Discussion on Key Technologies and Methods in Evaluation of Electromagnetic Shielded Enclosure
The electromagnetic shielded enclosure can effectively shield external electromagnetic interference to ensure the security of sensitive information and the reliable operation of sensitive equipment.The evaluation of electromagnetic shielded enclosure aims to comprehensively evaluate the performance of electromagnetic shielded enclosure,which mainly includes two aspects:shielding effect evaluation and internal equipment protection performance evaluation.By clarifying the protection requirements of different levels of equipment and information,the hierarchical protection evaluation establishes scientific evaluation standards and methods to ensure the scientificity and objectivity of the evaluation work,and provides a scientific basis for the design,construction and use of electromagnetic shielded enclosure.In this paper,the evaluation technology of electromagnetic shielded enclosure and the hierarchical protection evaluation system are sorted out and compared,aiming to provide reference and suggestions for the correct selection of appropriate standards in the actual measurement and determination of shielded enclosure grades.
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