New Type of Optical Communication Error Meter for Subways

The settlement and deformation monitoring of subway tunnels had difficult in long-distance and real time measurement. This study proposed an optic-electric hybrid sensor based on infrared laser rangin...

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To ensure safety, it is important to monitor and detect any deformations in subway tunnels during their operation. Traditionally, the measurement of subway tunnel deformations has been done

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A condition diagnosis method for subway track structures employing

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