PROBLEM TO BE SOLVED: To always monitor the variation of the vibration propagation characteristic in a simple constitution.;SOLUTION: The vibration propagation characteristic calculation device is provided with a reference vibration detection means 13 which is arranged in the vicinity of a vibration generation section where vibration is generated and detects whether reference vibration to be a reference for measuring the vibration propagation characteristic is generated, a vibration measuring means VSij which is arranged at a desired measurement position and measures propagation vibration data indicating vibration propagated from the reference vibration, a vibration data storage means 21 for storing reference vibration data indicating the reference vibration and the propagation vibration data when the reference vibration detection means 13 detects the reference vibration, and a vibration propagation characteristic calculation means 20 for calculating vibration propagation characteristic at the measurement position based on the reference vibration data and the propagation vibration data which are stored in the vibration data storage means.;COPYRIGHT: (C)2008,JPO&INPIT
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