Listar por autor "Murayama, Hideaki"
Mostrando ítems 1-3 de 3
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Quasi-distributed vibration analysis of a cantilever beam using OFDR and weak reflectors
Leandro González, Daniel ; Zhu, Mengshi; Wada, Daichi; Kasai, Tokio; Igawa, Hirotaka; López-Amo Sáinz, Manuel ; Murayama, Hideaki (Optica Publishing Group, 2022) Contribución a congreso / Biltzarrerako ekarpenaThis work evaluates the performance of a quasi-distributed in-line velocimeter based on OFDR and weak reflectors to measure vibration every 10 cm, using a cantilever beam under free-end damping and during an impact-hammer test. -
Quasi-distributed vibration sensing based on weak reflectors and STFT demodulation
Leandro González, Daniel ; Zhu, Mengshi; López-Amo Sáinz, Manuel ; Murayama, Hideaki (IEEE, 2020) Artículo / ArtikuluaIn this work, a new system is proposed for quasi-distributed vibration sensing based on the Doppler effect. The setup employs an optical frequency domain reflectometer (OFDR) and an array of weak reflectors. The short-time ... -
Quasi-distributed vibration sensing using OFDR and weak reflectors
Zhu, Mengshi; Leandro González, Daniel ; López-Amo Sáinz, Manuel ; Murayama, Hideaki (Optical Society of America, 2019) Artículo / ArtikuluaThe authors proposed a quasi-distributed vibration sensing technique using in-line weak reflectors and optical frequency domain reflectometry (OFDR). As a result, they achieved an 8 kHz measurable vibration frequency with ...