Test results showed that noises were depressed well, signal-to-noise ratio was improved obviously, and flaw location accuracy and longitudinal resolution were improved by using the method.

• 结果表明，它能较好地抑制噪声，使用该法处理的信号的信噪比明显提高，并且有较高的缺陷定位精度和纵向分辨率。