1) absence or loss of topognosia; inability to locate correctly a point of touch.
失去位置的感觉;不能确定位置。
2) initial position uncertainty
初始位置的不确定性
3) position uncertainty
位置不确定性
1.
This paper addresses node position uncertainty in wireless sensor network localization by introducing the feasible geographic region,which clearly represents all feasible position scope of sensor nodes.
讨论了传感器网络节点定位中的位置不确定性问题,引入节点的可行地理区域反映出节点的所有可能位置范围。
4) positional uncertainty
位置不确定性
1.
The visualization of positional uncertainty for random polyline based on ε_σ model in GIS
GIS中基于ε_σ模型的随机折线元位置不确定性的可视化
2.
A brand-new approach to the theory research of vector GIS positional uncertainty is inaugurated, and the theory and method which can be used for reference are also provided.
基于随机线元误差分布机理 ,研究了GIS中平面随机线元位置不确定性误差模型的建模原理 ,提出了决定误差模型形状的形状因子与误差模型规模的尺度因子的概念与确定方法 ,结合线元落入其等概率密度误差模型内的概率算法 ,解决了平面随机线元误差模型的形状与规
3.
This paper integrates the positional uncertainty of geometry data in GIS with the topological relationship among the different spatial objects by establishing the subject function, then elaborates the topological relationship among the point, line and polygon all of which include positional uncertainty, and finally applies the derived results to the determination of region boundaries.
基于模糊几何理论 ,通过隶属函数的建立 ,首次将矢量 GIS中几何数据的位置不确定性同点与目标间拓扑关系的判定结合起来 ,详细地分析了确定性和不确定性点与含有不确定性的 GIS目标间拓扑关系的判断。
5) location positioning
位置确定
1.
In order to mitigate the effects of non-line-of-sight (NLOS) propagation error in accurate wireless location positioning system, by analyzing some new NLOS error mitigation algorithms, a novel combined TOA-based location estimation algorithm with the methods of residual ranking and pseudo range scale restrained is presented.
针对精确无线移动定位系统中影响定位精度的非视线(NLOS)传播误差问题,在简要分析几种最新NLOS误差消除算法的基础上,提出了一种新的基于信号到达时间(TOA)的综合位置确定算法。
补充资料:失去
1.消失;失掉。
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