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Ultra-wideband antenna array design for target detection

In this paper, a four-element microstrip antenna array is presented. The array is composed of Wilkinson power dividers which act as feed network along with Dolph-Chebyshev distribution and four-identical patch antenna elements. The array elements are properly designed to have a compact size and cons...

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Bibliographic Details
Main Authors: Kasi B., Chakrabarty C.K.
Other Authors: 54417372300
Format: Article
Published: 2023
Subjects:
Antenna arrays
Frequency dividing circuits
Microstrip antennas
Voltage dividers
Array elements
Compact size
Constant gain
Feed networks
Measured results
Patch antenna
Peak gain
Side lobes
Simulated results
Ultra-wideband antenna arrays
Wilkinson power dividers
Ultra-wideband (UWB)
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Description
Summary:In this paper, a four-element microstrip antenna array is presented. The array is composed of Wilkinson power dividers which act as feed network along with Dolph-Chebyshev distribution and four-identical patch antenna elements. The array elements are properly designed to have a compact size and constant gain against frequency. The simulated results show good agreement with the measured results for the fabricated antenna array. Measurement shows that the array has a peak gain of more than 12dBi with side-lobe level of -15 dB at 6 GHz. These characteristics make the antenna array suitable for UWB directional uses.

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