Mei-Yan LIANG, Zhu-Yun REN, Guang-Hui LI, Cun-Lin ZHANG, Aly E Fathy. THz ISAR imaging using GPU-accelerated phase compensated back projection algorithm[J]. Journal of Infrared and Millimeter Waves, 2022, 41(2): 448
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 2, 448 (2022)
Fig. 1. The progress of THz radar system（a）bandwidth，（b）resolution
Fig. 2. The block diagram of the 0.22 THz radar system
Fig. 3. Experimental model of 0.22 THz ISAR imaging
Fig. 4. Experimental scenario of 0.22 THz radar imaging
Fig. 5. THz radar imaging model
Fig. 6. Image reconstruction process using BP algorithm
Fig. 7. The flow chart of BP algorithm
Fig. 8. A photograph of the 0.22 THz radar system
Fig. 9. The corner reflectors are mounted on the turntable
Fig. 10. ISAR imaging result for a corner reflector
Fig. 11. ISAR result after phase compensation（single corner reflector）
Fig. 12. ISAR imaging result for two corner reflectors
Fig. 13. ISAR result after phase compensation（two corner reflectors）
Fig. 14. ISAR result using RD algorithm
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Table 1. The parameters of THz radar imaging system
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Table 2. Design parameters of 0.22 THz SF radar system
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Table 3. The parameters of NVIDIA GeForce RTX 2060
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Table 4. The comparison of RD algorithm and BP algorithm
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