自適應(yīng)采樣間隔的無線傳感器網(wǎng)絡(luò)多目標(biāo)跟蹤算法
[Abstract]:Multi-target tracking is a hot issue in wireless sensor networks. In order to solve the problems of high energy consumption and tracking loss in multi-target tracking, an adaptive sampling interval multi-target tracking algorithm is proposed. The positioning metadata of tracking target is used to model the motion mode of the target. Based on the extended Kalman filter to predict the state of the tracking target, the probability density function of predicting the target location is used to construct the tracking cluster. By defining the tracking target center, the election process of the main node MN is quantified based on Mahalanobis distance. The influence intensity of the target is quantified by tracking the importance of the target and the distance between it and MN, and a multi-target tracking algorithm with adaptive sampling interval is constructed. The simulation results based on MATLAB show that the tracking algorithm designed in this paper can accurately predict the trajectory of the target and can adopt adaptive sampling interval in real time with the state of the moving target. Through data analysis, it is found that the algorithm proposed in this paper can improve the tracking accuracy on the basis of energy saving of WSN network.
【作者單位】: 河南科技學(xué)院信息工程學(xué)院;武漢理工大學(xué)信息工程學(xué)院;
【基金】:國(guó)家自然科學(xué)基金資助項(xiàng)目(31371525) 河南省教育廳科學(xué)技術(shù)研究重點(diǎn)資助項(xiàng)目(14A520067) 河南省教育廳人文社會(huì)科學(xué)研究資助項(xiàng)目(2014-gh-245) 河南省信息技術(shù)教育研究重點(diǎn)資助項(xiàng)目(ITE12037) 2014年度新鄉(xiāng)市科技發(fā)展計(jì)劃資助項(xiàng)目(14GY23) 2014年度河南科技學(xué)院教育教學(xué)改革研究重點(diǎn)資助項(xiàng)目(2014PUZD08)
【分類號(hào)】:TP212.9;TN929.5
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