Measurement matrix optimization and mismatch problem compensation for dlsla 3-d sar cross-track reconstruction
文献类型：期刊论文
| 作者 | Bao, Qian1,2; Jiang, Chenglong1,2; Lin, Yun1; Tan, Weixian3; Wang, Zhirui4; Hong, Wen1 |
| 刊名 | Sensors
 |
| 出版日期 | 2016-08-01 |
| 卷号 | 16期号:8页码:16 |
| 关键词 | Dlsla 3-d sar Measurement matrix optimization Mutual coherence Measurement matrix mismatch Sparse bayesian inference |
| ISSN号 | 1424-8220 |
| DOI | 10.3390/s16081333 |
| 通讯作者 | Bao, qian(baoqiancherry@163.com) |
| 英文摘要 | With a short linear array configured in the cross-track direction, downward looking sparse linear array three-dimensional synthetic aperture radar (dlsla 3-d sar) can obtain the 3-d image of an imaging scene. to improve the cross-track resolution, sparse recovery methods have been investigated in recent years. in the compressive sensing (cs) framework, the reconstruction performance depends on the property of measurement matrix. this paper concerns the technique to optimize the measurement matrix and deal with the mismatch problem of measurement matrix caused by the off-grid scatterers. in the model of cross-track reconstruction, the measurement matrix is mainly affected by the configuration of antenna phase centers (apc), thus, two mutual coherence based criteria are proposed to optimize the configuration of apcs. on the other hand, to compensate the mismatch problem of the measurement matrix, the sparse bayesian inference based method is introduced into the cross-track reconstruction by jointly estimate the scatterers and the off-grid error. experiments demonstrate the performance of the proposed apcs' configuration schemes and the proposed cross-track reconstruction method. |
| WOS关键词 | LINEAR-ARRAY ; SPARSE ; RECOVERY ; PURSUIT |
| WOS研究方向 | Chemistry ; Electrochemistry ; Instruments & Instrumentation |
| WOS类目 | Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation |
| 语种 | 英语 |
| WOS记录号 | WOS:000382323200009 |
| 出版者 | MDPI AG |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2375641 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Bao, Qian |
| 作者单位 | 1.Chinese Acad Sci, Inst Elect, Sci & Technol Microwave Imaging Lab, Beijing 100190, Peoples R China 2.UCAS, Beijing 100190, Peoples R China 3.Inner Mongolia Univ Technol, Coll Informat Engn, Hohhot 010051, Inner Mongolia, Peoples R China 4.Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China |
| 推荐引用方式 GB/T 7714 | Bao, Qian,Jiang, Chenglong,Lin, Yun,et al. Measurement matrix optimization and mismatch problem compensation for dlsla 3-d sar cross-track reconstruction[J]. Sensors,2016,16(8):16. |
| APA | Bao, Qian,Jiang, Chenglong,Lin, Yun,Tan, Weixian,Wang, Zhirui,&Hong, Wen.(2016).Measurement matrix optimization and mismatch problem compensation for dlsla 3-d sar cross-track reconstruction.Sensors,16(8),16. |
| MLA | Bao, Qian,et al."Measurement matrix optimization and mismatch problem compensation for dlsla 3-d sar cross-track reconstruction".Sensors 16.8(2016):16. |
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来源：中国科学院大学
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