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Report No.
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Development of diagnostic technique for equipment abnormality under high radiation environment by spatial sound field measurement using LDV

Murata, Atsushi*; Saruta, Koichi   ; Wakui, Takashi  ; Li, Y.*; Futakawa, Masatoshi  ; Oshima, Ryota*; Furukawa, Hirohiko*

Characteristics of sound field measurement using a laser Doppler vibrometer (LDV) have been investigated with the aim of evaluating the applicability of the optical measurement method of sound fields to a diagnostic technique for equipment abnormality in high radiation environments. Important aspects of sound measurement using a LDV are discussed based on its dependence on optical path length and sound frequency in terms of anomaly detection and diagnosis in terms of anomaly detection and diagnosis.

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