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Aperture Field Bounds for an Azimuthally Symmetric Slotted Cylinder
Author(s) -
Mayhan Joseph T.
Publication year - 1969
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs004i011p01061
Subject(s) - aperture (computer memory) , wedge (geometry) , cylinder , optics , physics , excitation , near and far field , electric field , effective radiated power , mathematics , geometry , radiation , acoustics , quantum mechanics
The problem of specifying the minimum magnitude of the maximum electric field over an azimuthally symmetric slotted cylinder subject to the constraint of a specified radiated power into a given wedge angle is treated. Aperture bounds are presented for both the TE, TM and the general TE/TM excitation of the slot. The degree to which these bounds are attainable is discussed, and their relationship to uniform illumination of the aperture is examined. The problem of synthesizing a specified field pattern over the given angle is also treated.
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