The accuracy of node localization is crucial for many applications of Distributed Sensor Network(DSN).
节点定位的精确性在分布式传感器网络的许多应用中都起着至关重要的作用。
Applying the classical graph drawing algorithms to node localization in wireless sensor networks is a novel idea.
将经典的画图算法应用到无线传感器网络节点定位问题是一个全新的思路。
So this thesis deeply researched on node localization in wireless sensor networks (WSN) for underground complex environment.
在这个背景下，本文就井下复杂环境中无线传感器网络的节点定位进行了深入研究。
How to apply WLSE to node localization algorithm and choose proper weight coefficient to reduce location error are introduced.
介绍了如何将加权最小二乘估计应用于节点定位以及如何合理地选择加权系数以降低定位误差。
The simulation results show that the algorithm has better estimation error and node localization coverage than common weighted-centroid algorithm.
实验结果表明，与普通加权质心算法相比较，该算法具有更高的定位覆盖度和定位精度。
The node localization technology in wireless sensor networks was studied, and a flexible trilateration localization(FTL) based on RSSI was presented.
研究了无线传感器节点定位问题，在三边测量法定位基础上提出了一种基于RSSI的灵活的节点定位机制（FTL）。
In recent years, wireless sensor networks have become research focus and node localization in wireless sensor network is the main supporting technologies.
无线传感器网络近年来已经成为国内外研究的一个热点，其中，节点定位技术是无线传感器网络的主要支撑技术之一。
In order to suppress effectively the effects of manifold factors to WSN node localization precision, a localization algorithm based on error correction is provided.
为了有效抑制各种因素对无线传感器节点定位精度的影响，以三边定位算法为基础，提出了一种基于误差校正的定位算法。
In this paper, node localization algorithms in wireless sensor networks are researched, the traditional APIT algorithm is improved, and some meaningful results are obtained.
本文研究无线传感器网络中的节点定位算法，对传统APIT算法进行了改进，得到一些有意义的结果。
This paper classifies the node localization technologies into two categories: range-based and range-free, then introduces and analyses several typical localization technologies.
该文将节点定位技术分为基于测距的和无需测距的两类，介绍和分析了几种典型的定位技术。
A key obstacle to high accuracy location is the Non Line of Sight (NLOS) transmission of signal in wireless sensor network node localization. NLOS error is the main source of location error.
在无线传感器网络定位中，节点精确定位面临的一个主要问题是信号的非视距传播，非视距误差是节点定位误差的主要来源。
At present, there are many technical difficulties in the research of Wireless Sensor Network, the node localization, which associates closely with many practical application, obtains more attention.
目前，无线传感器网络仍然存在一些技术上的难点，节点定位技术与很多实际应用有着密切的联系，因而受到关注。
And node localization technology is one of the main supporting technologies in a wireless sensor network. The correct positioning of the node itself is the premise of providing monitoring information.
而节点定位技术是无线传感器网络的主要支撑技术之一，节点自身的正确定位是提供监测信息的前提。
Absrtact: Node localization is one of the most critical technologies in wireless sensor networks.
摘要：定位技术是传感器网络中的关键技术之一。
Node localization is the basis of many applications of wireless sensor networks and positioning accuracy is one of its key performance indicators.
节点定位是无线传感器网络众多应用的基础，定位精度是其关键性能指标之一。
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。
In wireless sensor networks, the node-localization is vital and promising to a wide scope of applications.
无线传感器网络节点定位至关重要，有着广泛的应用前景。
In wireless sensor networks, the node-localization is vital and promising to a wide scope of applications.
无线传感器网络节点定位至关重要，有着广泛的应用前景。
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