Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array
The estimation of the direction of arrival of two-dimensional space signals is the key problem in the field of array antennas.Although the traditional two-dimensional MUSIC algorithm has high precision,it needs two dimensional spectrum peak search and has a large amount of operation.A two-dimensiona...
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| Format: | Article |
| Language: | zho |
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Beijing Xintong Media Co., Ltd
2018-07-01
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| Series: | Dianxin kexue |
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| Online Access: | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2018208/ |
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| _version_ | 1841530384342319104 |
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| author | Xiu WANG Qing CHANG Yaoli WANG |
| author_facet | Xiu WANG Qing CHANG Yaoli WANG |
| author_sort | Xiu WANG |
| collection | DOAJ |
| description | The estimation of the direction of arrival of two-dimensional space signals is the key problem in the field of array antennas.Although the traditional two-dimensional MUSIC algorithm has high precision,it needs two dimensional spectrum peak search and has a large amount of operation.A two-dimensional DOA estimation algorithm for L-shaped array was proposed.The output matrix was transformed from a complex value matrix to a real value matrix by matrix reconstruction and a unitary transformation matrix.This method could directly get the elevation angle of the target without conversion,which greatly reduced the amount of operation.Compared with the matrix enhancement and matrix pencil algorithm for L-shaped array,this algorithm could estimate more targets’DOA.The results of simulation show that the algorithm has a high accuracy of DOA estimation. |
| format | Article |
| id | doaj-art-8707a525c92e4a67944b513ede1770f6 |
| institution | Kabale University |
| issn | 1000-0801 |
| language | zho |
| publishDate | 2018-07-01 |
| publisher | Beijing Xintong Media Co., Ltd |
| record_format | Article |
| series | Dianxin kexue |
| spelling | doaj-art-8707a525c92e4a67944b513ede1770f62025-01-15T03:04:29ZzhoBeijing Xintong Media Co., LtdDianxin kexue1000-08012018-07-013411011759594987Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped arrayXiu WANGQing CHANGYaoli WANGThe estimation of the direction of arrival of two-dimensional space signals is the key problem in the field of array antennas.Although the traditional two-dimensional MUSIC algorithm has high precision,it needs two dimensional spectrum peak search and has a large amount of operation.A two-dimensional DOA estimation algorithm for L-shaped array was proposed.The output matrix was transformed from a complex value matrix to a real value matrix by matrix reconstruction and a unitary transformation matrix.This method could directly get the elevation angle of the target without conversion,which greatly reduced the amount of operation.Compared with the matrix enhancement and matrix pencil algorithm for L-shaped array,this algorithm could estimate more targets’DOA.The results of simulation show that the algorithm has a high accuracy of DOA estimation.http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2018208/direction of arrivalL-shaped arrayunitary transformation matrixeigenvaluematrix enhancement and |
| spellingShingle | Xiu WANG Qing CHANG Yaoli WANG Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array Dianxin kexue direction of arrival L-shaped array unitary transformation matrix eigenvalue matrix enhancement and |
| title | Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array |
| title_full | Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array |
| title_fullStr | Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array |
| title_full_unstemmed | Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array |
| title_short | Two-dimensional DOA estimation of unitary transformation matrix reconstruction based on L-shaped array |
| title_sort | two dimensional doa estimation of unitary transformation matrix reconstruction based on l shaped array |
| topic | direction of arrival L-shaped array unitary transformation matrix eigenvalue matrix enhancement and |
| url | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2018208/ |
| work_keys_str_mv | AT xiuwang twodimensionaldoaestimationofunitarytransformationmatrixreconstructionbasedonlshapedarray AT qingchang twodimensionaldoaestimationofunitarytransformationmatrixreconstructionbasedonlshapedarray AT yaoliwang twodimensionaldoaestimationofunitarytransformationmatrixreconstructionbasedonlshapedarray |