Fractional OAM Vortex SAR Imaging Based on Chirp Scaling Algorithm
Vortex electromagnetic wave carries orbital angular momentum. Combined with Doppler information provided by radar platform movement, vortex electromagnetic wave can achieve higher resolution target imaging in SAR Imaging technology. In this paper, fractional order OAM vortex SAR imaging is studied....
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| Published in: | Radio science Vol. 60; no. 3 |
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01.03.2025
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| Abstract | Vortex electromagnetic wave carries orbital angular momentum. Combined with Doppler information provided by radar platform movement, vortex electromagnetic wave can achieve higher resolution target imaging in SAR Imaging technology. In this paper, fractional order OAM vortex SAR imaging is studied. Firstly, the side‐looking strip SAR imaging model is established. Then, the scattering echo equation of fractional order OAM is derived. Finally, the imaging simulation of multi‐point target and single point target under Gaussian SNR is carried out by Chirp Scaling algorithm. The experimental results show that compared with the integer order OAM Vortex SAR Imaging, the fractional order OAM Vortex SAR Imaging in this paper has stronger robustness in Multi‐target and Noise environment, which proves the effectiveness of the fractional order Vortex SAR Imaging.
Plain Language Summary
We verify by Chirp Scaling Algorithm. In this paper, the fractional‐order OAM Vortex SAR Imaging has strong robustness in Multi‐target and Noise environment.
Key Points
We derive the echo formula for Fractional Vortex SAR Imaging
We simulate the amplitude and phase patterns of plane wave and integral and fractional order vortex wave
We have done imaging experiments of multiple targets and single target under Gaussian Signal‐to‐Noise Ratio |
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| AbstractList | Vortex electromagnetic wave carries orbital angular momentum. Combined with Doppler information provided by radar platform movement, vortex electromagnetic wave can achieve higher resolution target imaging in SAR Imaging technology. In this paper, fractional order OAM vortex SAR imaging is studied. Firstly, the side‐looking strip SAR imaging model is established. Then, the scattering echo equation of fractional order OAM is derived. Finally, the imaging simulation of multi‐point target and single point target under Gaussian SNR is carried out by Chirp Scaling algorithm. The experimental results show that compared with the integer order OAM Vortex SAR Imaging, the fractional order OAM Vortex SAR Imaging in this paper has stronger robustness in Multi‐target and Noise environment, which proves the effectiveness of the fractional order Vortex SAR Imaging.
We verify by Chirp Scaling Algorithm. In this paper, the fractional‐order OAM Vortex SAR Imaging has strong robustness in Multi‐target and Noise environment.
We derive the echo formula for Fractional Vortex SAR Imaging We simulate the amplitude and phase patterns of plane wave and integral and fractional order vortex wave We have done imaging experiments of multiple targets and single target under Gaussian Signal‐to‐Noise Ratio Vortex electromagnetic wave carries orbital angular momentum. Combined with Doppler information provided by radar platform movement, vortex electromagnetic wave can achieve higher resolution target imaging in SAR Imaging technology. In this paper, fractional order OAM vortex SAR imaging is studied. Firstly, the side‐looking strip SAR imaging model is established. Then, the scattering echo equation of fractional order OAM is derived. Finally, the imaging simulation of multi‐point target and single point target under Gaussian SNR is carried out by Chirp Scaling algorithm. The experimental results show that compared with the integer order OAM Vortex SAR Imaging, the fractional order OAM Vortex SAR Imaging in this paper has stronger robustness in Multi‐target and Noise environment, which proves the effectiveness of the fractional order Vortex SAR Imaging. Vortex electromagnetic wave carries orbital angular momentum. Combined with Doppler information provided by radar platform movement, vortex electromagnetic wave can achieve higher resolution target imaging in SAR Imaging technology. In this paper, fractional order OAM vortex SAR imaging is studied. Firstly, the side‐looking strip SAR imaging model is established. Then, the scattering echo equation of fractional order OAM is derived. Finally, the imaging simulation of multi‐point target and single point target under Gaussian SNR is carried out by Chirp Scaling algorithm. The experimental results show that compared with the integer order OAM Vortex SAR Imaging, the fractional order OAM Vortex SAR Imaging in this paper has stronger robustness in Multi‐target and Noise environment, which proves the effectiveness of the fractional order Vortex SAR Imaging. Plain Language Summary We verify by Chirp Scaling Algorithm. In this paper, the fractional‐order OAM Vortex SAR Imaging has strong robustness in Multi‐target and Noise environment. Key Points We derive the echo formula for Fractional Vortex SAR Imaging We simulate the amplitude and phase patterns of plane wave and integral and fractional order vortex wave We have done imaging experiments of multiple targets and single target under Gaussian Signal‐to‐Noise Ratio |
| Author | Chenlu, Li Ling, Qin Yu, Liu Yongxing, Du Baoshan, Li |
| Author_xml | – sequence: 1 givenname: Liu orcidid: 0009-0006-9965-4611 surname: Yu fullname: Yu, Liu organization: Inner Mongolia University of Science and Technology – sequence: 2 givenname: Du orcidid: 0000-0003-1518-962X surname: Yongxing fullname: Yongxing, Du email: dyxql@imust.edu.cn organization: Inner Mongolia University of Science and Technology – sequence: 3 givenname: Li surname: Baoshan fullname: Baoshan, Li organization: Inner Mongolia University of Science and Technology – sequence: 4 givenname: Qin surname: Ling fullname: Ling, Qin organization: Inner Mongolia University of Science and Technology – sequence: 5 givenname: Li surname: Chenlu fullname: Chenlu, Li organization: Inner Mongolia University of Science and Technology |
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| Cites_doi | 10.1109/ACCESS.2022.3228330 10.1063/1.4904090 10.1109/EuMC.2015.7346034 10.1109/ACCESS.2020.2995149 10.1121/10.0024768 10.1109/LAWP.2021.3067914 10.1109/TAP.2015.2393885 10.1109/LAWP.2016.2578958 10.1109/TGRS.2024.3423424 10.1063/1.3659466 10.1109/TAP.2009.2037701 10.1364/IPRSN.2014.JT3A.1 10.1109/TGRS.2023.3271905 10.1109/TAP.2016.2635620 10.1109/Radar53847.2021.10028448 10.1109/LAWP.2014.2376970 10.1088/1367‐2630/14/3/033001 10.1109/TAP.2023.3255539 10.3390/s23020971 10.1109/JSTSP.2022.3207902 10.1049/iet‐map.2015.0842 10.1103/PhysRevA.102.023516 10.5281/zenodo.14272561 10.1038/s41598‐017‐04313‐4 |
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| Snippet | Vortex electromagnetic wave carries orbital angular momentum. Combined with Doppler information provided by radar platform movement, vortex electromagnetic... |
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| SubjectTerms | Algorithms Angular momentum Chirp chirp scaling algorithm Electromagnetic radiation fractional OAM Imaging Robustness Scaling vortex SAR imaging Vortices |
| Title | Fractional OAM Vortex SAR Imaging Based on Chirp Scaling Algorithm |
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