说明：  意大利Etna火山InSAR实测的SLC数据，即两幅天线的SAR复图像，mat格式，可以用MATLAB直接读取后进行图像配准、相位滤波、解缠绕等步骤。
(Etna volcano, Italy measured the SLC InSAR data, that is, two antenna SAR complex image, mat format, can be read directly after the MATLAB image registration, phase filtering, winding steps of solution.)