Browse Publications Technical Papers 2009-01-2088
2009-05-19

Reciprocal Transfer Functions Synthesis Method for Rolling Noise and NVH Floor Treatment Investigations 2009-01-2088

In order to characterize the noise filtering performance of a vehicle with respect to both structure- and airborne transfer paths, a reciprocal transfer functions synthesis method is proposed. Simple, timesaving and repeatable, the procedure is an interesting alternative to the direct measurement.
As part of the Vehicle Benchmarking acoustic expertise, the reciprocal transfer function synthesis method is well appropriate to rank different vehicles according to their sound attenuating performances, or to characterize the effectiveness of an acoustic package. As an application example, a sensitivity analysis of the rolling noise transmission with respect to the floor treatment of a vehicle is presented.

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