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.
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