Polarimetric Synthetic Aperture Radar Imaging With Radially Polarized Antennas
A polarimetric 3-D synthetic aperture radar (SAR) imaging method using a radially polarized antenna is described. The advantages of the radially polarized antenna, mainly that polarimetric SAR imaging can be performed without requiring additional measurements compared to traditional SAR, are discuss...
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| Veröffentlicht in: | IEEE transactions on instrumentation and measurement 2020-12, Vol.69 (12), p.9866-9879 |
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| container_title | IEEE transactions on instrumentation and measurement |
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| creator | Dvorsky, Matthew Qaseer, Mohammad Tayeb Al Zoughi, Reza |
| description | A polarimetric 3-D synthetic aperture radar (SAR) imaging method using a radially polarized antenna is described. The advantages of the radially polarized antenna, mainly that polarimetric SAR imaging can be performed without requiring additional measurements compared to traditional SAR, are discussed. A general target model is developed that includes information about target orientation and degree of polarization (i.e., how well and in what direction the target polarizes a signal). Image reconstruction algorithms were developed to allow polarimetric imaging to be performed with radially polarized antenna imaging data, enabling the estimation of target orientation and degree of polarization. The effect of scan step size and scan aperture size is studied on the accuracy of the estimation of these parameters, and guidelines were established as to the proper step size and scan aperture size to be used to keep estimation error below a specific threshold. Subsequently, a radially polarized antenna was designed, fabricated, and used to image several samples containing various types of point targets, by which the capability of this technique to enable accurate estimation of target orientation and degree of polarization is successfully demonstrated. |
| doi_str_mv | 10.1109/TIM.2020.3002443 |
| format | Article |
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The advantages of the radially polarized antenna, mainly that polarimetric SAR imaging can be performed without requiring additional measurements compared to traditional SAR, are discussed. A general target model is developed that includes information about target orientation and degree of polarization (i.e., how well and in what direction the target polarizes a signal). Image reconstruction algorithms were developed to allow polarimetric imaging to be performed with radially polarized antenna imaging data, enabling the estimation of target orientation and degree of polarization. The effect of scan step size and scan aperture size is studied on the accuracy of the estimation of these parameters, and guidelines were established as to the proper step size and scan aperture size to be used to keep estimation error below a specific threshold. 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The advantages of the radially polarized antenna, mainly that polarimetric SAR imaging can be performed without requiring additional measurements compared to traditional SAR, are discussed. A general target model is developed that includes information about target orientation and degree of polarization (i.e., how well and in what direction the target polarizes a signal). Image reconstruction algorithms were developed to allow polarimetric imaging to be performed with radially polarized antenna imaging data, enabling the estimation of target orientation and degree of polarization. The effect of scan step size and scan aperture size is studied on the accuracy of the estimation of these parameters, and guidelines were established as to the proper step size and scan aperture size to be used to keep estimation error below a specific threshold. Subsequently, a radially polarized antenna was designed, fabricated, and used to image several samples containing various types of point targets, by which the capability of this technique to enable accurate estimation of target orientation and degree of polarization is successfully demonstrated.</description><subject>Algorithms</subject><subject>Antenna design</subject><subject>Antenna measurements</subject><subject>Antennas</subject><subject>Electric fields</subject><subject>Image reconstruction</subject><subject>Microwave imaging</subject><subject>microwave polarimetry</subject><subject>Orientation</subject><subject>Parameter estimation</subject><subject>Polarization</subject><subject>Radar imaging</subject><subject>Radar polarimetry</subject><subject>radially polarized synthetic aperture radar (SAR)</subject><subject>Reflection coefficient</subject><subject>Reflectivity</subject><subject>Syntheiic aperture radar</subject><subject>Synthetic aperture radar</subject><subject>Target recognition</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtLw0AQhxdRsFbvgpeA59TZzT4yx1J8BOoDLXhctsmkTUmTutke6l9vSoqnGYbfN8N8jN1ymHAO-LDIXicCBEwSACFlcsZGXCkTo9binI0AeBqjVPqSXXXdBgCMlmbE3j7a2vlqS8FXefR1aMKaQt9Nd-TD3lP06Qrno2zrVlWzir6rsD6OKlfXh2hgf6mIpk2gpnHdNbsoXd3RzamO2eLpcTF7iefvz9lsOo9zgTzEEowocw2QS4GoMAVlSp4uhZJaUqG5cIQpCkGFMkbiMkdHBapkmaAzOhmz-2Htzrc_e-qC3bR73_QXrZAauEIJ0KdgSOW-7TpPpd31nzp_sBzsUZrtpdmjNHuS1iN3A1IR0X8cuVBoTPIHdbNm9g</recordid><startdate>20201201</startdate><enddate>20201201</enddate><creator>Dvorsky, Matthew</creator><creator>Qaseer, Mohammad Tayeb Al</creator><creator>Zoughi, Reza</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-7522-092X</orcidid><orcidid>https://orcid.org/0000-0001-6003-5078</orcidid><orcidid>https://orcid.org/0000-0001-9421-1551</orcidid></search><sort><creationdate>20201201</creationdate><title>Polarimetric Synthetic Aperture Radar Imaging With Radially Polarized Antennas</title><author>Dvorsky, Matthew ; Qaseer, Mohammad Tayeb Al ; Zoughi, Reza</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-4072fc600c4299598057f18b25464ed612ae98922ed57749bc9aed953b39a763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Algorithms</topic><topic>Antenna design</topic><topic>Antenna measurements</topic><topic>Antennas</topic><topic>Electric fields</topic><topic>Image reconstruction</topic><topic>Microwave imaging</topic><topic>microwave polarimetry</topic><topic>Orientation</topic><topic>Parameter estimation</topic><topic>Polarization</topic><topic>Radar imaging</topic><topic>Radar polarimetry</topic><topic>radially polarized synthetic aperture radar (SAR)</topic><topic>Reflection coefficient</topic><topic>Reflectivity</topic><topic>Syntheiic aperture radar</topic><topic>Synthetic aperture radar</topic><topic>Target recognition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dvorsky, Matthew</creatorcontrib><creatorcontrib>Qaseer, Mohammad Tayeb Al</creatorcontrib><creatorcontrib>Zoughi, Reza</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><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on instrumentation and measurement</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Dvorsky, Matthew</au><au>Qaseer, Mohammad Tayeb Al</au><au>Zoughi, Reza</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polarimetric Synthetic Aperture Radar Imaging With Radially Polarized Antennas</atitle><jtitle>IEEE transactions on instrumentation and measurement</jtitle><stitle>TIM</stitle><date>2020-12-01</date><risdate>2020</risdate><volume>69</volume><issue>12</issue><spage>9866</spage><epage>9879</epage><pages>9866-9879</pages><issn>0018-9456</issn><eissn>1557-9662</eissn><coden>IEIMAO</coden><abstract>A polarimetric 3-D synthetic aperture radar (SAR) imaging method using a radially polarized antenna is described. The advantages of the radially polarized antenna, mainly that polarimetric SAR imaging can be performed without requiring additional measurements compared to traditional SAR, are discussed. A general target model is developed that includes information about target orientation and degree of polarization (i.e., how well and in what direction the target polarizes a signal). Image reconstruction algorithms were developed to allow polarimetric imaging to be performed with radially polarized antenna imaging data, enabling the estimation of target orientation and degree of polarization. The effect of scan step size and scan aperture size is studied on the accuracy of the estimation of these parameters, and guidelines were established as to the proper step size and scan aperture size to be used to keep estimation error below a specific threshold. 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| ispartof | IEEE transactions on instrumentation and measurement, 2020-12, Vol.69 (12), p.9866-9879 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Antenna design Antenna measurements Antennas Electric fields Image reconstruction Microwave imaging microwave polarimetry Orientation Parameter estimation Polarization Radar imaging Radar polarimetry radially polarized synthetic aperture radar (SAR) Reflection coefficient Reflectivity Syntheiic aperture radar Synthetic aperture radar Target recognition |
| title | Polarimetric Synthetic Aperture Radar Imaging With Radially Polarized Antennas |
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