On basis of the linearized Euler equation,the sound pressure is correlated with the unsteady pressure distributions on stator blade surface in the form of the Fredholm integral equation of the first kind.

• 具体从线化欧拉方程出发 ,将空间有限点的声压与静叶表面的非定常压力分布关联成第一类 Fredholm积分方程的形式。