An airport aircraft noise calculation and prediction method and device

Abstract

Disclosed is an airport aircraft noise calculation and prediction method and device. The method can acquire aircraft trajectory data and real-time meteorological data, construct a dynamic noise source physical model, a sound propagation attenuation physical model, a terrain influence mapping physical model, a meteorological dynamic correction physical model. Based on the constructed physical models, it calculates the dynamic sound power level of the noise source, lateral diffraction correction factor, geometric attenuation amount, terrain attenuation amount, and atmospheric attenuation amount, thereby calculating the predicted sound pressure level value at a receiver point. It can also spatiotemporally match measured values with predicted values to optimize parameters of the sound propagation path in each physical model. The present disclosure achieves dynamic coupling between measured values and predicted values and considers various complex factors, significantly improving prediction accuracy in complex environments and providing technical support for civil aviation noise control.