Design expression for first null beam width of broadside Dolph Chebyshev antenna array

Tamal Das,Archit Ghosh,Soumyo Chatterjee,Sayan Chatterjee

doi:10.1109/c3it.2015.7060124

Design expression for first null beam width of broadside Dolph Chebyshev antenna array

Tamal Das, Archit Ghosh + Show 2 more

https://doi.org/10.1109/c3it.2015.7060124

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Publication Date: Feb 1, 2015

Citations: 5

Affiliation: Jadavpur University

#First Null Beam Width #Null Beam Width + Show 8 more

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Abstract

This paper strives to postulate a design expression for the first null beam width (FNBW) of Dolph Chebyshev linear antenna array which facilitates the angular resolution analysis of main beam. The formula for FNBW has been deduced by observing variation of FNBW with required side lobe ratio. Variation of FNBW with inter-element spacing for different array configurations has also been taken in to consideration. FNBW value obtained using the proposed formula has been compared with that of FNBW value obtained from the array factor plot proving its effectiveness.

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