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Content Provider | IET Digital Library |
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Author | Lin, Chenchen Huang, Puming Li, Yu Wang, Weiwei |
Abstract | The synthetic aperture radar (SAR) may be threatened greatly by the deceptive jamming within its main-lobe. To tackle this problem, a two-dimensional self-adaptive frequency diverse array (FDA)-based SAR processing scheme is proposed in this study. Considering that transmit and receive steering vectors of FDA are range-angle dependent, in FDA-SAR, the spectrum distributions of true targets and jamming in joint transmit-receive frequency domain depends on the actual locations of scattering points and the jammer, respectively. Therefore, the false signal can be distinguished due to the mismatch in either range or angle. Then by employing a two-dimensional self-adaptive filter, the phony targets can be mitigated even if the jammer locates in the main beam. In the end, the simulation results showed that it achieves enhanced suppression capability and smaller ineffective area comparing with the static spatial filter in conventional multichannel SAR. |
Starting Page | 8022 |
Ending Page | 8026 |
Page Count | 5 |
Volume Number | 2019 |
e-ISSN | 20513305 |
Issue Number | Issue 21, Nov (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/21 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2019.0712 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2019-08-13 |
Access Restriction | Open |
Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
Subject Keyword | Adaptive Filter Conventional Multichannel SAR Dimensional Deceptive Jamming Mitigation Algorithm Electromagnetic Compatibility FDA-SAR Interference Jamming Joint Transmit-receive Frequency Domain Main-lobe Optical, Image And Video Signal Processing Radar Equipment Radar Imaging Radar Signal Processing Radio Link And Equipment Range-angle Dependent SAR Imaging Self-adaptive Frequency Diverse Array-based SAR Processing Scheme Signal Processing And Detection Spatial Filter Synthetic Aperture Radar System And Application |
Content Type | Text |
Resource Type | Article |
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