The method adopts visual sensor monitoring and captures images of field of welding temperature of back of weld.

该方法利用视觉传感来对焊缝背面焊接温度场热图像进行实时检测及处理，从而达到控制焊缝熔透的目的。

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In the developed CCD image sensor system, real-time collecting and disposing the welding temperature field image is realized by means of using the method of colorimetric temperature measure.

所研制的CCD图像传感器系统，通过采用比色测温的方法，实现了对焊接温度场图像的实时采集与处理。

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The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.

焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。

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