A Tapered Slot Antenna with Asymmetric Corrugations for a Microwave Brain Imaging System
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چکیده
منابع مشابه
Compact Elliptically Tapered Slot Antenna with Non- uniform Corrugations for Ultra-wideband Applications
A small size elliptically tapered slot antenna (ETSA) fed by coplanar waveguide (CPW) for ultra-wideband (UWB) applications is proposed. It is printed on an FR4 substrate and occupies a size of 37×34×0.8 mm. A pair of quarter circular shapes is etched on the radiator to reduce the size. To overcome the limitation of uniform corrugation, non-uniform corrugation is utilized to reduce the cross-po...
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A tapered coplanar waveguide (CPW) transition is proposed in order to facilitate the connection between a slot antenna and coaxial connector. The broadband bow-tie slot antenna is considered as an example in this design. The tapered transition is utilized to optimize the connection of two 50 CPW lines with different widths. A narrow CPW line is connected to the slot-antenna feed point and the w...
متن کاملAntipodal Dual Exponentially Tapered Slot Antenna (DETSA) with Stepped Edge Corrugations for Front-to-back Ratio Improvement
We investigate the effect of stepped edge corrugations on the front-to-back ratio (F/B ratio) improvement for the antipodal DETSA. Three types of corrugation configurations with different combinations of slit length are investigated. The results revealed that the improvement in F/B ratio is directly related to the arrangement in corrugation configurations.
متن کاملLinear Tapered Slot Antenna with Defected Side for Improved Gain
Linear tapered slot antennas (LTSAs) have been widely investigated as typical examples of coplanar antennas because the LTSAs offer the advantages of wide impedance bandwidth, high gain, and easy fabrication [1], [2]. However, they have high back lobes in the E-plane [3]. In general, the LTSAs are very sensitive to the thickness and the width of their supporting substrate. It is shown that radi...
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In this paper, a miniaturized coplanar waveguide fed (CPW-fed) tapered slot antenna (TSA) is introduced for breast cancer detection. Here, a modified CPW to slot-line transition structure with an air-bridge is employed to broaden the transition bandwidth and increase the radiation efficiency. Through these applied modifications, negative features of the original TSA (limitation of transition) a...
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ژورنال
عنوان ژورنال: The Journal of Korean Institute of Electromagnetic Engineering and Science
سال: 2013
ISSN: 1226-3133
DOI: 10.5515/kjkiees.2013.24.3.348