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Target Tracking Based on Wireless Sensor Network

Author: LiuChang
Tutor: ChenYunQiu
School: China Ship Research Institute
Course: Computer Software and Theory
Keywords: Wireless sensor networks Time Synchronization Target tracking Recovery mechanism System architecture
CLC: TP212.9
Type: Master's thesis
Year: 2011
Downloads: 57
Quote: 0
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Abstract


In the military field , reliable , accurate tracking of the target , a long time has always been one of the main purpose of intelligence reconnaissance system . Wireless sensor network research originated in the military field , with its miniaturized terminal detection function as well as the characteristics of ad hoc networks , and thus more and more obvious advantages in target tracking applications , wireless sensor network - based target tracking by wireless sensor the collaboration between the target positioning sensor nodes to master the target speed , position , movement trajectory information in the military field has a high and wide practical application value . Most target tracking in wireless sensor network design are based Ideally designed not consider some of the harsh environment , as well as the special case when the combat , therefore , may be able to achieve high accuracy tracking effect , but ignored consider the system as a whole , energy utilization rate is not high , can not continue to use the special environment of a nuclear radiation , can not achieve the desired results and the actual military applications . In this paper, the special environment of the South China Sea, border defense , network architecture , time synchronization mechanism , and target tracking three whole study , and has been improved to make it more suitable for our special environment . So , in the past, the classic architecture based on the use of remote communication meteor trail , so that the situation of the nuclear radiation , magnetic storms , flares , auroras can still telecommunications ; sync on at the time , the use of the route initialization hierarchy and target tracking data is generated when the transmission characteristics of the existing TPSN time synchronization algorithm for simplified, so that less energy consumption , allows the system to survive longer ; target tracking application layer for based on precise positioning under the model of clustering WSN target tracking algorithm using the distributed Bayesian estimation to improve the prediction mechanism on the cluster head node , and tracking failure recovery tracking mechanism . Finally, build a simulation platform , the simulation and detailed results of the comparative analysis of the improved algorithm , seen from the simulation results , the improved algorithm in target tracking accuracy , energy consumption is better than the original algorithm .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Transmitter ( converter),the sensor > Sensor applications
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