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Flowfield-dependent variant method for moving-boundary problems
Published 2014Get full text
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Multiband antenna for portable device applications
Published 2015“…The proposed antenna consists of a combination of E-shaped and C-shaped radiators that are excited via a common microstrip feed-line. Embedded in the ground-plane are included an open- and short-ended slots whose purpose is to enhance the antenna's impedance match and increase the number of bands in which the antenna can operate. …”
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224
A compact triple-notch band ultra-wideband antenna
Published 2019“…Two slots on the radiating patch and a copper trace on the ground plane of the antenna were introduced to reject the WiMAX, WLAN and SHF frequency bands. …”
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Quasi-elliptic ultra-wideband bandpass filter with super-wide stopband
Published 2019“…This paper describes a low-loss and compact planar ultra-wideband (UWB) quasi-elliptical bandpass filter, which is based on a via-free multimode resonator (MMR) that requires no defected ground plane. The MMR structure essentially consists of a step impedance transmission-line resonator that is loaded centrally with a folded open-circuited stub. …”
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228
Beam-scanning leaky-wave antenna based on CRLH-metamaterial for millimeter-wave applications
Published 2019“…The proposed LWA design is based on composite right/left-handed transmission-line (CRLH-TL) concept. The single layer antenna structure includes a matrix of 3×9 square slots that is printed on top of the dielectric substrate; and printed on the bottom ground-plane are Π and T-shaped slots that enhance the impedance bandwidth and radiation properties of the antenna. …”
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229
Surface wave reduction in antenna arrays using metasurface inclusion for MIMO and SAR systems
Published 2019“…Each arm of the cross-shaped structure constituting the metasurface is etched with meander-line slot (MLS). Effectiveness of the metasurface is demonstrated for a 2×2 antenna array that operates over six frequency sub-bands in X, Ku and K-bands. …”
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230
Nanoparticle-coated Vivaldi antenna array for gain enhancement
Published 2023“…The peak measured gain of the array is 7.49 dBi at 177 degrees in the E-plane and its sidelobes are 10 dB below the peak gain. …”
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231
Wear characteristics of Fe-C-Si and Fe-C-Al cast irons
Published 2011“…In the present study, wear behavior of the Fe-C-Si and Fe-C-Al cast irons were investigated using a pin-on-disk type apparatus at room temperature. …”
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232
Biomechanical evaluation and new improvement on ankle external fixator
Published 2023Get full text
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A novel printed antenna for ultrawideband RFID (UWB-RFID) tag
Published 2010“…To avoid the effect of the metals that may exist below the partial ground plane, the antenna is designed using a foam layer below the partial ground plane and a full ground plane below the foam layer at the bottom of the structure. …”
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Low-loss paper-substrate triple-band-frequency reconfigurable microstrip antenna for sub-7 GHz applications
Published 2023“…In this paper, a low-cost resin-coated commercial-photo-paper substrate is used to design a printed reconfigurable multiband antenna. The two PIN diodes are used mainly to redistribute the surface current that provides reconfigurable properties to the proposed antenna. …”
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A new framework of feature engineering for machine learning in financial fraud detection
Published 2020Get full text
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High-gain metasurface in polyimide on-chip antenna based on CRLH-TL for sub-terahertz integrated circuits
Published 2020“…Concentric dielectric-rings are etched in the ground-plane under the radiation patches implemented on the top-layer. …”
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Reconfigurable phased microstrip antenna array with defected ground structure and defected microstrip structure for beam steering application
Published 2018“…The results showed close agreement with the predicted results, where array with DGS confirmed a beam steering of 36° along H-plane, while SAA with DMS displayed 45° beam steering along E-plane, respectively. …”
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Design technique to mitigate unwanted coupling in densely packed radiating elements of an antenna array for electronic devices and wireless communication systems operating in the m...
Published 2023“…Rows of radiators are demarcated by a horizontal microstrip transmission-line whose ends are short-circuited to the ground-plane. …”
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