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Experimental Shielding Effectiveness Study of Metal Enclosure with Electromagnetic Absorber Inside

In this paper, the impact of an electromagnetic absorber inside a protective metal enclosure is analyzed. The absorber is put inside the enclosure in order to improve its shielding effectiveness, especially at the first resonant frequency. Different absorber's sheet positions inside the enclosure are analyzed. The absorber sheet dimensions are fitted to correspond the enclosure's walls. The experimental procedure is conducted in a semianechoic room. The numerical TLM simulations of the EM filed distribution inside enclosure are conducted in order to consider position of the absorber sheet on different walls.

Absorber ; Enclosure ; EMI absorber sheet ; Measurements ; Shielding Effectiveness ; TLM method

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