Robust ionospheric clutter mitisation method for hish frequency surface wave radar
This paper analyzes the characteristics of ionospheric clutter, which has proven to be the greatest impediment in high frequency surface wave radar （HFSWR）. Ionospheric clutter influences most range bins, all Doppler bins and beams, and exhibits a high directivity. A robust adaptive side-lobe cancel...
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| Veröffentlicht in: | Science in China. Series F, Information sciences Information sciences, 2008, Vol.51 (12), p.2087-2093 |
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| container_issue | 12 |
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| container_title | Science in China. Series F, Information sciences |
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| creator | LI Lei XU RongQing LI GaoPeng |
| description | This paper analyzes the characteristics of ionospheric clutter, which has proven to be the greatest impediment in high frequency surface wave radar （HFSWR）. Ionospheric clutter influences most range bins, all Doppler bins and beams, and exhibits a high directivity. A robust adaptive side-lobe cancellation algorithm based on orthogonal auxiliary beams, which use the difference beams to estimate the ionospheric clutter information, is introduced to suppress the ionospheric clutter. Training data was selected by excluding the sea clutter and probable target unit; and diagonal loading was added to enhance the robustness of the algorithm. Experimental results demonstrate that the algorithm is able to suppress the ionospheric clutter whilst preserving the desired characteristics of the target echoes and is suitable for practical implementation. |
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Ionospheric clutter influences most range bins, all Doppler bins and beams, and exhibits a high directivity. A robust adaptive side-lobe cancellation algorithm based on orthogonal auxiliary beams, which use the difference beams to estimate the ionospheric clutter information, is introduced to suppress the ionospheric clutter. Training data was selected by excluding the sea clutter and probable target unit; and diagonal loading was added to enhance the robustness of the algorithm. Experimental results demonstrate that the algorithm is able to suppress the ionospheric clutter whilst preserving the desired characteristics of the target echoes and is suitable for practical implementation.</description><identifier>ISSN: 1009-2757</identifier><identifier>EISSN: 1862-2836</identifier><language>eng</language><subject>HFSWR ; 对角装载 ; 电离杂波 ; 自适信号程序 ; 辅助光束</subject><ispartof>Science in China. 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A robust adaptive side-lobe cancellation algorithm based on orthogonal auxiliary beams, which use the difference beams to estimate the ionospheric clutter information, is introduced to suppress the ionospheric clutter. Training data was selected by excluding the sea clutter and probable target unit; and diagonal loading was added to enhance the robustness of the algorithm. Experimental results demonstrate that the algorithm is able to suppress the ionospheric clutter whilst preserving the desired characteristics of the target echoes and is suitable for practical implementation.</description><subject>HFSWR</subject><subject>对角装载</subject><subject>电离杂波</subject><subject>自适信号程序</subject><subject>辅助光束</subject><issn>1009-2757</issn><issn>1862-2836</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNiksOgjAUABujifi5w4t7klLktzYa18Q9KeWVVoFKWzTeXhYewNVMMrMgQZSnLGR5nC5np7QIWZZka7Jx7k7pkbE4CkhZmnpyHrQZjHsqtFqA6Cbv0UKvvXbczwl69Mo0II0FpZ0CaXGccBAfcJOVXCC8-QvB8obbHVlJ3jnc_7glh8v5drqGQpmhHfXQVjUXD6k7rFhBszRKaPzX9AX5LUEe</recordid><startdate>2008</startdate><enddate>2008</enddate><creator>LI Lei XU RongQing LI GaoPeng</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope></search><sort><creationdate>2008</creationdate><title>Robust ionospheric clutter mitisation method for hish frequency surface wave radar</title><author>LI Lei XU RongQing LI GaoPeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-chongqing_backfile_290761503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>HFSWR</topic><topic>对角装载</topic><topic>电离杂波</topic><topic>自适信号程序</topic><topic>辅助光束</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LI Lei XU RongQing LI GaoPeng</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><jtitle>Science in China. Series F, Information sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LI Lei XU RongQing LI GaoPeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Robust ionospheric clutter mitisation method for hish frequency surface wave radar</atitle><jtitle>Science in China. Series F, Information sciences</jtitle><addtitle>Science in China(Series F)</addtitle><date>2008</date><risdate>2008</risdate><volume>51</volume><issue>12</issue><spage>2087</spage><epage>2093</epage><pages>2087-2093</pages><issn>1009-2757</issn><eissn>1862-2836</eissn><abstract>This paper analyzes the characteristics of ionospheric clutter, which has proven to be the greatest impediment in high frequency surface wave radar （HFSWR）. Ionospheric clutter influences most range bins, all Doppler bins and beams, and exhibits a high directivity. A robust adaptive side-lobe cancellation algorithm based on orthogonal auxiliary beams, which use the difference beams to estimate the ionospheric clutter information, is introduced to suppress the ionospheric clutter. Training data was selected by excluding the sea clutter and probable target unit; and diagonal loading was added to enhance the robustness of the algorithm. Experimental results demonstrate that the algorithm is able to suppress the ionospheric clutter whilst preserving the desired characteristics of the target echoes and is suitable for practical implementation.</abstract></addata></record> |
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| identifier | ISSN: 1009-2757 |
| ispartof | Science in China. Series F, Information sciences, 2008, Vol.51 (12), p.2087-2093 |
| issn | 1009-2757 1862-2836 |
| language | eng |
| recordid | cdi_chongqing_backfile_29076150 |
| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | HFSWR 对角装载 电离杂波 自适信号程序 辅助光束 |
| title | Robust ionospheric clutter mitisation method for hish frequency surface wave radar |
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