在超声波探伤中，声程指声束单向通过的路程。
介绍半球对接焊缝超声探伤的声程定位方法。
Ultrasonic flaw location in semisphere butt welds by sound path method is described.
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。
The measurement of crack height by ultrasonic edge peak echo method and digital signal processing was described, and the results were given.
主要介绍超声波探伤设备中，以单片机为核心实现超声波探伤中的声程补偿问题。
This paper introduces the chip microprocessor achieves the problem of compensation for acoustic distance of the ultrasonic flaw detection in the ultrasonic flaw detection device.
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