In this paper, practical aspects of a newly proposed method based on the aperture impedance for estimation and measurement of the shielding effectiveness (SE) of enclosures will be discussed in more details. A special de-embedding procedure for this measurement is explained and practically implemented. Then, in order to show the capability of the method, we applied it to a remarkably small dimension enclosure with an aperture as well as to an enclosure with a triangular shape aperture. These case studies confirm the practicality of the new method for enclosures with extremely small dimension and those with arbitrary shape apertures.

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