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2011-01-05
Effects of Random Errors Upon Effective Permittivity of a Composite Containing Short Needles
By
Progress In Electromagnetics Research M, Vol. 16, 117-131, 2011
Abstract
A composite medium containing perfectly conducting short needles can have a range of frequency for which the real part of the effective permittivity of the composite is negative. Such a range of frequency can be taken as negative bandwidth. This negative bandwidth for a composite medium is dependent upon parameters like positioning, orientation, length and needle density of short needles. Effects of random errors in positioning and orientation of short needles upon the ensemble averaged effective permittivity are analyzed. It is studied theoretically that increasing error in positioning and orientation of short needles reduces negative bandwidth.
Citation
Zeshan Akbar Awan, and Azhar Abbas Rizvi, "Effects of Random Errors Upon Effective Permittivity of a Composite Containing Short Needles," Progress In Electromagnetics Research M, Vol. 16, 117-131, 2011.
doi:10.2528/PIERM10100308
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