Efficient 3D imaging method of MIMO radar for moving target
When compressive sensing (CS) was used to achieve sparse imaging of moving targets,the Doppler frequency caused by motion will increase the processing dimension,change the center frequency of echo and worsen the mutual coherence property of measurement matrix.In order to improve the three-dimensiona...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2019-07-01
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| Series: | Tongxin xuebao |
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| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2019140/ |
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| _version_ | 1850095827921403904 |
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| author | Wei WANG Ziying HU Jia’nan YUE |
| author_facet | Wei WANG Ziying HU Jia’nan YUE |
| author_sort | Wei WANG |
| collection | DOAJ |
| description | When compressive sensing (CS) was used to achieve sparse imaging of moving targets,the Doppler frequency caused by motion will increase the processing dimension,change the center frequency of echo and worsen the mutual coherence property of measurement matrix.In order to improve the three-dimensional (3D) imaging performance of MIMO radar for moving targets,an efficient method was proposed.In each dimension,the distribution information of targets was searched respectively and a new low-dimensional measurement matrix was reconstructed accordingly,so the targets’ area was narrowed down.At the same time,in order to optimize the mutual coherence property of measurement matrix,Bayesian method was used to optimize the velocity-dimensional projection matrix to reduce the strong mutual coherence brought by sampling of Doppler frequency,then the efficient sparse imaging could be achieved.The simulation results show that proposed method can improve the efficiency,accurate imaging performance with efficient. |
| format | Article |
| id | doaj-art-72ffae4e64ad42339dde65bbb383fe49 |
| institution | DOAJ |
| issn | 1000-436X |
| language | zho |
| publishDate | 2019-07-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-72ffae4e64ad42339dde65bbb383fe492025-08-20T02:41:21ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2019-07-0140384759728145Efficient 3D imaging method of MIMO radar for moving targetWei WANGZiying HUJia’nan YUEWhen compressive sensing (CS) was used to achieve sparse imaging of moving targets,the Doppler frequency caused by motion will increase the processing dimension,change the center frequency of echo and worsen the mutual coherence property of measurement matrix.In order to improve the three-dimensional (3D) imaging performance of MIMO radar for moving targets,an efficient method was proposed.In each dimension,the distribution information of targets was searched respectively and a new low-dimensional measurement matrix was reconstructed accordingly,so the targets’ area was narrowed down.At the same time,in order to optimize the mutual coherence property of measurement matrix,Bayesian method was used to optimize the velocity-dimensional projection matrix to reduce the strong mutual coherence brought by sampling of Doppler frequency,then the efficient sparse imaging could be achieved.The simulation results show that proposed method can improve the efficiency,accurate imaging performance with efficient.http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2019140/MIMO radarmoving targetDoppler frequencythree-dimensional imagingmethod efficiency |
| spellingShingle | Wei WANG Ziying HU Jia’nan YUE Efficient 3D imaging method of MIMO radar for moving target Tongxin xuebao MIMO radar moving target Doppler frequency three-dimensional imaging method efficiency |
| title | Efficient 3D imaging method of MIMO radar for moving target |
| title_full | Efficient 3D imaging method of MIMO radar for moving target |
| title_fullStr | Efficient 3D imaging method of MIMO radar for moving target |
| title_full_unstemmed | Efficient 3D imaging method of MIMO radar for moving target |
| title_short | Efficient 3D imaging method of MIMO radar for moving target |
| title_sort | efficient 3d imaging method of mimo radar for moving target |
| topic | MIMO radar moving target Doppler frequency three-dimensional imaging method efficiency |
| url | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2019140/ |
| work_keys_str_mv | AT weiwang efficient3dimagingmethodofmimoradarformovingtarget AT ziyinghu efficient3dimagingmethodofmimoradarformovingtarget AT jiananyue efficient3dimagingmethodofmimoradarformovingtarget |