说明：  pulseEKKO PRO型地质雷达具有自己独特的数据存储格式,即以HD为扩展名的头文件和以DT1为扩展名的数据文，本程序可将ekko数据导入到matlab
(PulseEKKO PRO GPR has its own unique data storage format, namely header file with HD extension and data text with DT1 extension. This program can import EKko data into MATLAB)