在固定点安置CCD 摄像机，通过图像采集卡对处于动态被监测结构物上的标志点进行视频图像采集；
First we put CCD vidicon on fixed point, gather the video picture of sign point on dynamic measured structure by picture gathering card.
传统的作业方法是通过测量地球表面固定点的重力值、水平坐标和高程得到重力异常来求解混合边值问题。
We had used height anomaly to solve the mixed boundary value problem by measuring the value of gravity of standpoint, level coordinate and height.
通过移站测量来获得几个固定点的坐标位置，然后将测量结果进行处理，给出整个测量系统的测量不确定度。
By measuring the coordinate positions of a series of fixed targets from several instrument locations and calculating the measurement results, the working uncertainty of the total system will be given.
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