An experimental setup for investigating the immunity of computer equipment to the power line electromagnetic interference has been developed. The results of quantitative investigations of the perfor mance of the computer equipment subjected to the action of nanosecond and microsecond electromagnetic pulses propagated through the power line as well as the results of investigations of the efficiency of external devices for protecting the computer equipment from the action of electromagnetic pulses propagated through the power line are presented.
Multiobjective radiotherapy planning aims to capture all clinically relevant trade-offs between the various planning goals. This is accomplished by calculating a representative set of Pareto optimal solutions and storing them in a database. The structure of these representative Pareto sets is still not fully investigated. We propose two methods for a systematic analysis of multiobjective databases: principal component analysis and the isomap method. Both methods are able to extract the key trade-offs from a database and provide information which can lead to a better understanding of the clinical case and intensity-modulated radiation therapy planning in general.
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