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分析了超声波检测信号的波形特征，提出了利用检测信号的波形特征进行疵病实时检测和识别的方法．实例表明：该方法对于提高检测可靠性是行之有效的．
The waveform characteristics of the ultrasonic testing signal are analyzed, and the method of detecting and identifying the flaw using the waveform characteristics of the testing signal is proposed. The example shows that this method is effective to improve the reliability of detection.