论文信息 - Noise spectra from wind turbines

Noise spectra from wind turbines

This paper presents observations of audio noise in frequency range 20–20 000 Hz from wind turbines. The observations were performed around the theoretically calculated 40 dBA noise perimeter around the wind turbine farm at Oxhult, Sweden. This paper describes a newly designed and constructed a field qualified data acquisition system to measure spectra and total noise level of sound from wind turbines. The system has been calibrated at SP Boras. It is shown that it has a flat frequency response and is linear with amplitude and time.

Lars B. Bååth | L. Bååth

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