The measurement of crack height by ultrasonic edge peak echo method and digital signal processing was described, and the results were given.
介绍采用数字信号处理的超声端点反射回波声程测量裂纹高度的方法研究和结果。
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It was indicated that this method could significantly improve the signal-to-noise ratio (SNR) and efficiently filter the noise peaks, while the peak position and height remained unchanged.