Visualization of Vibration of Bridges by 79Ghz MIMO Radar

Motoyuki Sato; Ryuma Saito

doi:10.1109/IGARSS46834.2022.9883811

Visualization of Vibration of Bridges by 79Ghz MIMO Radar

Motoyuki Sato, Ryuma Saito

Department of Basic Studies

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

MIMO Radar operating at 79GHz was used for visualization of vibration of bridges. A FM-CW MIMO radar consists from 12 Transmitting and 16 receiving antennas was used. 2D SAR images reconstruction with PRF higher than 20Hz was achieved, and we demonstrated that vibration of any points in the 2D SAR image can be obtained. We measured vibration of brides, which have different structures, namely steel, and RC concrete. We showed that the vibration mode is very different between these two bridges, and demonstrated that this system can be used for practical safety observation of social infra structures.

Original language	English
Title of host publication	IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	7172-7173
Number of pages	2
ISBN (Electronic)	9781665427920
DOIs	https://doi.org/10.1109/IGARSS46834.2022.9883811
Publication status	Published - 2022
Event	2022 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2022 - Kuala Lumpur, Malaysia Duration: 2022 Jul 17 → 2022 Jul 22

Publication series

Name	International Geoscience and Remote Sensing Symposium (IGARSS)
Volume	2022-July

Conference

Conference	2022 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2022
Country/Territory	Malaysia
City	Kuala Lumpur
Period	22/7/17 → 22/7/22

Keywords

79GHz
MIMO RADAR
SAR Interferometry
Vibration
Visualization

ASJC Scopus subject areas

Computer Science Applications
Earth and Planetary Sciences(all)

Access to Document

10.1109/IGARSS46834.2022.9883811

Cite this

Sato, M., & Saito, R. (2022). Visualization of Vibration of Bridges by 79Ghz MIMO Radar. In IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium (pp. 7172-7173). (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2022-July). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IGARSS46834.2022.9883811

Visualization of Vibration of Bridges by 79Ghz MIMO Radar. / Sato, Motoyuki; Saito, Ryuma.

IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium. Institute of Electrical and Electronics Engineers Inc., 2022. p. 7172-7173 (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2022-July).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sato, M & Saito, R 2022, Visualization of Vibration of Bridges by 79Ghz MIMO Radar. in IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium. International Geoscience and Remote Sensing Symposium (IGARSS), vol. 2022-July, Institute of Electrical and Electronics Engineers Inc., pp. 7172-7173, 2022 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2022, Kuala Lumpur, Malaysia, 22/7/17. https://doi.org/10.1109/IGARSS46834.2022.9883811

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abstract = "MIMO Radar operating at 79GHz was used for visualization of vibration of bridges. A FM-CW MIMO radar consists from 12 Transmitting and 16 receiving antennas was used. 2D SAR images reconstruction with PRF higher than 20Hz was achieved, and we demonstrated that vibration of any points in the 2D SAR image can be obtained. We measured vibration of brides, which have different structures, namely steel, and RC concrete. We showed that the vibration mode is very different between these two bridges, and demonstrated that this system can be used for practical safety observation of social infra structures.",

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AB - MIMO Radar operating at 79GHz was used for visualization of vibration of bridges. A FM-CW MIMO radar consists from 12 Transmitting and 16 receiving antennas was used. 2D SAR images reconstruction with PRF higher than 20Hz was achieved, and we demonstrated that vibration of any points in the 2D SAR image can be obtained. We measured vibration of brides, which have different structures, namely steel, and RC concrete. We showed that the vibration mode is very different between these two bridges, and demonstrated that this system can be used for practical safety observation of social infra structures.

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Visualization of Vibration of Bridges by 79Ghz MIMO Radar

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

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