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Remote sensor measurement system for sub-centimeter structural change detection
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DOI：10.1016/j.measurement.2024.114350.png)
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摘要
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This work presents an autonomous remote sensor measurement system to monitor structural change detection. We utilized a portable network analyzer as a core component of a ground -based synthetic aperture radar to achieve structural monitoring. First, we realized a 2 -meter rail apparatus, where antennas and radio frequency components of the radar can move, to obtain a synthetic radar aperture. Then, we develop signal processing algorithms to obtain radar images and to perform change detection. Although the range resolution of our system is 15 cm due to the frequency bandwidth of the radar, we have successfully developed an interferometric change detection technique to achieve up to 440 mu m change detection of the monitored structure.
Keyword:
Change detection
Ground-based systems
Remote sensing
SAR interferometry
Structural health monitoring
Synthetic aperture radar
期刊
IF:
5.6
论文数:
2.0W
被引数:
5.4W
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