Bird feathers as dielectric rod antennas

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.4224/21276290
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  1. National Research Council of Canada
FormatText, Technical Report
Series titleReport (National Research Council of Canada. Radio and Electrical Engineering Division : ERB); no. ERB-845
Physical description16 p.
Abstract
Using approximations for the equivalent circuit parameters of a small loss dielectric post in a wave-guide, the dielectric constant and loss tangent of bird feather quills are determined from measurements at 9.3 GHz. From an average relative dielectric constant of about 2.0, it is predicted that a typical chicken quill may be excited as an end fire dielectric rod antenna in the frequency range 30-60 GHz. Results for geese and pigeons are also included.
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PublisherNational Research Council of Canada. Radio and Electrical Engineering Division
LanguageEnglish
NPARC number21276290
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Record identifier2f898a75-368a-43bf-ac28-308310daa46a
Record created2015-09-29
Record modified2020-06-02
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