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New method for detection fusion of MAC based on DCM and NP rule 被引量:1

New method for detection fusion of MAC based on DCM and NP rule
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摘要 The problem of distributed detection fusion using multiple sensors for remote underwater target detection is studied. Considering that multiple access channel (MAC) schemes are able to offer high efficiency in bandwidth usage and consume less energy than the parallel access channel (PAC), the MAC scheme is introduced into the underwater target detection field. The model of underwater distributed detection fusion based on MAC schemes is established. A new method for detection fusion of MAC based on deflection coefficient maximization (DCM) and Neyman-Pearson (NP) rule is proposed. Under the power constraint of local sensors, this paper uses the DCM theory to derive the optimal weight coefficients and offsets. The closed-form expressions of detection probability and false alarm probability for fusion systems are obtained. The optimal detection performance of fusion systems is analyzed and deeply researched. Both the theory analysis and simulation experiments indicate that the proposed method could improve the detection performance and decrease the error probability effectively under power constraints of local sensors and low signal to noise ratio. The problem of distributed detection fusion using multiple sensors for remote underwater target detection is studied. Considering that multiple access channel (MAC) schemes are able to offer high efficiency in bandwidth usage and consume less energy than the parallel access channel (PAC), the MAC scheme is introduced into the underwater target detection field. The model of underwater distributed detection fusion based on MAC schemes is established. A new method for detection fusion of MAC based on deflection coefficient maximization (DCM) and Neyman-Pearson (NP) rule is proposed. Under the power constraint of local sensors, this paper uses the DCM theory to derive the optimal weight coefficients and offsets. The closed-form expressions of detection probability and false alarm probability for fusion systems are obtained. The optimal detection performance of fusion systems is analyzed and deeply researched. Both the theory analysis and simulation experiments indicate that the proposed method could improve the detection performance and decrease the error probability effectively under power constraints of local sensors and low signal to noise ratio.
出处 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2012年第4期612-617,共6页 系统工程与电子技术(英文版)
基金 supported by the National Natural Science Foundation of China (60972152) Northwestern Polytechnical University Foun dations for Fundamental Research (JC201027 JC20100223)
关键词 deflection coefficient maximization (DCM) multipleaccess channel (MAC) Neyman-Pearson (NP) rule detection fusion target detection. deflection coefficient maximization (DCM), multipleaccess channel (MAC), Neyman-Pearson (NP) rule, detection fusion, target detection.
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同被引文献21

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