建立了基于脉冲表面波声场的声发射传感器标定系统，对商用和自制的几种声发射传感器进行了标定。
The ae sensor calibration system based on pulsed surface wave sound field was built several commercial and self-made ae sensors had been calibrated on it.
提出了基于机器人力控制表面跟踪的遥控焊接虚拟环境标定方法。
A method of virtual environment calibration for remote welding based on surface tracking with robot force control is proposed.
这种应力常数标定方法适用于各种表层结构发生根本变化的表面强化件的X -射线应力常数测定。
It is believed that this calibration is suitable for X-ray stress constant measurement for various surface-reinforced elements, whose surface layer structure has changed radically.
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