The method is dependent on distance, which can get the coordinates of the unknown node through the distance of unknown node and known node.
该算法是一种基于距离的三边测量定位算法，根据待测节点到信标节点的距离推测出待测节点的坐标。
How to obtain location information of an unknown node precisely is a key problem of locating service under ubiquitous computing environment.
如何准确地获得未知移动节点的位置信息是普适计算环境下定位服务要解决的关键问题。
How to use Sequential Monte Carlo method for range-free localization scheme when we estimate the unknown node position in Wireles Sensor Networks?
在估计无线传感器网络未知节点位置时，如何使用与距离无关的贯序蒙特卡罗算法?。
The key point of this method is that a simple formula has been derived for estimating step length. Therefore it is easy to find the unknown node coordinate from known one.
其关键点是导出了求估算步长的一个简单公式，从而很容易的由已知节点坐标求出到下一节点的坐标增量。
The Newton iteration method is used to solve the economic pressure on the unknown node, so as to calculate the economic head loss and economic pipe diameter of each section,.
采用牛顿迭代法来求解各未知节点的经济水压，进而得出各管段的经济水头损失、经济管径和水源二级泵站的经济扬程。
Node localization problems are that on the basis of a small number of known location nodes, according to a positioning mechanism, unknown node can define their own positions.
节点定位问题即未知节点根据少数已知位置的节点，按照某种定位机制确定自身的位置。
Node localization problems are that on the basis of a small number of known location nodes, according to a positioning mechanism, unknown node can define their own positions.
节点定位问题即未知节点根据少数已知位置的节点，按照某种定位机制确定自身的位置。
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