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Reduction of Sidelobes by Nonuniform Elements Spacing of a Spherical Antenna Array (CROSBI ID 174652)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Rupčić, Slavko ; Mandrić, Vanja ; Žagar, Drago Reduction of Sidelobes by Nonuniform Elements Spacing of a Spherical Antenna Array // Radioengineering, 20 (2011), 299-306

Podaci o odgovornosti

Rupčić, Slavko ; Mandrić, Vanja ; Žagar, Drago

engleski

Reduction of Sidelobes by Nonuniform Elements Spacing of a Spherical Antenna Array

This paper presents a significant sidelobe reduction if is used nonuniform elevational spacing of antenna elements on the sphere. Antenna elements are progressively phased with a uniform amplitude excitation. The calculation of the required element position is presented. The achieved sidelobe level reduction with unequally spaced arrays could reach even more than 20 dB difference with regard to the first significant sidelobe level of equally spaced arrays. By this method, arrays have the ability to produce the desired radiation pattern and could satisfy requirements for many applications.

Radiation pattern; spherical array; sidelobe level reduction; uniform and nonuniform distribution of antenna elements

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Podaci o izdanju

20

2011.

299-306

objavljeno

1210-2512

Povezanost rada

Elektrotehnika

Indeksiranost