide, the slot array and the corner reflector array are located together on the cover plate of the antenna, which makes the antenna highly efficient.
null Yi Zheng, null Shaojun Chen
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Low profile tapered slot array antenna
2010 IEEE Antennas and Propagation Society International Symposium, 2010The paper presents a new design of a wideband low profile tapered slot array antenna. To achieve a low profile, a novel low-profile balun with a pair of cavities was invented. The new balun allows a planar power divider to be tightly integrated with array. The overall depth of the array is about 0.48λ at the lowest operating frequency.
null Jian Lu +2 more
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Design of a Slot Antenna Array Using Array-antenna Decoupling Surface
2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), 2019A decoupling method for a slot antenna array is proposed in this paper. The array-antenna decoupling surface (ADS), which consists of partial reflection metal patches, is designed to reduce the mutual coupling among antenna elements. A prototype of a four elements slot antenna array using ADS is demonstrated.
Jie Chen +3 more
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Coaxially Fed Annular Slot Array Antenna
IEEE Transactions on Antennas and Propagation, 2008Radiation from a cavity-backed annular slot array antenna fed by a coaxial probe is studied. The Hankel transform and mode-matching techniques are utilized to obtain a solution in convergent series. A prototype antenna was fabricated and its characteristics were measured at C-band to verify the accuracy of our approach.
Kim, JH, Eom, HJ Eom, Hyo Joon
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Bifocal Planar Slotted-Waveguide Antenna Array
Journal of Communications Technology and Electronics, 2019Abstract—A bifocal planar two-layer slotted-waveguide antenna array, consisting of a planar waveguide with one or several feed elements and an array of dielectric-filled rectangular metal waveguides with paired longitudinal slots in their wide walls has been proposed and investigated.
V. A. Kaloshin +2 more
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Conformal Microstrip Slot Antenna and Antenna Array.
1986Abstract : This final report covers the investigation of two microstrip antenna types, the microstrip slot radiator and the microstrip dual folded dipole. The slot dipole is a wide bandwidth (20%), low efficiency (20%) radiator suitable for use in for use in serial slot arrays, and is subject to beam steering with frequency.
William Whistler +2 more
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