1) 3D control network
三维控制网
1.
The plane accuracy research of 3D control network based on laser tracker in large-scale space;
大尺寸激光跟踪仪三维控制网平面精度研究
2.
This paper introduces the merit of 3D control network and the characteristic of Laser Tracker measurement system.
介绍三维控制网的优点及激光跟踪仪测量系统的特点,讨论了光束法平差原理及不同观测值的权比问题,并以100MeV电子直线加速器安装测量控制网的模拟计算和实测结果,论证了利用激光跟踪仪进行三维控制网的精度。
3.
Then presents the application and research situation of 3D control network based on Total Station and Laser Tracker in the storage ring, which is the first time application that the unified utilization of the two types instruments in such a big dimension.
介绍了加速器准直测量控制网的特点及BEPCⅡ储存环的控制网,给出了基于全站仪和激光跟踪仪的三维控制网技术在该工程中的研究和应用情况,联合利用这两种仪器,采用三维测量方式建立了一个高精度的测量控制网,着重分析了三维控制网的优缺点及增加全站仪观测值后对控制网精度的贡献,并指出三维控制网技术具有较好的应用前景。
2) Three-Dimensional Control Network Adjustment
三维控制网平差
1.
Study on Three-Dimensional Control Network Adjustment in Engineering Survey;
工程三维控制网平差方法研究
3) three-dimensional control
三维控制
1.
According to the demand for data transmission of radio cal signal and based on the GSM-R data channel structure and security transmission protocol, it was proposed some methods which was included address-time-key three-dimensional control, time-division multiplexing communication method and communication protocol, variable frame structure and so on.
根据无线机车信号数据传输需求,以GSM-R数据通道结构和GSM-R安全传输协议为基础,提出采用地址、时间、注册码三维控制、时分复用通信方式和通信协议、帧结构可变、调整优先级等方法。
4) high-precision three-dimensional control net
高精度三维控制网
5) three-dimensional GCP
三维控制点
1.
In this paper,for calculating RPC model we establish a set of virtual three-dimensional GCP by using space projection model of remote sensing and global DEM,this method have more efficient to calculate RPC model when the remote sensing images don t have rigorous sensor model and less ground reference point.
利用遥感影像成像时的空间投影模型并顾及全球DEM建立了一组虚拟的三维控制点,用于求解RPC模型,解决了控制点数量严重不足时RPC模型的求解问题。
6) 3D control chart
三维控制图
补充资料：城域网(见计算机网络)
城域网(见计算机网络)
metropolitan area network, MAN
ehengyuwQng城域网(metropolitan area netwo次，MAN)分布范围可覆盖几个街区到整个城市的计算机网络。见计算机网络。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条