Efficient Frequency-invariant Beam Pattern Synthesis with Multiple Space-frequency Nulls

Chen, L; Liu, Y; Guo, YJ

Efficient Frequency-invariant Beam Pattern Synthesis with Multiple Space-frequency Nulls

Chen, L Liu, Y

Guo, YJ

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Publisher:: IEEE
Publication Type:: Conference Proceeding
Citation:: 2019 IEEE International Conference on Computational Electromagnetics, ICCEM 2019 - Proceedings, 2019
Issue Date:: 2019-03-01

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Field	Value	Language
dc.contributor.author	Chen, L
dc.contributor.author	Liu, Y https://orcid.org/0000-0001-5466-0184
dc.contributor.author	Guo, YJ
dc.date	2019-03-20
dc.date.accessioned	2020-06-12T07:14:16Z
dc.date.available	2020-06-12T07:14:16Z
dc.date.issued	2019-03-01
dc.identifier.citation	2019 IEEE International Conference on Computational Electromagnetics, ICCEM 2019 - Proceedings, 2019
dc.identifier.isbn	9781538671115
dc.identifier.uri	http://hdl.handle.net/10453/141386
dc.description.abstract	© 2019 IEEE. This paper presents a modified Fourier transform method to synthesize a broadband array with frequency-invariant (FI) mainlobe and multiple space-frequency nulls. In this method, a iterative Fourier transform is used to design multiple optimized reference patterns which have the same mainlobe shape but with different sidelobe or null distributions. These reference patterns are used for describing different radiation requirements in different sub-bands of the whole frequency band. Then, a desired broadband spatial spectral distribution can be obtained by matching it to each reference pattern at each sub-band, and a broadband excitation distribution for generating the desired FI pattern can be efficiently found by performing an inverse fast Fourier transform (IFFT) on the broadband spatial spectral distribution. An example for synthesizing a FI beam pattern with two space-frequency nulls is provided to verify the effectiveness and efficiency of the proposed method.
dc.language	en
dc.publisher	IEEE
dc.relation.ispartof	2019 IEEE International Conference on Computational Electromagnetics, ICCEM 2019 - Proceedings
dc.relation.ispartof	IEEE International Conference on Computational Electromagnetics
dc.relation.isbasedon	10.1109/COMPEM.2019.8778889
dc.rights	© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Efficient Frequency-invariant Beam Pattern Synthesis with Multiple Space-frequency Nulls
dc.type	Conference Proceeding
utslib.location.activity	Shanghai, China
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2020-06-12T07:14:12Z
pubs.finish-date	2019-03-22
pubs.place-of-publication	Piscataway, USA
pubs.publication-status	Published
pubs.start-date	2019-03-20
dc.location	Piscataway, USA

Abstract:

© 2019 IEEE. This paper presents a modified Fourier transform method to synthesize a broadband array with frequency-invariant (FI) mainlobe and multiple space-frequency nulls. In this method, a iterative Fourier transform is used to design multiple optimized reference patterns which have the same mainlobe shape but with different sidelobe or null distributions. These reference patterns are used for describing different radiation requirements in different sub-bands of the whole frequency band. Then, a desired broadband spatial spectral distribution can be obtained by matching it to each reference pattern at each sub-band, and a broadband excitation distribution for generating the desired FI pattern can be efficiently found by performing an inverse fast Fourier transform (IFFT) on the broadband spatial spectral distribution. An example for synthesizing a FI beam pattern with two space-frequency nulls is provided to verify the effectiveness and efficiency of the proposed method.

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http://hdl.handle.net/10453/141386