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Vectorial analysis for polarization effect of wavelength-flattened fiber-optic couplers

✍ Scribed by Tzong-Lin Wu

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
170 KB
Volume
23
Category
Article
ISSN
0895-2477

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✦ Synopsis

Transmission coefficients over construction obstacles have been measured with normal incidence in the 5.8 GHz frequency band. It has been shown that, for some materials, this coefficient depends on the polarization, on the frequency, and on the material sample considered. So, obtaining the transmission coefficient just for a single frequency from a single material sample, as has been done previously in the w x literature 7᎐9 , may yield inaccurate results. Due to these variations, an accurate characterization of the transmission coefficient can only be achieved if a confidence interval as a function of frequency is given.

Indoor radio-planning tools should take into account the polarization and frequency variations of the coefficient. They should also consider that, sometimes, for a given material, frequency, and polarization, the coefficient depends on the specific sample, so there is not a single value, but a range of values of the transmission coefficient.

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