supported by the National Natural Science Foundation of China(11374241);Aeronautical Science Foundation of China(20151553021);Civil Aircraft Research Project of the Ministry of Industry,Information Technology of the People’s Republic of China(MJ-2015-F-044);Natural Science Foundation of Shaanxi Province(2018JM6020)
Conventional equivalent source method always models the reflective waves from boundaries with one-layer equivalent sources,but how to select the optimized distances of the equivalent sources is always difficult.A mult...