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In order to improve the QoS performance of traditional data fusion scheme which generally only consider the energy consuming problem and network lifetime, in this paper, we propose a model of wireless sensor network under delay constraint. In this model, we prove that optimizing power in WSN can be regarded as the NP problem. So we present the optimal data fusion scheme BSPT algorithm under QoS constraint...
High-voltage circuit breakers are important electrical equipments which play the role of protection and control in the power network. In order to make the power system operate in a stable and reliable way, it is of great significance to make online fault diagnosis of High-voltage circuit breakers. In this paper, the improved D-S evidence theory for data fusion method was studied and used in high-voltage...
To deal with the problem of obtaining the status of temperature and humidity in industrial environment, this paper proposes a fuzzy set-based approach for multi-sensors data of temperature and humidity fusion. Firstly, the hardware architecture of temperature and humidity monitor system is presented. Then, based on fuzzy set theory, the paper describes the fuzzy synthetic evaluation model and proposes...
In this paper, wavelet based data fusion algorithm is presented. Multiple sensors are used to measure the same physical quantity at the same time. The measurement results are transformed by discrete wavelet transform. Multiple sensors measurement values at the different wavelet scale are fused. The true value of the physical quantity estimated is got through the inverse wavelet transform. From the...
According to the property of highly spectrum detection performance, a novel spectrum detection algorithm based on data fusion was presented. In this paper, the expression of log-likelihood ratio function about received data in fusion center and the number of secondary users confirmed that primary users being was studied firstly. The secondary users' number was referred ahead including tow parts, one...
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