From each work school grade order, maintenance and theater each production line product separately extracts the data, in order to changes the difference origin including the model process.

从每一作业班次，维护之前和之后的每条生产线的产品分别抽取数据，以便包括典型的过程变差来源。

If transmission line occurs fault, the system is started, then transmits the acquired fault point data to PC by USB serial port in order to process.

当输电线路发生故障时，启动测距系统，将采样得到的故障数据通过US B串行端口上传到PC机，进行数据的浅析浅析处理。

A new approach to fit line is proposed. In this method, Hough transform and least square have been combined to process experiment data and the contour of binary images.

将霍夫变换与最小二乘法相结合，研究对实验数据和图像处理中的二值边缘图进行直线拟合的方法。