Abstract
Active noise control tends to be challenging, especially for open space scenario. This work intends to control road traffic noise that is treated as an ideal line source with finite length, actively through the introduction of an array of secondary point monopole sources to modify the original sound field, which accordingly creates a quiet zone for the noise sensitive receivers. Three dimensional analytical formulation and numerical simulation are performed to compare the difference before and after the introduction of control sources, through which the optimal position and strength of each control source are studied.
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