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分辨力是超声探伤用换能器的关键指标 ,本文从理论和实验两方面探讨了如何利用机械阻抗均匀过渡法提高换能器分辨力的有关问题
The resolution is the key index of the transducer for ultrasonic flaw detection. This paper discusses how to use the uniform transition of mechanical impedance to improve the resolution of the transducer from both theoretical and experimental aspects