Zhao-Hui MA, Jing-Yang WANG, Han-Dan JING, Fan LIU, Wei-Dong HU, Xin LYU. Millimeter wave security imaging based on single-channel MIMO radar[J]. Journal of Infrared and Millimeter Waves, 2020, 39(6): 709
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 6, 709 (2020)
Fig. 1. Single-CDM process in traditional MIMO radar
Fig. 2. Dual-CDM process in single-channel MIMO radar
Fig. 3. Block diagram of the single-channel MIMO radar front-end
Fig. 4. The secondary CDM process of the dual-CDM in single-channel MIMO radar
Fig. 5. Schematic diagram of two typical de-multiplex processes and their results, where the time-domain encoded signal (a) is the one to be extracted this time, (b) is the de-multiplex code sequence this time, and (c) is the one not to be extracted this time
Fig. 6. Comparison of the correlation output between m-sequence, TSOC and MMFC
Fig. 7. Comparison of the defined SNR between m-sequence, TSOC and MMFC
Fig. 8. Comparison of the SIR between m-sequence and MMFC
Fig. 9. [in Chinese]
Fig. 10. [in Chinese]
Fig. 11. The point spread function of the simulated single-channel MIMO radar in distance-horizontal dimension
Fig. 12. Photograph of (a) the imaging system prototype and (b) the phase shifters as well as the (c) block diagram of this system
Fig. 13. [in Chinese]
Fig. 14. (a) Photograph of the target; Single-channel MIMO radar imaging by (b) m-sequence (c) TSOC (d) MMFC
Fig. 15. Imaging test of the targets under clothes
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Table 1. List of the Hadamard product results by -length m-sequences
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