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Bibliographic record number: 529110

Journal

Authors: Rupčić, Slavko; Mandrić, Vanja; Žagar, Drago
Title: Reduction of Sidelobes by Nonuniform Elements Spacing of a Spherical Antenna Array
Source: Radioengineering, Proceedings of Czech and Slovak Technical Universities and URSI Committees (1210-2512) 20 (2011); 299-306
Paper type: article
Keywords: Radiation pattern; spherical array; sidelobe level reduction; uniform and nonuniform distribution of antenna elements
Abstract:
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.
Project / theme: 165-0362027-1479, 165-0361630-1636
Original language: ENG
Citation databases: Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Category: Znanstveni
Research fields:
Electrical engineering
URL cjelovitog rada:
Google Scholar: Reduction of Sidelobes by Nonuniform Elements Spacing of a Spherical Antenna Array
Contrib. to CROSBI by: vmandric@etfos.hr (vmandric@etfos.hr), 6. Lis. 2011. u 13:45 sati



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