FIELD: measurement equipment.
SUBSTANCE: method of frequency data analysis includes: stage (310) to input signals arriving from the first sensor, stage (315) to input signals arriving at least from the second sensor, at the same time each second sensor is arranged near the first sensor, so that signals arriving from each second sensor are strongly correlated with signals arriving from the first sensor, the stage of assessment for each sensor of transfer function or model realised on the basis of a combination of signals from the first sensor and from each second sensor, and stage (320) to extract structural properties of the system on the basis of each of estimate models. Also a computer software product is proposed, which realises the method.
EFFECT: method improvement.
19 cl, 10 dwg
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