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Statistical study of the relationships between mobile and fixed stations measurements in urban environment

  • GUILLAUME, Gwenaël
  • AUMOND, Pierre
  • CHOBEAU, Pierre
  • CAN, Arnaud
Publication Date
Jan 01, 2019
Portail Documentaire MADIS
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Sound level predictions are based on both simplified emission and propagation models able to deal with transport and industrial sources only, thus neglecting other sound sources which yet contribute to urban soundscapes. Sound level assessment can take advantage of acoustic measurements if a sufficient amount of sensors is deployed to pick up the variety of sound sources. This can be achieved by combining fixed and mobile sensors that offer high temporal and spatial granularities respectively. The paper proposes a raw data processing protocol for comparing mobile with fixed measurements when the mobile sensors pass close to sound observatories. The statistical study is strengthened by a preliminary numerical analysis of the noise levels discrepancy between fixed and mobile sensors according to the location of the fixed station in relation to the facade

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