Comparative analysis of MT-InSAR algorithms supported by GNSS data and corner reflectors: Assessing performance and accuracy

Alonso-Díaz, Alex; Roque, Dora; Solla, Mercedes; Nuno Lima, José

doi:10.1016/j.procs.2024.06.319

Procedia Computer Science

2024

DOI: 10.1016/j.procs.2024.06.319

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Comparative analysis of MT-InSAR algorithms supported by GNSS data and corner reflectors: Assessing performance and accuracy

Alex Alonso-Díaz,

Dora Roque,

Mercedes Solla

et al.

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The Deformation Monitoring Capability of Fucheng-1 Time-Series InSAR

Wu,

Zhang,

Cai

et al. 2024

Sensors

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The Fucheng-1 (FC-1) satellite has successfully transitioned from its initial operational phase and is now undergoing a detailed performance assessment for time-series deformation monitoring. This study evaluates the surface deformation monitoring capabilities of the newly launched FC-1 satellite using the interferometric synthetic aperture radar (InSAR) technique, particularly in urban applications. By analyzing the observation data from 20 FC-1 scenes and 20 Sentinel-1 scenes, deformation velocity maps of a university in Mianyang city were obtained using persistent scatterer interferometry (PSI) and distributed scatterer interferometry (DSI) techniques. The results show that thanks to the high resolution of 3 × 3 m of the FC-1 satellite, significantly more PS points and DS points were detected than those detected by Sentinel-1, by 13.4 times and 17.9 times, respectively. The distribution of the major deformation areas detected by both satellites in the velocity maps is generally consistent. FC-1 performs better than Sentinel-1 in monitoring densely structured and vegetation-covered areas. Its deformation monitoring capability at the millimeter level was further validated through comparison with leveling measurements, with average errors and root mean square errors of 1.761 mm and 2.172 mm, respectively. Its high-resolution and high-precision interferometry capabilities make it particularly promising in the commercial remote sensing market.

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The Deformation Monitoring Capability of Fucheng-1 Time-Series InSAR

Wu,

Zhang,

Cai

et al. 2024

Sensors

View full text Add to dashboard Cite

show abstract

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Comparative analysis of MT-InSAR algorithms supported by GNSS data and corner reflectors: Assessing performance and accuracy

Cited by 1 publication

References 6 publications

The Deformation Monitoring Capability of Fucheng-1 Time-Series InSAR

The Deformation Monitoring Capability of Fucheng-1 Time-Series InSAR

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