4 Art�culos

Enhancing Detection Performance of the Phase-Sensitive OTDR Based Distributed Vibration Sensor Using Weighted Singular Value Decomposition

Acceso

en l�nea

Khurram Naeem, Bok Hyeon Kim, Dong-Jin Yoon and Il-Bum Kwon

We propose a weighted singular value decomposition (WSVD) to reduce the random noise in the Rayleigh backscattering signal of the phase-sensitive optical time domain reflectometry (F-OTDR) to enhance the detection performance of the distributed vibration... ver m�s

Revista: Applied Sciences Formato: Electr�nico

Tabla de contenido: Vol: 11 Num: 0 Par: 4 A�o: 2021

A Technic for Ground Anchor Force Determination from Distributied Strain Using Fiber Optic OFDR Sensor with the Rejection of a Temperature Effect

Acceso

en l�nea

Il-Bum Kwon, Yong-Seok Kwon, Dae-Cheol Seo, Dong-Jin Yoon and Eunho Kim

Anchor systems are widely used to stabilize soil slope and suppress slope failure. Thus, monitoring conditions of an anchor system is important to prevent disasters due to slope failure. The slope condition can be indirectly monitored by sensing the tens... ver m�s

Revista: Applied Sciences Formato: Electr�nico

Tabla de contenido: Vol: 10 Num: 0 Par: 23 A�o: 2020

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