Sound diffraction by a partially inclined noise barrier

摘要

A new analytic method is presented for predicting the performance of a partially inclined barrier. The insertion loss of the barrier is predicted by summation of multiple diffractions occurring at the top and corner points, at which convex and concave edges are formed. Kouyoumjian and Pathak' s diffraction theory (Kouyoumjian RG, Pathak PH. A uniform Geometrical theory of diffraction for an edge in a perfectly conducting surface.