基于Parzen窗的水下無線傳感器網(wǎng)絡(luò)目標(biāo)定位方法

龐菲菲; 張群飛; 史文濤; 韓晶; 孟慶微

doi:10.11999/JEIT160246

基于Parzen窗的水下無線傳感器網(wǎng)絡(luò)目標(biāo)定位方法

doi: 10.11999/JEIT160246 cstr: 32379.14.JEIT160246

1.
(西北工業(yè)大學(xué)航海學(xué)院西安 710072) ②(空軍工程大學(xué)信息與導(dǎo)航學(xué)院西安 710077)

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61531015, 61501374, 61401499)，國(guó)家重點(diǎn)實(shí)驗(yàn)室基金(9140C230310150C23102)

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- 文章訪問數(shù): 1527
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2016-03-17
- 修回日期: 2016-08-18
- 刊出日期: 2017-01-19

Target Localization Method Based on Parzen Window in Underwater Wireless Sensor Network

1.
(School of Marine Science and Technology, Northwestern Polytechnical University, Xi&rsquo
2.
(School of Marine Science and Technology, Northwestern Polytechnical University, Xi&rsquo

Funds:

The National Natural Science Foundation of China (61531015, 61501374, 61401499), The National Laboratory Foundation of China (9140C230310150C23102)

摘要

摘要: 水聲通道復(fù)雜多變，使得水下無線傳感器網(wǎng)絡(luò)中節(jié)點(diǎn)出現(xiàn)失效的情況，影響了多節(jié)點(diǎn)的目標(biāo)定位性能。為解決這一問題，該文提出一種基于Parzen窗的方位交線定位方法。該方法利用Parzen窗分析所有交點(diǎn)的分布特征，估計(jì)目標(biāo)可能出現(xiàn)在某個(gè)位置的概率，將概率最大值對(duì)應(yīng)的點(diǎn)作為目標(biāo)的估計(jì)位置。由于概率分布是非線性、多峰值的，采用帶有慣性權(quán)重的粒子群算法去求解。仿真實(shí)驗(yàn)結(jié)果表明，所提方法能夠在節(jié)點(diǎn)失效的情況下獲得較高的目標(biāo)定位性能，具有較好的魯棒性。
- 水下無線傳感器網(wǎng)絡(luò) /
- 目標(biāo)定位 /
- 方位交線方法 /
- Parzen窗
Abstract: In Underwater Wireless Sensor Network (UWSN) the accuracy of target localization suffers from invalid anchors. To reduce the impact, an improved cross-bearing localization method is proposed based on the Parzen window. In this method, the probability of target location is estimated by the Parzen window according to the distribution characteristics of all intersection points, and the target location is selected as the point corresponding to the maximum value of probability. Because of the nonlinear and multi-peak features of the probability distribution, the standard particle swarm optimization method is adopted to solve the problem. Simulations indicate that the proposed method avoids effectively the influence of the invalid anchors on the performance of localization, and has better accuracy and robustness compared with other cross-bearing localization methods in the complex underwater environment.
- Underwater Wireless Sensor Network (UWSN) /
- Target localization /
- Cross-bearing method /
- Parzen window

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