Bird feathers as dielectric rod antennas

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TypeTechnical Report
Series titleERB; no. ERB-845
Physical description16 p.
AbstractUsing 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.
Publication date
PublisherNational Research Council of Canada, Radio and Electrical Engineering Division
AffiliationNational Research Council Canada
Peer reviewedNo
NPARC number21276290
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Record identifier2f898a75-368a-43bf-ac28-308310daa46a
Record created2015-09-29
Record modified2016-10-03
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