...键词： 无线传感器网络；三维定位；迭代；测距 [gap=1304]Keywords: Wireless sensor network, Three-dimensional localization, Iteration, Ranging ...
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Chinese Journal of Sensors and Actuators 关键词： 无线传感器网络，三维定位，AOA，同心圆 [gap=986]Keywords: WSNs, three-dimensional positioning, AOA, concentric
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So it has seriously affected the three dimensional localization application develop of GPS and makes the superiority of providing the three dimensional coordinates not be able to obtain the full display.
这严重影响了GPS三维定位应用的发展,使其提供三维坐标的优越性未能得到充分发挥。
参考来源 - 基于人工神经网络的GPS高程异常拟合方法研究To overcome the disadvantage of multilateral ranging method,consider the location algorithm applied realistic environment,based on the characteristics of DV-Hop,an improved three-dimensional localization algorithm was proposed.
针对多边测距法的不足,考虑定位算法所应用的现实环境,在典型DV-Hop算法的基础上,提出了一种改进的三维定位算法。
参考来源 - 一种基于多重共线性的三维DVThe above fact implicates that even if we do not need to know the height information of nodes, it is still necessary to employ 3D localization algorithms in 3D scenarios.
这说明即使我们不需要了解节点的高度信息，在三维场景下采用三维定位算法也是有必要的。
参考来源 - 三维无线传感器网络节点自定位算法研究With the upgrade of medical imaging equipment, the continuous development of three-dimensional positioning system, the application field of three-dimensional medical image processing technology and 3D visualization technologies are also expanded.
随着医学影像设备的不断升级、三维定位系统的不断发展,三维医学图像处理技术及三维可视化技术被应用于临床的范围也在不断扩大。
参考来源 - 基于三维重建的脊椎测量技术研究The above fact implicates that even if we do not need to know the height information of nodes, it is still necessary to employ 3D localization algorithms in 3D scenarios.
这说明即使我们不需要了解节点的高度信息，在三维场景下采用三维定位算法也是有必要的。
参考来源 - 三维无线传感器网络节点自定位算法研究To overcome the disadvantage of multilateral ranging method,consider the location algorithm applied realistic environment,based on the characteristics of DV-Hop,an improved three-dimensional localization algorithm was proposed.
针对多边测距法的不足,考虑定位算法所应用的现实环境,在典型DV-Hop算法的基础上,提出了一种改进的三维定位算法。
参考来源 - 一种基于多重共线性的三维DV·2,447,543篇论文数据，部分数据来源于NoteExpress
建立了三维定位误差影响加工精度的数学模型。
A mathematical model on the influence of three-dimensional locating upon machining accuracy is established.
方法：机器人系统由智能机械臂、影像引导装置、三维定位软件等模块组成。
Methods: This robot system contended the intellectual machinery arm, image guiding device and 3 dimensional software.
目的：探讨基于低频电场方式进行心腔内三维定位导航及心内膜重构的可行性。
Objective: To approach the feasibility of the three-dimensional positioning and navigation with regular catheter electrodes in intracavitary with a low-frequency electrical field.
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