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.
完成了基础埋石、首级四等测量、一级平面导线测量、等外水准测量、图根控制等野外数据采集以及数据编辑工作。
The completion of the foundation buried stone heads, four measurements, a flat wire measurement, substandard level of measurement, map the root control field data collection and data editing.
如仅用rtk测图，可以省去建立图根控制这个中间环节，节省大量的时间、人力和财力，同时还可以全天候观测。
If only RTK surveying and mapping, you can save a built figure root control this middle link, saving a lot of time, human and financial resources, as well as around-the-clock observation.
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.
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.
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