中文说明：
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。
English Description：
The observed data of the SLC from Italy Etna volcano InSAR, namely two antenna SAR complex images, mat format, can be read directly with MATLAB after image registration, phase filtering, solutions of the winding steps, etc.