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轴承缺陷道旁检测装置是一种声发射检测装置。根据轴承的声发射特征数据，设计了新一代道旁轴承声发射检测装置（ABD）。它包括多路拾音器阵列和高速数据采集及处理系统。运输技术中心的ABD系统设计有一套6路模拟神经网络。每一路神经网络能识别一种特定的轴承缺陷。
Roadside bearing defect detection device is a sound emission detection device. According to the acoustic emission characteristics of bearings, a new generation of acoustic emission detection device (ABD) for side-channel bearing has been designed. It includes a multi-channel pickup array and high-speed data acquisition and processing system. The ABD system at the Transportation Technology Center is designed with a six-way analogue neural network. Each neural network can identify a specific bearing defect.