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Comments on "On the Power Absorbed and Scattered by an Antenna"
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SYSNO ASEP 0366691 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Comments on "On the Power Absorbed and Scattered by an Antenna" Tvůrce(i) Schejbal, V. (CZ)
Fišer, Ondřej (UFA-U) RID, ORCID
Ondráček, O. (CZ)Zdroj.dok. IEEE Antennas and Propagation Magazine - ISSN 1045-9243
Roč. 53, č. 2 (2011), s. 172-174Poč.str. 3 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova Antennas ; antenna theory ; receiving antennas ; electromagnetic scattering ; antenna scattering Vědní obor RIV JA - Elektronika a optoelektronika, elektrotechnika CEZ AV0Z30420517 - UFA-U, BC-A (2005-2011) UT WOS 000300358000017 DOI 10.1109/MAP.2011.5949355 Anotace In a very interesting recent paper, Dr. Steyskal studied the power absorbed and scattered by an antenna. His comment on the total field in the forward direction could be considered from a slightly more general point of view. According to, the for ward scattering could be considered as a shadow radiation, which does not depend on the whole shape of the scattering object, and is completely determined by the size and the geometry of the shadow contour. Its power equals the total power incident on a scattering object, and it does not depend on the reflection coefficients. This quantity can be considered to be the diffraction limit of the reduc tion of scattering by application of absorbing coatings on a scat tering object. That actually means that the shadow radiation con tains a component in the form of the edge waves diverging from the shadow contour. Pracoviště Ústav fyziky atmosféry Kontakt Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Rok sběru 2013
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