本文以无缺陷时的表面回波为参考信号，用信号处理方法，识别表面缺陷回波，从而实现对表面缺陷的检测。文中给出了该方法的原理及实验结果。
Detection of surface-breaking cracks has been realized by signal processing method using the reference signal from a surface without flaws. The principle and experimental results are given.
做到这一点方法之一就是在建筑物的屋顶上对表面作特别处理。
One way to do that is to build those surfaces specially, on the roofs of buildings.
应用推荐