交点线
- 网络Intersection line;nodal line;line of nodes
交点线-
完成了坐标刻度的数字识别和位置定位。3.提出了基于交点的坐标线提取算法。
Has completed the coordinate scale digital recognition and the position localization . 3 . Proposed based on the point of intersection extraction coordinate line extraction algorithm .
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对交点分析得出，在不同的水力特性下，交点水深与测线水深的比值范围固定在0.1~0.2之间，交点流速值与断面平均流速值有很好的对应关系。
The ratio range between depth of the point and depth of channel is fix up0.1 ~ 0.2 , and the velocity of point and average velocity of channel have nice relativity .