At last , base on the windows2000 operation system , the soft wrap of impact echo examining system is explored by using the language matlab6 . 1 . the soft can achieve some function , including calculating the velocity of p _ wave in concrete plates by using one transducer or two transducers , amounting the depth of surface - opening cracks in concrete plates by using two transducers and measuring the depth of highway 最后，基于windows2000操作平台，用matlab6 . 1语言编制了冲击反射法测量系统的软件包。此测量系统能具有用单传感器测量波速、用双传感器测量波速、用双传感器测量混凝土板块开口裂纹的深度和测量公路路面的厚度等功能。整个系统具有友好的人机界面，操作简单，计算快捷，结果的显示直观。
