Failure Diagnosis of a Uniform Linear Array in the Presence of Mutual Coupling

This letter addresses the problem of array failure diagnosis for a uniform linear array in the presence of mutual coupling. The excitation coefficients are found by sparse finding algorithm, and the estimation of mutual admittance matrix is facilitated by its symmetric Toeplitz structure. Because th...

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Veröffentlicht in:	IEEE antennas and wireless propagation letters 2015-01, Vol.14, p.1010-1013
Hauptverfasser:	Zhang, Ying, Zhao, Huapeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Admittance Alternating optimization Antennas Arrays failure diagnosis Mutual coupling Signal to noise ratio sparse Symmetric matrices Toeplitz structure
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creator	Zhang, Ying Zhao, Huapeng
description	This letter addresses the problem of array failure diagnosis for a uniform linear array in the presence of mutual coupling. The excitation coefficients are found by sparse finding algorithm, and the estimation of mutual admittance matrix is facilitated by its symmetric Toeplitz structure. Because the excitation coefficients and mutual admittance matrix are dependent unknowns, an alternating optimization method is proposed to compute the two set of unknowns. Simulations show that the proposed method outperforms existing method when mutual admittance matrix is unavailable.
doi_str_mv	10.1109/LAWP.2015.2389894
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The excitation coefficients are found by sparse finding algorithm, and the estimation of mutual admittance matrix is facilitated by its symmetric Toeplitz structure. Because the excitation coefficients and mutual admittance matrix are dependent unknowns, an alternating optimization method is proposed to compute the two set of unknowns. 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The excitation coefficients are found by sparse finding algorithm, and the estimation of mutual admittance matrix is facilitated by its symmetric Toeplitz structure. Because the excitation coefficients and mutual admittance matrix are dependent unknowns, an alternating optimization method is proposed to compute the two set of unknowns. Simulations show that the proposed method outperforms existing method when mutual admittance matrix is unavailable.</description><subject>Admittance</subject><subject>Alternating optimization</subject><subject>Antennas</subject><subject>Arrays</subject><subject>failure diagnosis</subject><subject>Mutual coupling</subject><subject>Signal to noise ratio</subject><subject>sparse</subject><subject>Symmetric matrices</subject><subject>Toeplitz structure</subject><issn>1536-1225</issn><issn>1548-5757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kLFOwzAURS0EEqXwAYjFP5DiZ8eJPVaFAlKADkWM0Uv6XIzSpLKToX9Po1ZM9w733OEwdg9iBiDsYzH_Xs2kAD2Tylhj0ws2AZ2aROc6vxy7yhKQUl-zmxh_hYA802rCPpbomyEQf_K4bbvoI-8cR_7VeteFHS98Sxj4PAQ8cN_y_of4KlCktqZx-T70AzZ80Q37xrfbW3blsIl0d84pWy-f14vXpPh8eVvMi6SWme4TrAU4a12qFNTGGEXmGMpKidagtVhXttqg1FUlAatcOMhhIxxVmUSp1JTB6bYOXYyBXLkPfofhUIIoRx_l6KMcfZRnH0fm4cR4Ivrf50KkRoL6A0PfXCQ</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Zhang, Ying</creator><creator>Zhao, Huapeng</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20150101</creationdate><title>Failure Diagnosis of a Uniform Linear Array in the Presence of Mutual Coupling</title><author>Zhang, Ying ; Zhao, Huapeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c265t-ac01f99f4331c8883e8c883922a98a99acb9bda25bb21ab70f171d0feb62a233</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Admittance</topic><topic>Alternating optimization</topic><topic>Antennas</topic><topic>Arrays</topic><topic>failure diagnosis</topic><topic>Mutual coupling</topic><topic>Signal to noise ratio</topic><topic>sparse</topic><topic>Symmetric matrices</topic><topic>Toeplitz structure</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Ying</creatorcontrib><creatorcontrib>Zhao, Huapeng</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE antennas and wireless propagation letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhang, Ying</au><au>Zhao, Huapeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Failure Diagnosis of a Uniform Linear Array in the Presence of Mutual Coupling</atitle><jtitle>IEEE antennas and wireless propagation letters</jtitle><stitle>LAWP</stitle><date>2015-01-01</date><risdate>2015</risdate><volume>14</volume><spage>1010</spage><epage>1013</epage><pages>1010-1013</pages><issn>1536-1225</issn><eissn>1548-5757</eissn><coden>IAWPA7</coden><abstract><;Please reduce paper to 4 pages or agree to the extra page charge.> This letter addresses the problem of array failure diagnosis for a uniform linear array in the presence of mutual coupling. The excitation coefficients are found by sparse finding algorithm, and the estimation of mutual admittance matrix is facilitated by its symmetric Toeplitz structure. Because the excitation coefficients and mutual admittance matrix are dependent unknowns, an alternating optimization method is proposed to compute the two set of unknowns. Simulations show that the proposed method outperforms existing method when mutual admittance matrix is unavailable.</abstract><pub>IEEE</pub><doi>10.1109/LAWP.2015.2389894</doi><tpages>4</tpages></addata></record>
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subjects	Admittance Alternating optimization Antennas Arrays failure diagnosis Mutual coupling Signal to noise ratio sparse Symmetric matrices Toeplitz structure
title	Failure Diagnosis of a Uniform Linear Array in the Presence of Mutual Coupling
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