“波浪与海流测量仪器测试装置”依靠机械传动机构带动传感器作相对运动，模拟“波浪”和“海流”测量状态。
The testing equipment for wave and current meters drives the sensors to move, and simulates the wave and current state by mechanical system.
提出了通过在装有一个磁化钢球的轴承外圈及保持架侧面配置霍尔传感器，测量钢球三维运动的新方法，阐述了该测试方法的基本原理；
A new method for measuring the 3D motion of balls in angular contact ball bearings fitted with a magnetized ball is proposed, in which Hall Sensor is fixed to its outer ring and cage side face.
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