Research on Distribution of Sound Field Intensity in Substation Based on Noise Array Monitoring Sensor

Accurate analysis of substation sound field intensity is crucial for noise pollution control. This study deploys a circular noise monitoring sensor array, leveraging frequency wavenumber analysis and synthetic aperture algorithm to synthesize a large aperture array. The method achieves a sound field energy distribution, which is then converted to sound intensity using equivalent A continuous sound level calculations. The relative error between the simulated and measured values ranges from 0.1 to 2.2%, with an average error of about 1%. The results show that the sensor array arrangement and analysis method used in this paper have good accuracy and effectiveness in studying the intensity distribution of substation sound field.