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基于压缩感知的稀疏事件检测 被引量:12

Sparse Event Detection Based on Compressive Sensing
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摘要 为了提高无线传感器网络中稀疏事件的检测概率,利用压缩感知技术,提出了一种改进的下降迭代检测算法.该算法通过动态调节参数,改变迭代权值,加快了算法收敛速度.实验结果表明:在相同条件下,改进算法的成功检测概率比贝叶斯算法平均提高了13%. In the wireless sensor networks,to improve detection probability,a modified descent iterative algorithm is proposed based on compressive sensing,which could adjust the parameter dynamically,and then change the value of weight.As a result,the speed of algorithm′s convergence can be accelerated.Experimental results show that,other things being equal,comparing with the bayesion algorithm,the detection probability of modified descent iterative algorithm is improved averagely by 13%.
作者 朱翠涛 瞿毅
出处 《中南民族大学学报(自然科学版)》 CAS 2011年第1期80-83,共4页 Journal of South-Central University for Nationalities:Natural Science Edition
基金 国家自然科学基金资助项目(61072075)
关键词 压缩感知 稀疏事件检测 无线传感器网络 compressive sensing sparse event detection wireless sensor networks
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参考文献7

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二级参考文献8

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同被引文献102

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