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Table 1 Fitting results for the exterior and interior noises at different speeds

From: Sound Source Localisation for a High-Speed Train and Its Transfer Path to Interior Noise

  Interior noise Bogie area noise Bogie area source Pantograph area source Top area source Middle area source Bottom area source
a 33.5 31.6 27.6 40.0 31.3 32.4 24.0
L(v0) 63.0 113.0 118.2 109.6 113.2 117.8 117.7
R 2 0.92 0.87 0.99 0.98 0.98 0.96 0.96