Journal of Systems Engineering and Electronics ›› 2023, Vol. 34 ›› Issue (4): 879-893.doi: 10.23919/JSEE.2023.000066
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收稿日期:2021-05-25出版日期:2023-08-18发布日期:2023-08-28
A modified OMP method for multi-orbit three dimensional ISAR imaging of the space target
Libing JIANG1(
), Shuyu ZHENG1,*(), Qingwei YANG1, Peng YANG2(), Zhuang WANG1()
- 1 Science and Technology on Automatic Target Recognition, National University of Defense Technology, Changsha, 410073, China
2 Xi’an Satellite Measurement and Control Center, Xi’an 710600, China
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Received:2021-05-25Online:2023-08-18Published:2023-08-28 -
Contact:Shuyu ZHENG E-mail:jianglibing@nudt.edu.cn;1846372244@qq.com;liuzhang881@126.com;zhuang_wang@sina.com -
About author:
JIANG Libing was born in 1982. He received his Ph.D. degree in information and communication engineering from National University of Defense Technology,Changsha, China, in 2014. He is currently a vice professor in the School of Electronics Science and Engineering, National University of Defense Technology, Changsha, China. His current research interests include electromagnetic scattering modeling, microwave imaging and radar image interpretation. E-mail: jianglibing@nudt.edu.cn
ZHENG Shuyu was born in 1996. He received his B.S. degree in fire control and command and the M.S. degree in electronic science and technology from Air Force Engineering University, Xi’an, China, in 2014 and 2020, respectively. Now he is a currently working toward to the Ph.D. degree in the Science and Technology on Automatic Target Recognition, National University of Defense Technology, Changsha, China.His current research interests include radar signal processing and three dimensional imaging of space targets. E-mail: 1846372244@qq.com
YANG Qingwei was born in 1994. He received his M.S. degree in information and communication engineering from National University of Defense Technology,Changsha, China, in 2020. Now he is currently working toward to the Ph.D. degree in the Science and Technology on Automatic Target Recognition, National University of Defense Technology, Changsha, China.His current research interests includespace targets’surveillance and radar resource scheduling and allocation
Peng Yang was born in 1992. He received his master degree in information and communication engineering from National University of Denfense Technology, Changsha,China,in 2016. He is currently an engineer at the Xi’an Satellite Measurement and Control Center,specializing in the field of radar imaging. E-mail: yp19921008@163.com
WANG Zhuang was born in 1974. He received his Ph.D. degree in information and communication engineering from National University of Defense Technology,Changsha, China, in 2001. He is currently a professor in the School of Electronics Science and Engineering, National University of Defense Technology, Changsha, China. His current research interests include radar signal processing, space targets’ surveillance and target recognition. E-mail: zhuang_wang@sina.com
引用本文
. [J]. Journal of Systems Engineering and Electronics, 2023, 34(4): 879-893.
Libing JIANG, Shuyu ZHENG, Qingwei YANG, Peng YANG, Zhuang WANG. A modified OMP method for multi-orbit three dimensional ISAR imaging of the space target[J]. Journal of Systems Engineering and Electronics, 2023, 34(4): 879-893.
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| Parameter | value |
| Carrier frequency | 16.67 |
| Signal bandwidth B/GHz | 2 |
| Pulse duration Trs/μs | 400 |
| Observation time Tr/s | 1.3963 |
| Number of azimuth angle | 280 |
| Pulse repetition frequency (PRF)/Hz | 200 |
| Azimuth angle/(°) | 0−4 |
| Observation distance Rk/km | 20 |
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| Algorithm | Imaging entropy | |||
| Four orbits | Seven orbits | 11 orbits | 20 orbits | |
| OMP algorithm | 9.2385 | 9.2180 | 8.3779 | 7.6213 |
| Improved OMP algorithm | 8.0766 | 8.0662 | 7.9958 | 7.3242 |
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| Algorithm | Running time | |||
| Four orbits | Seven orbits | 11 orbits | 20 orbits | |
| 3D-FFT algorithm | 5.850087 | 7.403087 | 8.401756 | 9.056088 |
| BP algorithm | 651.823212 | 776.154612 | 860.884807 | 925.623634 |
| OMP algorithm | 32.501502 | 80.764210 | 157.998510 | 261.189289 |
| STOMP algorithm | 13.707404 | 24.910388 | 34.674106 | 55.044340 |
| Improved OMP algorithm | 30.216193 | 36.545747 | 38.207677 | 54.325617 |
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