Orbital-Angular-Momentum-Based ISAR Imaging at Terahertz Frequencies
The electromagnetic (EM) wave carrying orbital angular momentum (OAM) is usually named vortex EM wave, which has been found great potential to improve the target imaging performance. For conventional ISAR imaging, only 2-D target image can be obtained. In this paper, the OAM-based ISAR technique is...
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| Veröffentlicht in: | IEEE sensors journal 2018-11, Vol.18 (22), p.9230-9235 |
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| creator | Jiang, Yanwen Liu, Kang Wang, Hongqiang Deng, Bin Zhuang, Zhaowen |
| description | The electromagnetic (EM) wave carrying orbital angular momentum (OAM) is usually named vortex EM wave, which has been found great potential to improve the target imaging performance. For conventional ISAR imaging, only 2-D target image can be obtained. In this paper, the OAM-based ISAR technique is developed to achieve 3-D target image with high resolution at terahertz frequencies. First, the imaging model is derived, and the point spread function is analyzed. Subsequently, two imaging algorithms, namely the FFT-based imaging method and the imaging method based on convolution backprojection and power spectrum density estimation, are proposed. Simulation results validate the effectiveness of the proposed methods and indicate that the high-resolution cross-range profile can still be obtained at terahertz frequencies with small rotational angle. This paper can provide a novel manner to realize 3-D imaging of universal targets with high resolution. |
| doi_str_mv | 10.1109/JSEN.2018.2869047 |
| format | Article |
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For conventional ISAR imaging, only 2-D target image can be obtained. In this paper, the OAM-based ISAR technique is developed to achieve 3-D target image with high resolution at terahertz frequencies. First, the imaging model is derived, and the point spread function is analyzed. Subsequently, two imaging algorithms, namely the FFT-based imaging method and the imaging method based on convolution backprojection and power spectrum density estimation, are proposed. Simulation results validate the effectiveness of the proposed methods and indicate that the high-resolution cross-range profile can still be obtained at terahertz frequencies with small rotational angle. 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(IEEE) 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-791dfab26caf826b4d52f5deeca76f3129c4a9c8d11039a256d916c2e4371ecd3</citedby><cites>FETCH-LOGICAL-c293t-791dfab26caf826b4d52f5deeca76f3129c4a9c8d11039a256d916c2e4371ecd3</cites><orcidid>0000-0003-1536-2605 ; 0000-0002-2522-9552 ; 0000-0002-0289-3469 ; 0000-0003-3678-9659</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8456582$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27929,27930,54763</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8456582$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Jiang, Yanwen</creatorcontrib><creatorcontrib>Liu, Kang</creatorcontrib><creatorcontrib>Wang, Hongqiang</creatorcontrib><creatorcontrib>Deng, Bin</creatorcontrib><creatorcontrib>Zhuang, Zhaowen</creatorcontrib><title>Orbital-Angular-Momentum-Based ISAR Imaging at Terahertz Frequencies</title><title>IEEE sensors journal</title><addtitle>JSEN</addtitle><description>The electromagnetic (EM) wave carrying orbital angular momentum (OAM) is usually named vortex EM wave, which has been found great potential to improve the target imaging performance. For conventional ISAR imaging, only 2-D target image can be obtained. In this paper, the OAM-based ISAR technique is developed to achieve 3-D target image with high resolution at terahertz frequencies. First, the imaging model is derived, and the point spread function is analyzed. Subsequently, two imaging algorithms, namely the FFT-based imaging method and the imaging method based on convolution backprojection and power spectrum density estimation, are proposed. Simulation results validate the effectiveness of the proposed methods and indicate that the high-resolution cross-range profile can still be obtained at terahertz frequencies with small rotational angle. This paper can provide a novel manner to realize 3-D imaging of universal targets with high resolution.</description><subject>Angular momentum</subject><subject>Computer simulation</subject><subject>Convolution</subject><subject>Estimation</subject><subject>High resolution</subject><subject>Image resolution</subject><subject>Imaging</subject><subject>OAM-based ISAR</subject><subject>Orbital angular momentum</subject><subject>Point spread functions</subject><subject>Radar imaging</subject><subject>Scattering</subject><subject>Signal resolution</subject><subject>Target recognition</subject><subject>Terahertz frequencies</subject><subject>terahertz radar</subject><subject>three-dimensional imaging</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1OwzAQhC0EEqXwAIhLJM4u_okd-1hKC0WFSrRI3CzX3pRUTQJ2coCnJ1ErTruHmZ2dD6FrSkaUEn33vJq-jhihasSU1CTNTtCACqEwzVJ12u-c4JRnH-foIsYdIVRnIhugh2XYFI3d43G1bfc24Je6hKppS3xvI_hkvhq_JfPSbotqm9gmWUOwnxCa32QW4LuFyhUQL9FZbvcRro5ziN5n0_XkCS-Wj_PJeIEd07zBmaY-txsmnc0Vk5vUC5YLD-BsJnNOmXap1U75rhHXlgnpNZWOQfc3Bef5EN0e7n6FusuOjdnVbai6SMMok6nkogsaInpQuVDHGCA3X6EobfgxlJgelulhmR6WOcLqPDcHTwEA_3qVCikU439qC2U7</recordid><startdate>20181115</startdate><enddate>20181115</enddate><creator>Jiang, Yanwen</creator><creator>Liu, Kang</creator><creator>Wang, Hongqiang</creator><creator>Deng, Bin</creator><creator>Zhuang, Zhaowen</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/0000-0003-1536-2605</orcidid><orcidid>https://orcid.org/0000-0002-2522-9552</orcidid><orcidid>https://orcid.org/0000-0002-0289-3469</orcidid><orcidid>https://orcid.org/0000-0003-3678-9659</orcidid></search><sort><creationdate>20181115</creationdate><title>Orbital-Angular-Momentum-Based ISAR Imaging at Terahertz Frequencies</title><author>Jiang, Yanwen ; Liu, Kang ; Wang, Hongqiang ; Deng, Bin ; Zhuang, Zhaowen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-791dfab26caf826b4d52f5deeca76f3129c4a9c8d11039a256d916c2e4371ecd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Angular momentum</topic><topic>Computer simulation</topic><topic>Convolution</topic><topic>Estimation</topic><topic>High resolution</topic><topic>Image resolution</topic><topic>Imaging</topic><topic>OAM-based ISAR</topic><topic>Orbital angular momentum</topic><topic>Point spread functions</topic><topic>Radar imaging</topic><topic>Scattering</topic><topic>Signal resolution</topic><topic>Target recognition</topic><topic>Terahertz frequencies</topic><topic>terahertz radar</topic><topic>three-dimensional imaging</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jiang, Yanwen</creatorcontrib><creatorcontrib>Liu, Kang</creatorcontrib><creatorcontrib>Wang, Hongqiang</creatorcontrib><creatorcontrib>Deng, Bin</creatorcontrib><creatorcontrib>Zhuang, Zhaowen</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 sensors journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jiang, Yanwen</au><au>Liu, Kang</au><au>Wang, Hongqiang</au><au>Deng, Bin</au><au>Zhuang, Zhaowen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Orbital-Angular-Momentum-Based ISAR Imaging at Terahertz Frequencies</atitle><jtitle>IEEE sensors journal</jtitle><stitle>JSEN</stitle><date>2018-11-15</date><risdate>2018</risdate><volume>18</volume><issue>22</issue><spage>9230</spage><epage>9235</epage><pages>9230-9235</pages><issn>1530-437X</issn><eissn>1558-1748</eissn><coden>ISJEAZ</coden><abstract>The electromagnetic (EM) wave carrying orbital angular momentum (OAM) is usually named vortex EM wave, which has been found great potential to improve the target imaging performance. For conventional ISAR imaging, only 2-D target image can be obtained. In this paper, the OAM-based ISAR technique is developed to achieve 3-D target image with high resolution at terahertz frequencies. First, the imaging model is derived, and the point spread function is analyzed. Subsequently, two imaging algorithms, namely the FFT-based imaging method and the imaging method based on convolution backprojection and power spectrum density estimation, are proposed. Simulation results validate the effectiveness of the proposed methods and indicate that the high-resolution cross-range profile can still be obtained at terahertz frequencies with small rotational angle. This paper can provide a novel manner to realize 3-D imaging of universal targets with high resolution.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JSEN.2018.2869047</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-1536-2605</orcidid><orcidid>https://orcid.org/0000-0002-2522-9552</orcidid><orcidid>https://orcid.org/0000-0002-0289-3469</orcidid><orcidid>https://orcid.org/0000-0003-3678-9659</orcidid></addata></record> |
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| subjects | Angular momentum Computer simulation Convolution Estimation High resolution Image resolution Imaging OAM-based ISAR Orbital angular momentum Point spread functions Radar imaging Scattering Signal resolution Target recognition Terahertz frequencies terahertz radar three-dimensional imaging |
| title | Orbital-Angular-Momentum-Based ISAR Imaging at Terahertz Frequencies |
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