采用k空间方法仿真超声声场及光声、剪切波传播等的专用matlab工具箱程序包，能模拟非均匀介质情况下的波动传播情况，功能强大，-k-wave toolbox for ultrasound simulation . -K-space method using ultrasonic sound field simulation and photoacoustic, shear wave propagation matlab toolbox, such as special packages that