1 预备工作
1.1 线性鲁棒检测函数
1.2 平方鲁棒检测函数
2 确定性信号下的平方鲁棒分布式系统
(3σ4+6θ2σ2+θ4)Φ -σ[y(y2+3σ2)+ 4θ(y2+2σ2)+6θ2y+4θ3]ϕ }|
Command Control and Simulation >
Asymptotic and Robust Decentralized Hypothesis Testing
Received date: 2021-02-23
Revised date: 2021-03-29
Online published: 2021-06-10
The paper considers the problem of robust decentralized hypothesis testing with asymptotically multiple sensors, where each sensor collects one observation. The observations obey the signal selection model with deterministic signal. It obtains the robust test function through the ε-contaminated classes, and each sensor uses the test function to make a local decision, and transmits the decision to the fusion center. In the paper, it focuses on how each sensor makes decisions, and the paper uses the asymptotic relative efficiency to analyse the asymptotic performance of the decentralized structure with a robust detection function. Specifically, it makes the decentralized structure and the centralized structure reach the same performance level, the same false alarm and power rates, then compares the number of sensors required by the decentralized structure to the number of centralized structure. The result shows that the use of robust test function can improve the performance of the decentralized structure.
LIU Ying , GU Ju-ping , NIU Dun-biao , CAO Zhu-jun , SONG En-bin . Asymptotic and Robust Decentralized Hypothesis Testing[J]. Command Control and Simulation, 2021 , 43(3) : 94 -101 . DOI: 10.3969/j.issn.1673-3819.2021.03.019
(3σ4+6θ2σ2+θ4)Φ -σ[y(y2+3σ2)+ 4θ(y2+2σ2)+6θ2y+4θ3]ϕ }| | [1] |
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