A turn axle eccentric velocities is measured by applying self-mixing interference in a diode laser.
应用半导体激光自混频干涉技术，对轴运动时的偏心速度进行了测量。
In combination with precision motion control and laser scanning along axle and circular direction, the method can classify and recognize the defects of scotching and flaking on wheel tread.
再结合精密运动控制，以及车轴和圆周方向的快速激光扫描，实现了踏面擦伤和剥离等缺陷参数的分类和识别。
On the basis of accurate theory, using laser emitter and photosensitive diode as testing sensor, a set of laser equipment for automobile axle depth of parallelism test is designed and produced.
利用激光发射器和光敏接收器作为检测传感器，基于准确的检测理论，设计出了激光检测法检测汽车前、后轴平行度的检测装置。
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