图根点

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[测] mapping control point
目录概念概念 图根点（mapping control point）是指专为测绘地形图布设的控制点。此点由图根测量求得。
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[测] mapping base point
... 图幅接合表 index diagram 图根点 mapping base point 图根控制 mapping control ...
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Supplementary control
... 补助等高线 Supplementary contour 图根点，补助点 Supplementary control 间插等高线 Supplementary half interval contour ...

短语

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图解图根点
数 graphic mapping control point
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解析图根点
测 analytic mapping control point
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图根控制点
supplementary boundary point ; mapping control point ; root control points

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简述全站仪的构成及测设图根控制点的基本原理，分析布设图根控制点的测量精度并得出结论。
The form of electronic total station and the basic principle of determining and setting up root control points were related briefly. The accuracy of setting up root control points was analysed.
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最后结合谢昆诺夫单位圆法，利用该算法对直线阵列天线不在单位圆上的根进行优化，实现了方向图的波束赋形和零点控制。
Finally, the improved algorithm and Schelkunoff's method have been combined to optimize roots which are not on the unit circle of linear array, then shaped-beam and zeros control are realized.

图根点
图根点是指直接用于测图的控制点。一般通过导线测量、GPS、RTK测量布设。图根点亦称“地形控制点”。直接用于测绘军事地形图的控制点，即用图根测量方法测定的控制点。图根点是在测量网中所使用的，在绘制平面图的时候要先在图纸上面绘制控制点，根据这些控制点，再进行加密测绘，这些基础的控制点即为图根点。通俗一点就是导线点的意思。

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