Scheme Research Of Multi-sensor Network's Node Location Technology

Facing modern war, fighting style changing and the perception of the battlefielddetermines the success or failure of war. Multi-sensor network detection system is mportantmeans of investigation and monitoring of battlefield , detection and identification targets.Position information of multi-sensor network is crucial, WSN nodes positioning problem isdivided into two kinds: one kind is the sensor node itself location of sensor network t, Anotherkind is the sensor networks tracking external target. The former is the base to realize the targettracking. This paper studies the sensor node itself positioning of multisensor network ,whichcan produce positive effects of technical support on multisensor network detection system,have important practical significance of the actual application.This paper firstly studuy the common location methods:TOA,TDOA,AOA and gpssingle point position. according to the characteristics of localization methods and the requireof this topic choose the suitable methods.Secondly, respectively study location model, localization algorithm and localization errorof the suitable location methods and simulation according to the requirements of the task.According to the simulation results analyze localization method applicability in this subject.Finally, compare the simulation results of localization methods and select the bestscheme of this topic.With the development of science technology, the orientation theory will be constantlyperfecting and multi-sensor network node location accuracy will improve, multis-ensornetwork system will have very good application prospects.