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Fu, Tao; Wei, Peng; Han, Xiaole; Liu, Qingbo
Sensors (Basel, Switzerland), 11/2018, Letnik: 18, Številka: 11Journal Article
Fiber Bragg grating (FBG) acoustic emission (AE) sensors have been used in many applications. In this paper, based on an FBG AE sensor, the sensing principle of the interaction between the AE wave and the sensor is introduced. Then, the directionality of the FBG AE sensor on the surface of a thin polymer-bonded explosive (PBX) material is studied. Finally, the time coefficient location method is proposed to correct the AE time detected by the FBG AE sensor, thereby improving the accuracy of location experiments.
