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Amplitude Modulation Analysis Amplitude modulation (AM) is a inherent character of wind turbine noise, however certain circumstances can lead to excessive AM. Blue Sky Acoustics have expertise in the analysis and assessment of AM using in-house software to undertake assessments in accordance with the latest guidance to determine [...]
Amplitude Modulation Analysis Amplitude Modulation (AM) describes periodic fluctuations in the level of wind turbine noise which is related to the rotational speed of the turbine blades. This characteristic is often observed by a listener as a ‘swishing’ noise and is a normal characteristic of modern wind turbine [...]