Experimental 0.22 THz Stepped Frequency Radar System for ISAR Imaging |
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| Authors: | Mei Yan Liang Cun Lin Zhang Ran Zhao Yue Jin Zhao |
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| Affiliation: | 1. School of Opto-Electronic, Beijing Institute of Technology, Beijing, 100081, China
2. Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Capital Normal University, Beijing, 100048, China
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| Abstract: | High resolution inverse synthetic aperture radar (ISAR) imaging is demonstrated by using a 0.22 THz stepped-frequency (SF) imaging radar system. The synthesis bandwidth of the terahertz (THz) SF radar is 12 GHz, which are beneficial for high resolution imaging. The resolution of ISAR image can reach centimeter-scale with the use of Range-Doppler algorithm (RDA). Results indicate that high resolution ISAR imaging is realized by using 0.22THz SF radar coupled with turntable scanning, which can provide foundations for further research on high-resolution radar image in the THz band. |
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