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  • 标题:New gradient methods for sensor selection problems
  • 本地全文:下载
  • 作者:De Zhang ; Mingqiang Li ; Feng Zhang
  • 期刊名称:International Journal of Distributed Sensor Networks
  • 印刷版ISSN:1550-1329
  • 电子版ISSN:1550-1477
  • 出版年度:2019
  • 卷号:15
  • 期号:3
  • 页码:1
  • DOI:10.1177/1550147719839642
  • 出版社:Hindawi Publishing Corporation
  • 摘要:In this article, we consider the sensor selection problem of choosing [Formula: see text] sensors from a set of [Formula: see text] possible sensor measurements. The sensor selection problem is a combinational optimization problem. Evaluating the performance for each possible combination is impractical unless [Formula: see text] and [Formula: see text] are small. We relax the original selection problem to be a convex optimization problem and describe a projected gradient method with Barzilai–Borwein step size to solve the proposed relaxed problem. Numerical results demonstrate that the proposed algorithm converges faster than some classical algorithms. The solution obtained by the proposed algorithm is closer to the truth.
  • 关键词:Sensor selection problem; projected gradient method; Barzilai–Borwein step size
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