Efficient computation of array factor and sidelobe level of linear arrays

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dc.contributor.author Du Plessis, W.P. (Warren Paul)
dc.date.accessioned 2017-01-23T07:02:58Z
dc.date.available 2017-01-23T07:02:58Z
dc.date.issued 2016-12
dc.description.abstract The implementation of code to efficiently compute the array factor and sidelobe level (SLL) of linear antenna arrays in MATLAB and GNU Octave is considered. The use of a fast Fourier transform (FFT) to compute the array factor is shown to be more efficient than other approaches. The automatic determination of the sidelobe region as a necessary step to computing the SLL is addressed. A number of codeoptimsation techniques in MATLAB and Octave are evaluated, including vectorisation, memory allocation and the use of built-in functions. Finally, an efficient function which can be used for the computation of the array factor and SLL of linear arrays in MATLAB and Octave is presented. en_ZA
dc.description.department Electrical, Electronic and Computer Engineering en_ZA
dc.description.librarian hb2017 en_ZA
dc.description.sponsorship This work is based on the research supported in part by the National Research Foundation (NRF) of South Africa (grant-specific unique reference number 85845). en_ZA
dc.description.uri http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=74 en_ZA
dc.identifier.citation Du Plessis, WP 2016, 'Efficient computation of array factor and sidelobe level of linear arrays', IEEE Antennas and Propagation Magazine, vol. 58, no. 6, Art# 7763887, pp. 102-114. en_ZA
dc.identifier.issn 1045-9243 (print)
dc.identifier.issn 1558-4143 (online)
dc.identifier.other 10.1109/MAP.2016.2609802
dc.identifier.uri http://hdl.handle.net/2263/58590
dc.language.iso en en_ZA
dc.publisher Institute of Electrical and Electronics Engineers en_ZA
dc.rights © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists of any copyrighted components of this work in other works. en_ZA
dc.subject Linear arrays en_ZA
dc.subject Antenna radiation patterns en_ZA
dc.subject Software libraries en_ZA
dc.subject Sidelobe level (SLL) en_ZA
dc.subject Ant-colony optimisation (ACO) en_ZA
dc.subject Covariance matrix adaptation evolutionary strategy (CMA-ES) en_ZA
dc.subject Central processing unit (CPU) en_ZA
dc.subject Discrete Fourier transform (DFT) en_ZA
dc.subject Fast Fourier transform (FFT) en_ZA
dc.subject Genetic algorithm (GA) en_ZA
dc.subject Particle swarm optimization (PSO) en_ZA
dc.subject Simulated annealing (SA) en_ZA
dc.title Efficient computation of array factor and sidelobe level of linear arrays en_ZA
dc.type Postprint Article en_ZA


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