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| Citation: | WU You, XI Rongyan, PAN Xiaotian, et al. Research on a phased electromagnetic surface-based W-band radar system[J]. Journal of Radars, 2021, 10(2): 281–287. doi: 10.12000/JR21041
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Research on a Phased Electromagnetic Surface-based W-band Radar System
DOI: 10.12000/JR21041
More Information-
Abstract
This paper introduces a W-band phased electromagnetic surface radar system. This phased electromagnetic surface works at 92～96 GHz and is manufactured with general PCB technology and processing accuracy requirements. The appropriate unit design makes the DC bias voltage of each PIN diode on the phased electromagnetic surface controlled for the current reversal purpose at a low cost and portability. A 180° phase shift of the unit cell can be provided as the current direction on the unit cell is reversed. Beam scanning in different directions can be formed when inputting the right spatial codes. This transmission type phased electromagnetic surface with the ability of beam scanning is used as the receiving antenna of the radar system. This paper presents a W-band phased electromagnetic surface radar system and its manufacture and measurement results, which are fundamental to further research of precision guidance, target identification, and imaging.-
Keywords:
- W-band,
- Phased electromagnetic surface,
- Radar system
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References
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- Figure 1. Phased electromagnetic surface unit cell and 180° phase shift structure
- Figure 2. Current distribution of the unit cell in different states
- Figure 3. Full wave simulation results of the phased electromagnetic surface principle model
- Figure 4. Phased electromagnetic surface radar system diagram
- Figure 5. The figure of the phased electromagnetic surface radar system
- Figure 6. The phased electromagnetic surface antenna subsystem
- Figure 7. The phased electromagnetic surface antenna measurement site
- Figure 8. The phased electromagnetic surface antenna beam scanning performance
- Figure 9. The phased electromagnetic surface radar system test site
- Figure 10. The one-dimensional range profile of a metal stick
- Figure 11. The intensity of the scatterer under different beam directions