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Statistical properties of electromagnetic environment in wireless networks affecting its performance and safety are studied. A statistical method to evaluate risks to the general public due to electromagnetic radiation in wireless networks as well as their performance is proposed. The analysis is based on the standard propagation channel model, a Poisson model of random spatial distribution of transmitters,...
Uncertainties are integral part of Probabilistic Safety Assessment (PSA) and arising from incomplete knowledge, simplified assumptions/idealization in modeling complex process/phenomena and unpredictable variation in performance of the system under study. Uncertainties influence the decision making process and help to determine whether robust decision can be made or more information is needed first...
By using resampling methods this article processed the data of the four existing airlines safety Circumstances into 20 airlines, which were generated randomly and analog ground by using the Mat lab software. Then, we conducted analysis and calculation by using the method of factor analysis in the SPSS software based on the data from the 20 airlines, and made safety evaluation on the safety risk of...
After presenting a global process of EMC (ElectroMagnetic Compatibility) physics and risk analysis, this paper deals with the specific failure mode of radiated high frequencies. For realistic complex systems with partial unavailability of the data, peak amplitude frequency and observable spatial localisation sensibility, we detail the advantages of four main types of statistical results. The potential...
Within this paper, the process of statistical safety analysis has been presented, which involves the following steps: formulation of basic principles of statistical safety analysis, initial events analysis, accident sceneries progress analysis, risk calculation, and risk calculation results analysis. On this basis, it has been concluded that the bucket wheel excavator SRs 1200×24/4×0(400 kW)+VR safety...
Starting with the theory and research status on the information security risk assessment, this paper puts forward information security risk evaluation method based on analytic hierarchy process and fuzzy comprehensive evaluation, and solves the difficulty of the qualitative index and quantitative evaluation in the risk assessment process. Finally, it gives examples to prove that this method can be...
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