Confocal Tomography Imaging in Near-field Based on Spherical Wave Convolution Algorithm
Tomography imaging of synthetic aperture radar can realize 3D tomography Mthough its algorithm is simple, computation quantity is small, but is mainly suitable for the far field conditions. In addition, by increasing the number of baseline to improve the resolution will greatly increase the system c...
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| Veröffentlicht in: | Danjian yu Zhidao Xuebao / Journal of Projectiles, Rockets, Missiles and Guidance Rockets, Missiles and Guidance, 2014-02, Vol.34 (1), p.169-175 |
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| container_title | Danjian yu Zhidao Xuebao / Journal of Projectiles, Rockets, Missiles and Guidance |
| container_volume | 34 |
| creator | Tian, Balin Liang, Huaqiang Luo, Yongjian Chen, Yao Xia, Chunhng |
| description | Tomography imaging of synthetic aperture radar can realize 3D tomography Mthough its algorithm is simple, computation quantity is small, but is mainly suitable for the far field conditions. In addition, by increasing the number of baseline to improve the resolution will greatly increase the system complexity. According to the above problems, a tomography imaging technique in near-field using confocal circular SAR was proposed. Two techniques of synthetic aperture and confacal imaging were combined to achieve space-time confocal imaging using SAR on a circular or curved orbit. The results of digital simulation and experiment show that the proposed algorithm overcomes ahitude ambiguity and has the capability to extract 3-D imaging information from a target scene. |
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In addition, by increasing the number of baseline to improve the resolution will greatly increase the system complexity. According to the above problems, a tomography imaging technique in near-field using confocal circular SAR was proposed. Two techniques of synthetic aperture and confacal imaging were combined to achieve space-time confocal imaging using SAR on a circular or curved orbit. 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| identifier | ISSN: 1673-9728 |
| ispartof | Danjian yu Zhidao Xuebao / Journal of Projectiles, Rockets, Missiles and Guidance, 2014-02, Vol.34 (1), p.169-175 |
| issn | 1673-9728 |
| language | chi |
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| source | Alma/SFX Local Collection |
| subjects | Algorithms Ambiguity Confocal Imaging Projectiles Synthetic aperture radar Three dimensional Tomography |
| title | Confocal Tomography Imaging in Near-field Based on Spherical Wave Convolution Algorithm |
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